A tap (also spigot or faucet : see usage variations ) is a valve controlling the release of a fluid .
122-417: Water for baths, sinks and basins can be provided by separate hot and cold taps; this arrangement is common in older installations, particularly in public washrooms/lavatories and utility rooms/laundries. In kitchens and bathrooms, mixer taps are commonly used. In this case, hot and cold water from the two valves is mixed before reaching the outlet, allowing the water to emerge at any temperature between that of
244-565: A keg , whether gravity feed or pressurized. A gas tap is a specific form of ball valve used in residential, commercial, and laboratory applications for coarse control of the release of fuel gases (such as natural gas , coal gas , and syngas ). Like all ball valves its handle will parallel the gas line when open and be perpendicular when closed, making for easy visual identification of its status. Water and gas taps have adjustable flow: gate valves are more progressive; ball valves more coarse, typically used in on-off applications. Turning
366-536: A vacuum breaker or backflow preventer , so that water cannot return through the spigot from the hose . This prevents contamination of the building or public water system should there be a pressure drop. In the UK, water regulations require a double check valve ; this is often incorporated within the body of the tap itself. The American Society of Mechanical Engineers (ASME) publishes several Standards on plumbing. Some are: Saint John, New Brunswick Saint John
488-749: A built-in thermostat , and can be mechanical or electronic. There are also taps with color LEDs to show the temperature of the water. When two pipes are installed, the hot tap generally has a red indicator while the cold tap generally has a blue or green indicator. In the United States, the taps are frequently also labeled with an "H" or "C". In countries with Romance languages , the letters "C" for hot and "F" for cold are used (from French "chaud"/Italian "caldo"/Spanish "caliente" (hot) and French "froid"/Italian "freddo"/Spanish "frio" (cold)). Portuguese would use Q (for "quente", hot) and F. This can create confusion for English-speaking visitors. Mixer taps may have
610-499: A centre for immigration from all over the world. The city was incorporated in the late 1700s after more than 3,300 Black Loyalist refugees came to Saint John along with more than 10,000 White refugees after the American Revolution. In the years between 1815 and 1867, when immigration of that era passed its peak, more than 150,000 immigrants from Ireland came to Saint John dramatically changing the city. Those who came in
732-666: A crucial role in trade and defense for Acadia during the French colonial era, with Fort La Tour in the city's harbour becoming a pivotal battleground during the Acadian Civil War . At the end of the Seven Years' War , the British took the region from the French. The population of Saint John grew with immigration from the former Thirteen Colonies and Europe. In 1785, Saint John became the first incorporated city in what
854-481: A density 0.5539 times that of air (0.678 kg per standard cubic meter). In the early 1800s, natural gas became known as "natural" to distinguish it from the dominant gas fuel at the time, coal gas . Unlike coal gas, which is manufactured by heating coal, natural gas can be extracted from the ground in its native gaseous form. When the use of natural gas overtook the use of coal gas in English speaking countries in
976-476: A given year is usually 30 or 31 °C (86 or 88 °F). The confluence of cold Bay of Fundy air and inland warmer temperatures often creates onshore winds that bring periods of fog and cooler temperatures during the summer months. Precipitation in Saint John totals about 1,295 mm (51.0 in) annually and is well distributed throughout the year, although the late autumn and early winter are typically
1098-566: A high school diploma or equivalent. The median age was 44 years. At the census metropolitan area (CMA) level in the 2021 census, the Saint John CMA had a population of 130,613 living in 55,865 of its 59,272 total private dwellings, a change of 3.5% from its 2016 population of 126,202 . With a land area of 3,505.66 km (1,353.54 sq mi), it had a population density of 37.3/km (96.5/sq mi) in 2021. Historically, as one of Canada's main ports, Saint John has been
1220-421: A major source of natural gas in the United States and Canada. Because of increased shale gas production the United States was in 2014 the number one natural gas producer in the world. The production of shale gas in the United States has been described as a "shale gas revolution" and as "one of the landmark events in the 21st century." Following the increased production in the United States, shale gas exploration
1342-449: A mother tongue. Other common first languages were French (3.7%), Arabic (1.5%) Chinese languages (1.0%) and Tagalog (0.5%). 58.5% of residents were Christian, down from 79.6% in 2011. 29.7% were Catholic, 20.6% were Protestant, 5.1% were Christian n.o.s, and 3.0% were other Christian denominations or related traditions. 36.0% of the population were non-religious or secular, up from 18.4% in 2011. Other religions accounted for 5.5% of
SECTION 10
#17327919328181464-558: A multitude of architectural styles spanning from the 19th and early 20th centuries, with residences and buildings containing Victorian , Romanesque Revival , and Second Empire architectural styles. Over time, the city would see the use of Georgian , Greek Revival , Gothic Revival , Italianate , Second Empire and Queen Anne style architecture. As Saint John rebuilt from the Great Fire in 1877, buildings would start to be constructed using brick and stone rather than wood. During
1586-513: A population of 69,895 people that were living in 31,825 of 33,908 total private dwellings. The population density was 221.5 inhabitants per square kilometre (573.7/sq mi), and is most densely populated in Uptown Saint John. The median total household income was $ 62,800. Of the city's population aged between 25 and 64, 24% held a bachelor's degree or higher, 58% held a postsecondary certificate, diploma or degree, and 32% had
1708-456: A red-blue stripe or arrows indicating which side will give hot and which cold. In most countries, there is a standard arrangement of hot/cold taps. For example, in the United States and many other countries, the hot tap is on the left by building code requirements. Many installations exist where this standard has been ignored (called "crossed connections" by plumbers). Mis-assembly of some single-valve mixer taps will exchange hot and cold even if
1830-438: A removable key called a "loose key", "water key", or " sillcock key ", which has a square peg and a square-ended key to turn off and on the water; the "loose key" can be removed to prevent vandals from turning on the water. Before the "loose key" was invented it was common for some landlords or caretakers to take off the handle of a tap, which had teeth that would meet up with the gears on the valve shaft. This tooth and cog system
1952-567: A series of rapids. The topography surrounding Saint John is hilly; a result of the influence of two coastal mountain ranges which run along the Bay of Fundy – the St. Croix Highlands and the Caledonia Highlands . The soil throughout the region is extremely rocky with frequent granite outcrops. The coastal plain hosts numerous freshwater lakes in the eastern, western and northern parts of
2074-542: A synthetic crude that can be further refined into finished products, while MTG can produce synthetic gasoline from natural gas. STG+ can produce drop-in gasoline, diesel, jet fuel and aromatic chemicals directly from natural gas via a single-loop process. In 2011, Royal Dutch Shell's 140,000 barrels (22,000 m ) per day F–T plant went into operation in Qatar . Natural gas can be "associated" (found in oil fields ), or "non-associated" (isolated in natural gas fields ), and
2196-534: A tissue paper plant. Other important economic activity in the city is generated by the Port of Saint John . Saint John has a long history of brewers, such as Simeon Jones, The Olands, and James Ready. The city is now home to Moosehead Breweries, James Ready Brewing Co., Big Tide Brewing Co., Picaroon's and other craft brewers. The Moosehead Brewery (established in 1867, is Canada's only nationally distributed independent brewery [M. Nicholson]), James Ready Brewing Co.,
2318-402: A valve knob or lever adjusts flow by varying the aperture of the control device in the valve assembly. The result when opened in any degree is a choked flow . Its rate is independent of the viscosity or temperature of the fluid or gas in the pipe, and depends only weakly on the supply pressure , so that flow rate is stable at a given setting. At intermediate flow settings the pressure at
2440-453: Is humid continental ( Köppen climate classification Dfb ). The Bay of Fundy never fully freezes, thus moderating the winter temperatures compared with inland locations. Even so, with the prevailing wind blowing from the west (from land to sea), the average January temperature is about −8.2 °C (17.2 °F). Summers are usually warm to hot, and daytime temperatures often exceed 25 °C (77 °F). The highest temperature recorded in
2562-560: Is a seaport city located on the Bay of Fundy in the province of New Brunswick , Canada. It is Canada's oldest incorporated city, established by royal charter on May 18, 1785, during the reign of George III . The port is Canada's third-largest by tonnage with a cargo base that includes dry and liquid bulk, break bulk , containers, and cruise. The city has a strong industrial base, including oil refining and manufacturing, matched with finance and tourism sectors and research institutions such as
SECTION 20
#17327919328182684-493: Is a flammable gaseous fuel made by the destructive distillation of coal . It contains a variety of calorific gases including hydrogen , carbon monoxide , methane , and other volatile hydrocarbons , together with small quantities of non-calorific gases such as carbon dioxide and nitrogen , and was used in a similar way to natural gas. This is a historical technology and is not usually economically competitive with other sources of fuel gas today. Most town "gashouses" located in
2806-458: Is a schematic block flow diagram of a typical natural gas processing plant. It shows the various unit processes used to convert raw natural gas into sales gas pipelined to the end user markets. The block flow diagram also shows how processing of the raw natural gas yields byproduct sulfur, byproduct ethane, and natural gas liquids (NGL) propane, butanes and natural gasoline (denoted as pentanes +). As of mid-2020, natural gas production in
2928-399: Is also found in coal beds (as coalbed methane ). It sometimes contains a significant amount of ethane , propane , butane , and pentane —heavier hydrocarbons removed for commercial use prior to the methane being sold as a consumer fuel or chemical plant feedstock. Non-hydrocarbons such as carbon dioxide , nitrogen , helium (rarely), and hydrogen sulfide must also be removed before
3050-543: Is also home to Rockwood Park , a large municipal park located to the east of the Millidgeville neighbourhood. Designed in the 19th century by landscape designer Calvert Vaux , one of the designers for New York City 's Central Park , It features 2,200 acres of park area, ten lakes, and 55 trails and footpaths. According to Saint John mapping data, the city has 33 neighborhoods categorized into four groups: North, East, South and West. The climate of Saint John
3172-628: Is beginning in countries such as Poland, China, and South Africa. Chinese geologists have identified the Sichuan Basin as a promising target for shale gas drilling, because of the similarity of shales to those that have proven productive in the United States. Production from the Wei-201 well is between 10,000 and 20,000 m per day. In late 2020, China National Petroleum Corporation claimed daily production of 20 million cubic meters of gas from its Changning-Weiyuan demonstration zone. Town gas
3294-556: Is colorless and odorless, and the second largest greenhouse gas contributor to global climate change after carbon dioxide. Because natural gas is odorless, odorizers such as mercaptan (which smells like rotten eggs ) are commonly added to it for safety so that leaks can be readily detected. Natural gas is a fossil fuel that is formed when layers of organic matter (primarily marine microorganisms) decompose under anaerobic conditions and are subjected to intense heat and pressure underground over millions of years. The energy that
3416-537: Is estimated to have 51,000 cubic kilometers (12,000 cu mi) of natural gas and 50 billion barrels (7.9 billion cubic meters) of natural gas condensates . Because natural gas is not a pure product, as the reservoir pressure drops when non-associated gas is extracted from a field under supercritical (pressure/temperature) conditions, the higher molecular weight components may partially condense upon isothermic depressurizing—an effect called retrograde condensation . The liquid thus formed may get trapped as
3538-694: Is heated and compressed deep underground. Methanogenic organisms produce methane from a variety of sources, principally carbon dioxide. During petroleum production, natural gas is sometimes flared rather than being collected and used. Before natural gas can be burned as a fuel or used in manufacturing processes, it almost always has to be processed to remove impurities such as water. The byproducts of this processing include ethane , propane , butanes , pentanes , and higher molecular weight hydrocarbons. Hydrogen sulfide (which may be converted into pure sulfur ), carbon dioxide , water vapor , and sometimes helium and nitrogen must also be removed. Natural gas
3660-646: Is home to the Saint John Sea Dogs of the QMJHL. Art galleries in Saint John cover the uptown, more than any other Atlantic Canadian city. Artists like Miller Brittain and Fred Ross have made Uptown Saint John their home, and now the torch has been passed to artists like Gerard Collins, Cliff Turner and Peter Salmon and their respective galleries. Uptown art galleries also include the Paris Crew, Trinity Galleries, Citadel Gallery, Handworks Gallery and
3782-415: Is little resistance to flow when the tap is fully open, but this type of tap rarely gives a perfect seal when closed. In the UK this type of tap normally has a wheel-shaped handle rather than a crutch or capstan handle. Cone valves or ball valves are another alternative. These are commonly found as the service shut-off valves in more-expensive water systems and usually found in gas taps (and, incidentally,
Tap (valve) - Misplaced Pages Continue
3904-403: Is natural gas produced from shale . Because shale's matrix permeability is too low to allow gas to flow in economical quantities, shale gas wells depend on fractures to allow the gas to flow. Early shale gas wells depended on natural fractures through which gas flowed; almost all shale gas wells today require fractures artificially created by hydraulic fracturing . Since 2000, shale gas has become
4026-534: Is now Canada. Immigration led to the building of North America's first quarantine station, Partridge Island . The city became a shipyard of global stature, producing vessels such as the 1851 ship Marco Polo , which became the fastest in the world, and witnessing the development of the automated foghorn by Robert Foulis . As the city grew in strategic importance to English power and capital, unrest grew among many of its working class. Black Saint Johners faced restrictions on trade, fishing and voting, compelling
4148-406: Is often stored underground [references about geological storage needed]inside depleted gas reservoirs from previous gas wells, salt domes , or in tanks as liquefied natural gas. The gas is injected in a time of low demand and extracted when demand picks up. Storage nearby end users helps to meet volatile demands, but such storage may not always be practicable. With 15 countries accounting for 84% of
4270-452: Is preparing to export natural gas. Floating liquefied natural gas (FLNG) is an innovative technology designed to enable the development of offshore gas resources that would otherwise remain untapped due to environmental or economic factors which currently make them impractical to develop via a land-based LNG operation. FLNG technology also provides a number of environmental and economic advantages: Many gas and oil companies are considering
4392-548: Is primarily dependent on proximity to markets (pipelines), and regulatory restrictions. Natural gas can be indirectly exported through the absorption in other physical output. The expansion of shale gas production in the US has caused prices to drop relative to other countries. This has caused a boom in energy intensive manufacturing sector exports, whereby the average dollar unit of US manufacturing exports has almost tripled its energy content between 1996 and 2012. A "master gas system"
4514-429: Is primarily used in the northern hemisphere. North America and Europe are major consumers. Often well head gases require removal of various hydrocarbon molecules contained within the gas. Some of these gases include heptane , pentane , propane and other hydrocarbons with molecular weights above methane ( CH 4 ). The natural gas transmission lines extend to the natural gas processing plant or unit which removes
4636-715: Is required the entire interior of the valve is usually replaced, often as a single pre-assembled cartridge . Of three manufacturers in North America, Moen and American Standard use cartridges (Moen's being O-ring based, American Standard's being ceramic), while Delta uses rubber seats facing the cartridges. Each design has its advantages: Moen cartridges tend to be easiest to find, American Standard cartridges have nearly infinite lifespan in sediment-free municipal water, and Delta's rubber seats tend to be most forgiving of sediment in well water. Most US jurisdictions now require hose spigots, hosebibbs, and wall hydrants to have
4758-526: Is scheduled to receive 190,680 passengers' worth of cruise ships. The port also carries over 20 million metric tonnes of cargo annually. The arts and culture sector plays a large role in Saint John's economy. The Imperial Theatre is home to the highly acclaimed Saint John Theatre Company, and the Symphony New Brunswick and hosts a large collection of plays, concerts and other stage productions year-round. Harbour Station entertainment complex
4880-653: Is sometimes informally referred to simply as "gas", especially when it is being compared to other energy sources, such as oil, coal or renewables. However, it is not to be confused with gasoline , which is also shortened in colloquial usage to "gas", especially in North America. Natural gas is measured in standard cubic meters or standard cubic feet . The density compared to air ranges from 0.58 (16.8 g/mole, 0.71 kg per standard cubic meter) to as high as 0.79 (22.9 g/mole, 0.97 kg per scm), but generally less than 0.64 (18.5 g/mole, 0.78 kg per scm). For comparison, pure methane (16.0425 g/mole) has
5002-461: Is still used on most modern taps. "Loose keys" may also be found outside homes to prevent passers-by from using them. Taps are normally connected to the water supply by means of a "swivel tap connector", which is attached to the end of the water pipe using a soldered or compression fitting, and has a large nut to screw onto the threaded "tail" of the tap, which hangs down underneath the bath, basin or sink. A fibre washer (which expands when wet, aiding
Tap (valve) - Misplaced Pages Continue
5124-494: Is the largest port by volume in Eastern Canada, at about 28 million metric tonnes of cargo per year, including containers and bulk cargo . The city is the birthplace of several notable artists, actors and musicians, including Walter Pidgeon , Donald Sutherland , Louis B. Mayer , and Miller Brittain . What is considered the golden age of the Saint John arts community was during the post-war era from 1940 to 1970 when
5246-604: Is traded on a "dry gas" basis and is required to be commercially free from objectionable odours, materials, and dust or other solid or liquid matter, waxes, gums and gum forming constituents, which might damage or adversely affect operation of equipment downstream of the custody transfer point. LNG carrier ships transport liquefied natural gas (LNG) across oceans, while tank trucks can carry LNG or compressed natural gas (CNG) over shorter distances. Sea transport using CNG carrier ships that are now under development may be competitive with LNG transport in specific conditions. Gas
5368-409: Is transported at high pressure, typically above 200 bars (20,000 kPa; 2,900 psi). Compressors and decompression equipment are less capital intensive and may be economical in smaller unit sizes than liquefaction/regasification plants. Natural gas trucks and carriers may transport natural gas directly to end-users, or to distribution points such as pipelines. In the past, the natural gas which
5490-416: Is turned into liquid at a liquefaction plant, and is returned to gas form at regasification plant at the terminal . Shipborne regasification equipment is also used. LNG is the preferred form for long distance, high volume transportation of natural gas, whereas pipeline is preferred for transport for distances up to 4,000 km (2,500 mi) over land and approximately half that distance offshore. CNG
5612-637: The Bravery in the Field (1979), a short drama film by the National Film Board of Canada both set and filmed in the city which was nominated for an Academy Award for Best Live Action Short Film . Saint John is notably one of the filming locations for Children of a Lesser God (1986), a romance drama film that received five nominations at the 59th Academy Awards . Marlee Matlin , in her film debut, won Best Actress , making her not only
5734-609: The Canadian Navy . However, the Irving family closed the shipyard in 2003 and centralized in Halifax leaving the Saint John dry dock sitting idle. Ecological research on surrounding marine life of the Bay of Fundy and the Saint John and Kennebecasis Rivers is centred in the city. The University of New Brunswick's Marine Biology department in Saint John as well as local NGO's and the federal Department of Fisheries and Oceans heads
5856-545: The Imperial Theatre , as well as the former Admiral Beatty Hotel . King's Square's counterpart, Queen Square, is another urban park located a few blocks south from it. Queen Square features an annual outdoor farmers market which runs through the summer months. Located in west Saint John is the Irving Nature Park , located in the city's west side and measuring 600 acres (240 hectares). Saint John
5978-910: The Imperial Theatre , the Loyalist House , the Saint John City Market , Partridge Island , the Prince William Streetscape, the Saint John Firefighters' Museum and the Bank of New Brunswick . Natural gas Natural gas (also called fossil gas, methane gas , or simply gas ) is a naturally occurring mixture of gaseous hydrocarbons consisting primarily of methane (95%) in addition to various smaller amounts of other higher alkanes . Traces of carbon dioxide , nitrogen , hydrogen sulfide , and helium are also usually present. Methane
6100-1029: The New Brunswick Black History Society 's Black History Heritage Centre located in the Brunswick Square mall, the Carleton Martello Tower , Fort Howe , the Loyalist House , the Saint John Jewish Historical Museum , the Saint John Firefighters Museum, the Saint John Police Museum, as well as the New Brunswick Museum , Canada's first public museum. Saint John also had the Barbour's General Store , but it
6222-530: The New Brunswick Museum and the University of New Brunswick . Saint John was the most populous in New Brunswick until the 2016 census , when it was overtaken by Moncton . It is currently the second-largest city in the province, with a population of 69,895 over an area of 315.59 km (121.85 sq mi). French explorer Samuel de Champlain landed at Saint John Harbour on June 24, 1604,
SECTION 50
#17327919328186344-704: The New Brunswick Power Corporation which operates three electrical generating stations in the region including the Point Lepreau Nuclear Generating Station , Bell Aliant which operates out of the former New Brunswick Telephone headquarters, the Horizon Health Network, which operates 5 hospitals in the Saint John area, and numerous information technology companies. There are also a number of call centres which were established in
6466-497: The Saint John Free Public Library , among others. Saint John, as well as New Brunswick as a whole, entered the film industry in 1924 with the now- lost silent film Blue Water , produced by the once-successful Ernest Shipman . The film featured soon-to-be Hollywood star Norma Shearer , though it had a short-lived screening and failed to succeed commercially. Saint John made a return to film with
6588-682: The Wabanaki Confederacy for thousands of years. The northwestern coastal region of the Bay of Fundy was home to the Passamaquoddy Nation, while the Saint John River valley north of the bay became the domain of the Wolastoqiyik Nation. The Mi'kmaq also frequented the Saint John area due to the harbour and coast being an important hunting ground for seals. The area around the harbour, where
6710-427: The supply chain can result in natural gas having a similar carbon footprint to other fossil fuels overall. Natural gas can be found in underground geological formations , often alongside other fossil fuels like coal and oil (petroleum). Most natural gas has been created through either biogenic or thermogenic processes. Thermogenic gas takes a much longer period of time to form and is created when organic matter
6832-817: The youngest Best Actress winner but also the first deaf winner in Oscar history . William Hurt , who made a return to the city for filming The 4th Floor (1999), befriended some Saint John residents during his time there for filming of Children of a Lesser God . Other films shot in Saint John include The Secret Life of Algernon (1997), crime drama Blue Hill Avenue (2001), Jericho Mansions (2003), Geraldine's Fortune (2004), black comedy thriller Stuck (2007), romantic drama Still Mine (2012), and Steven Bernstein 's depiction of Welsh poet Dylan Thomas Last Call (2017), of which most extras were from Saint John. Additionally, filming for Taylor Olson 's upcoming film titled Unseen took place in
6954-400: The 1990s under provincial government incentives. Saint John is a major Canadian port, and the only city on the Bay of Fundy. Until the first decade of the 21st century, Canada's largest shipyard (Irving Shipbuilding) had been an important employer in the city. During the 1980s-early 1990s the shipyard was responsible for building 9 of the 12 Halifax -class multi-purpose patrol frigates for
7076-548: The 19th century, natural gas was primarily obtained as a by-product of producing oil . The small, light gas carbon chains came out of solution as the extracted fluids underwent pressure reduction from the reservoir to the surface, similar to uncapping a soft drink bottle where the carbon dioxide effervesces . The gas was often viewed as a by-product, a hazard, and a disposal problem in active oil fields. The large volumes produced could not be used until relatively expensive pipeline and storage facilities were constructed to deliver
7198-406: The 20th century, it was increasingly referred to as simply "gas." In order to highlight its role in exacerbating the climate crisis , however, many organizations have criticized the continued use of the word "natural" in referring to the gas. These advocates prefer the term "fossil gas" or "methane gas" as better conveying to the public its climate threat. A 2020 study of Americans' perceptions of
7320-485: The Bay of Fundy, is a deep water port and ice-free all year long. Partridge Island is in the harbour. The city land area is 315.96 km (121.99 sq mi), and the metropolitan area covers 3,509.62 km (1,355.07 sq mi). Stonehammer UNESCO Geopark, the first Geopark in North America, is centred around Saint John. The Geopark has been recognized by UNESCO as having exceptional geological significance. The park contains rock formations that date back to
7442-525: The French and English over the land surrounding Saint John, the British government deported the Acadians in 1755 following the destruction of Fort Menagoueche , which was reconstructed as Fort Frederick . Following the pillaging and burning of Fort Frederick by American Privateers, Fort Howe was constructed across the river above the harbour in 1779. In 1785, the City of Saint John was established by uniting
SECTION 60
#17327919328187564-566: The Precambrian era and some of the rocks may be a billion years old. The Saint John River itself flows into the Bay of Fundy through a narrow gorge several hundred metres wide at the centre of the city. It contains a unique phenomenon called the Reversing Falls where the diurnal tides of the bay reverse the water flow of the river for several kilometres. A series of underwater ledges at the narrowest point of this gorge also create
7686-585: The Saint John Arts Centre (SJAC). The SJAC in the Carnegie Building hosts art exhibits, workshops, local songwriters' circles and other shows too small to be featured at the grand Imperial Theatre. Saint John maintains industrial infrastructure in the city's East side such as Canada's largest oil refinery as well as the country's largest dry dock. Capitalist K.C. Irving and his family built his unfettered industrial conglomerate in
7808-432: The US had peaked three times, with current levels exceeding both previous peaks. It reached 24.1 trillion cubic feet per year in 1973, followed by a decline, and reached 24.5 trillion cubic feet in 2001. After a brief drop, withdrawals increased nearly every year since 2006 (owing to the shale gas boom ), with 2017 production at 33.4 trillion cubic feet and 2019 production at 40.7 trillion cubic feet. After
7930-427: The US, over one-third of households (>40 million homes) cook with gas. Natural gas dispensed in a residential setting can generate temperatures in excess of 1,100 °C (2,000 °F) making it a powerful domestic cooking and heating fuel. Stanford scientists estimated that gas stoves emit 0.8–1.3% of the gas they use as unburned methane and that total U.S. stove emissions are 28.1 gigagrams of methane. In much of
8052-523: The United States begins with localized use. In the seventeenth century, French missionaries witnessed the American Indians setting fire to natural gas seeps around lake Erie, and scattered observations of these seeps were made by European-descended settlers throughout the eastern seaboard through the 1700s. In 1821, William Hart dug the first commercial natural gas well in the United States at Fredonia, New York , United States, which led in 1858 to
8174-540: The aftermath prompted many residents to leave the city. Situated in the south-central portion of the province, along the north shore of the Bay of Fundy at the mouth of the Saint John River, the city is split by the south-flowing river and the east side is bordered on the north by the Kennebecasis River where it meets the Saint John River at Grand Bay. Saint John Harbour, where the two rivers meet
8296-702: The bottoms of the gashouse ovens was often used for roofing and other waterproofing purposes, and when mixed with sand and gravel was used for paving streets. Huge quantities of natural gas (primarily methane) exist in the form of clathrates under sediment on offshore continental shelves and on land in arctic regions that experience permafrost , such as those in Siberia . Hydrates require a combination of high pressure and low temperature to form. In 2013, Japan Oil, Gas and Metals National Corporation (JOGMEC) announced that they had recovered commercially relevant quantities of natural gas from methane hydrate. The image below
8418-433: The cask beer taps referred to above). They can be identified by their range of motion—only 90°—between fully open and closed. Usually, when the handle is in line with the pipe the valve is open, and when the handle is across the pipe it is closed. But it could move in either direction CW or CCW perpendicular to the pipe. S=shut and O=open. A cone valve consists of a shallowly tapering cone in a tight-fitting socket placed across
8540-600: The city between April and May 2024. In television, Saint John was featured in an episode of Hotel Impossible , as well as in ARD television documentary Verrückt nach Meer . Saint John was additionally a filming location for Canada Russia '72 (2006), a docudrama miniseries about the Summit Series . Saint John features multiple museums such as the Hatheway Labour Exhibit Centre,
8662-401: The city by buying up mills, shipyards, media outlets, and other industrial infrastructure during the 20th century, and still continue to this day. Today Irving dominates the city and province with stakes in oil, forestry, shipbuilding, media and transportation. Irving companies remain dominant employers in the region with North America's first deepwater oil terminal, a pulp mill, a paper mill and
8784-462: The city is, has been traditionally called Menahkwesk by the Wolastoqiyik people, who continue to reside in and around the city. In precolonial times, the Wolastoqiyik lived in mostly self-sustaining villages living largely off bass, sturgeon, salmon, corn, wild roots and berries. In 1604, Samuel de Champlain landed at Saint John Harbour , though he did not settle the area. Saint John played
8906-433: The city produced renowned artists and writers such as poet Kay Smith , painters Jack Humphrey , Miller Brittain, Bruno Bobak , Fred Ross , sculptor John Hooper and folk-singer Stompin' Tom Connors . Poet Bliss Carman once wrote about Saint John, "All the beauty and mystery Of life were there, adventure bold, Youth, and the glamour of the sea, And all its sorrows old." Comhaltas Saint John: Comhaltas Ceoltóirí Éireann
9028-512: The city. In Saint John the height difference from low to high tide is approximately 8 metres (28 ft) due to the funnelling effect of the Bay of Fundy as it narrows. The Reversing Falls in Saint John, actually an area of strong rapids, provides one example of the power of these tides; at every high tide, ocean water is pushed through a narrow gorge in the middle of the city and forces the Saint John River to reverse its flow for several hours. Saint John, especially in its Uptown region, features
9150-498: The city. The Saint John Preservation Areas By-Law regulates exterior work done to these properties in a way that preserves the historic architecture in buildings built prior to 1915. List of buildings in Saint John: Saint John is home to the historic King's Square , an urban park located in the city's Uptown region. Multiple historic buildings are located by the park, including the Saint John City Market ,
9272-754: The cone through which it cannot pass. Valves of this type using a cylinder rather than a cone are sometimes encountered, but using a cone allows a tight fit to be made even with moderate manufacturing tolerances. The ball in ball valves rotates within plastic (usually PTFE ) seats. Hands free infrared proximity sensors are replacing the standard valve. Thermostatically controlled electronic dual-purpose mixing or diverting valves are used within industrial applications to automatically provide liquids as required. Foot controlled valves are installed within laboratory and healthcare/hospitals, as well as in industrial settings where extremely dirty hands operating taps might leave residues on them. Modern taps often have aerators at
9394-654: The decayed organisms originally obtained from the sun via photosynthesis is stored as chemical energy within the molecules of methane and other hydrocarbons. Natural gas can be burned for heating, cooking, and electricity generation . Consisting mainly of methane, natural gas is rarely used as a chemical feedstock . The extraction and consumption of natural gas is a major industry. When burned for heat or electricity , natural gas emits fewer toxic air pollutants, less carbon dioxide, and almost no particulate matter compared to other fossil and biomass fuels. However, gas venting and unintended fugitive emissions throughout
9516-471: The earlier period were largely tradesmen, and many stayed in Saint John, becoming the backbone of its builders. But when the Great Famine of Ireland raged between 1845 and 1849, huge waves of famine refugees flooded the city's shores. It is estimated that between 1845 and 1847, some 30,000 arrived, more people than were living in the city at the time. In 1847, dubbed " Black 47 ", one of the worst years of
9638-446: The eastern US in the late 19th and early 20th centuries were simple by-product coke ovens that heated bituminous coal in air-tight chambers. The gas driven off from the coal was collected and distributed through networks of pipes to residences and other buildings where it was used for cooking and lighting. (Gas heating did not come into widespread use until the last half of the 20th century.) The coal tar (or asphalt ) that collected in
9760-446: The economic and environmental benefits of floating liquefied natural gas (FLNG). There are currently projects underway to construct five FLNG facilities. Petronas is close to completion on their FLNG-1 at Daewoo Shipbuilding and Marine Engineering and are underway on their FLNG-2 project at Samsung Heavy Industries . Shell Prelude is due to start production 2017. The Browse LNG project will commence FEED in 2019. Natural gas
9882-479: The famine, some 16,000 immigrants, most of them from Ireland, arrived at Partridge Island , the immigration and quarantine station at the mouth of Saint John Harbour. As of the 2021 census, approximately 86.4% of the residents were white, while 10.9% were visible minorities and 2.8% were Indigenous. The largest visible minority groups were Black (2.7%), South Asian (2.4%), Arab (1.5%), Chinese (1.4%), and Filipino (0.9%). 87.2% of residents spoke English as
10004-490: The feast of St. John the Baptist , and named the Saint John River in his honour; the indigenous Mi'kmaq and Wolastoqiyik peoples called the river "Wolastoq". The Saint John area was an important area for trade and defence for Acadia during the French colonial era, and Fort La Tour, in the city's harbour, was a pivotal battleground during the Acadian Civil War . After more than a century of ownership disputes between
10126-458: The fixture has been plumbed correctly. In the United States, the Americans with Disabilities Act provide requirements for faucets, such as requiring less than five pounds of force to operate, and requiring that the user does not have to twist their wrist. Most handles in homes are fastened to the valve shafts with screws, but on many commercial and industrial applications they are fitted with
10248-402: The flow of the fluid. In UK English this is usually known as a taper-plug cock . A ball valve uses a spherical ball instead. In either case, a hole through the cone or ball allows the fluid to pass if it is lined up with the openings in the socket through which the fluid enters and leaves; turning the cone using the handle rotates the passage away, presenting the fluid with the unbroken surface of
10370-414: The flow. For high pressure domestic water systems this does not matter, but for low pressure systems where flow rate is important, such as a shower fed by a storage tank, a "stop tap" or, in engineering terms, a " gate valve " is preferred. Gate valves use a metal wedge with a circular face, usually the same diameter as the pipe, which is screwed into place perpendicularly to the flow, cutting it off. There
10492-403: The flushing of a toilet). Rather than two separate valves, mixer taps frequently use a single, more complex, valve controlled by a single handle ( single handle mixer ). The handle moves up and down to control the amount of water flow and from side to side to control the temperature of the water. Especially for baths and showers, the latest designs are thermostatic mixing valves that do this using
10614-497: The formation of the Fredonia Gas Light Company . Further such ventures followed near wells in other states, until technological innovations allowed the growth of major long distance pipelines from the 1920s onward. By 2009, 66,000 km (16,000 cu mi) (or 8%) had been used out of the total 850,000 km (200,000 cu mi) of estimated remaining recoverable reserves of natural gas. In
10736-461: The fuel found that, across political identifications, the term "methane gas" led to better estimates of its harms and risks. Natural gas can come out of the ground and cause a long-burning fire. In ancient Greece , the gas flames at Mount Chimaera contributed to the legend of the fire-breathing creature Chimera . In ancient China , gas resulting from the drilling for brines was first used by about 400 BC. The Chinese transported gas seeping from
10858-435: The gas needs to be cooled down and compressed, as the friction in the pipeline causes the gas to heat up. Many existing pipelines in the US are close to reaching their capacity, prompting some politicians representing northern states to speak of potential shortages. The large trade cost implies that natural gas markets are globally much less integrated, causing significant price differences across countries. In Western Europe ,
10980-517: The gas pipeline network is already dense. New pipelines are planned or under construction between Western Europe and the Near East or Northern Africa . Whenever gas is bought or sold at custody transfer points, rules and agreements are made regarding the gas quality. These may include the maximum allowable concentration of CO 2 , H 2 S and H 2 O . Usually sales quality gas that has been treated to remove contamination
11102-896: The gas to consumer markets. Until the early part of the 20th century, most natural gas associated with oil was either simply released or burned off at oil fields. Gas venting and production flaring are still practised in modern times, but efforts are ongoing around the world to retire them, and to replace them with other commercially viable and useful alternatives. In addition to transporting gas via pipelines for use in power generation, other end uses for natural gas include export as liquefied natural gas (LNG) or conversion of natural gas into other liquid products via gas to liquids (GTL) technologies. GTL technologies can convert natural gas into liquids products such as gasoline, diesel or jet fuel. A variety of GTL technologies have been developed, including Fischer–Tropsch (F–T), methanol to gasoline (MTG) and syngas to gasoline plus (STG+). F–T produces
11224-526: The ground in crude pipelines of bamboo to where it was used to boil salt water to extract the salt in the Ziliujing District of Sichuan . Natural gas was not widely used before the development of long distance pipelines in the early twentieth century. Before that, most use was near to the source of the well, and the predominant gas for fuel and lighting during the industrial revolution was manufactured coal gas. The history of natural gas in
11346-442: The higher-molecular weight hydrocarbons to produce natural gas with energy content between 35–39 megajoules per cubic metre (950–1,050 British thermal units per cubic foot). The processed natural gas may then be used for residential, commercial and industrial uses. Natural gas flowing in the distribution lines is called mid-stream natural gas and is often used to power engines which rotate compressors. These compressors are required in
11468-447: The hot and cold water supplies. Mixer taps were invented by Thomas Campbell of Saint John, New Brunswick , and patented in 1880. For baths and showers, mixer taps frequently incorporate some sort of pressure balancing feature so that the hot/cold mixture ratio will not be affected by transient changes in the pressure of one or other of the supplies. This helps avoid scalding or uncomfortable chilling as other water loads occur (such as
11590-517: The industry is headquartered in Saint John. Prior to the opening of the St. Lawrence Seaway in 1959, the Port of Saint John functioned as the winter port for Montreal , Quebec when shipping was unable to traverse the sea ice in the Gulf of St. Lawrence and St. Lawrence River . The Canadian Pacific Railway opened a line to Saint John from Montreal in 1889 across the state of Maine and transferred
11712-612: The largest proven gas reserves. Sources that consider that Russia has by far the largest proven reserves include the US Central Intelligence Agency (47,600 km ) and Energy Information Administration (47,800 km ), as well as the Organization of Petroleum Exporting Countries (48,700 km ). Contrarily, BP credits Russia with only 32,900 km , which would place it in second, slightly behind Iran (33,100 to 33,800 km , depending on
11834-590: The late 19th to early 20th centuries, the most popular styles in the city were Queen Anne and Romanesque architecture. In 1911, a proposed city hall was to share Gothic and Second Empire architectural styles. Over time, the city would no longer adopt some of these styles. Buildings in Saint John also feature stone carvings and sculptures. In 1982, Saint John introduced the Trinity Royal Heritage Conservation Area , which serves to preserve historic districts and buildings in
11956-469: The majority of its trans-Atlantic passenger and cargo shipping to the port during the winter months. The port fell into decline following the seaway opening and the start of year-round icebreaker services in the 1960s. In 1994 CPR left Saint John when it sold the line to shortline operator New Brunswick Southern Railway . The Canadian National Railway still services Saint John with a secondary mainline from Moncton . Despite these setbacks, Port Saint John
12078-415: The majority of research and monitoring work on marine life and environments. Traditional fisheries (lobster, scallops etc.) still make up the livelihood for many Saint Johners today. Aquaculture, primarily Atlantic Salmon farming, has grown to be a major employer in the region as the decline of other traditional wild fisheries has unfolded in recent decades. Cooke Aquaculture, one of the largest companies in
12200-559: The majority of the city's Black community to settle in Portland (the city's north end), which later became amalgamated with Saint John. In 1849, Canada's first labour union, the Laborer's Benevolent Association (now ILA local 273) was formed by longshoremen . Between 1840 and 1860, sectarian violence became rampant in Saint John as tensions escalated in response to the poor living conditions of poor Irish Catholics , resulting in some of
12322-433: The natural gas can be transported. Natural gas extracted from oil wells is called casinghead gas (whether or not truly produced up the annulus and through a casinghead outlet) or associated gas. The natural gas industry is extracting an increasing quantity of gas from challenging, unconventional resource types : sour gas , tight gas , shale gas , and coalbed methane . There is some disagreement on which country has
12444-489: The past three years. Today, Saint John benefits from industries such as tourism, reporting a tourism expenditure of $ 282 million in 2018. Port of Saint John , the city's port, allows for a capacity of three cruise ships, and has been a cruise ship destination since 1989, first welcoming the MS Cunard Princess . Saint John receives around 80 cruise ships annually. As of the 2023 cruise schedule, Saint John
12566-499: The pipes becomes important and the water again becomes silent. The first screw-down tap mechanism was patented and manufactured by the Rotherham brass founders Guest and Chrimes in 1845. Most older taps use a soft rubber or neoprene washer which is screwed down onto a valve seat in order to stop the flow. This is called a " globe valve " in engineering and, while it gives a leak-proof seal and good fine adjustment of flow, both
12688-592: The population, up from 2.0% in 2011. The largest non-Christian religions were Islam (3.1%) and Hinduism (1.0%). Saint John's location along the Bay of Fundy has been of major importance to the city's prosperity. The bay's dramatic tidal range prevents the harbour from icing over, allowing the city to be accessible all year round. Shipbuilding, shipping and lumber trade rose as prominent industries. By 1840, one-third of New Brunswick's timber, as well as two-thirds of its sawn lumber and manufactured wood products, were exported through Saint John. At one point, Saint John
12810-441: The pores of the gas reservoir get depleted. One method to deal with this problem is to re-inject dried gas free of condensate to maintain the underground pressure and to allow re-evaporation and extraction of condensates. More frequently, the liquid condenses at the surface, and one of the tasks of the gas plant is to collect this condensate. The resulting liquid is called natural gas liquid (NGL) and has commercial value. Shale gas
12932-426: The rubber washer and the valve seat are subject to wear (and for the seat, also corrosion ) over time, so that eventually no tight seal is formed in the closed position, resulting in a leaking tap. The washer can be replaced and the valve seat resurfaced (at least a few times), but globe valves are never maintenance-free. Also, the tortuous S-shaped path the water is forced to follow offers a significant obstruction to
13054-428: The seal) is used between the connector and the tap tail. Tap tails are normally 1 ⁄ 2 " or 12 mm in diameter for sinks and 3 ⁄ 4 " or 19 mm for baths, although continental Europe sometimes uses a 3 ⁄ 8 " (still imperial) size. The same connection method is used for a ballcock . The term tap is widely used to describe the valve used to dispense draft beer from
13176-550: The source). It is estimated that there are about 900,000 km of "unconventional" gas such as shale gas, of which 180,000 km may be recoverable. In turn, many studies from MIT , Black & Veatch and the US Department of Energy predict that natural gas will account for a larger portion of electricity generation and heat in the future. The world's largest gas field is the offshore South Pars / North Dome Gas-Condensate field , shared between Iran and Qatar. It
13298-485: The surrounding air which could contain hazardous bacteria or particles. Modern bathroom and kitchen taps often use ceramic or plastic surfaces sliding against other spring -loaded ceramic surfaces or plastic washers. These taps exploit the uniquely low value of the coefficient of friction of 2 ceramic surfaces in contact, especially in the presence of water as a lubricant. These taps tend to require far less maintenance than traditional globe valves, and when maintenance
13420-654: The third peak in December 2019, extraction continued to fall from March onward due to decreased demand caused by the COVID-19 pandemic in the US . The 2021 global energy crisis was driven by a global surge in demand as the world quit the economic recession caused by COVID-19, particularly due to strong energy demand in Asia. Because of its low density, it is not easy to store natural gas or to transport it by vehicle. Natural gas pipelines are impractical across oceans, since
13542-431: The tip to limit water flow and introduce air in the form of bubbles to reduce splashing. Without an aerator, water usually flows out of the tap in one big stream. An aerator spreads the water flow into many small droplets. In sanitary settings such as hospitals or laboratories "laminar flow devices" are used in place of aerators. Laminar flow devices restrict flow and direct the water into a smooth stream without introducing
13664-412: The transmission line to pressurize and repressurize the mid-stream natural gas as the gas travels. Typically, natural gas powered engines require 35–39 MJ/m (950–1,050 BTU/cu ft) natural gas to operate at the rotational name plate specifications. Several methods are used to remove these higher molecular weighted gases for use by the natural gas engine. A few technologies are as follows: In
13786-568: The two communities of Parr-town and Carleton on either side of the harbour after the arrival of thousands of refugees from the newly founded United States who wished to remain British after the American Revolution . During the next century, immigration via Partridge Island , especially during the Great Famine , would fundamentally change the city's demographics and culture. The Saint John area had been inhabited by peoples of
13908-511: The valve restriction drops nearly to zero from the Venturi effect ; in water taps, this causes the water to boil momentarily at room temperature as it passes through the restriction. Bubbles of cool water vapor form and collapse at the restriction, causing the familiar hissing sound. At very low flow settings, the viscosity of the water becomes important and the pressure drop (and hissing noise) vanish; at full flow settings, parasitic drag in
14030-439: The wettest time of year. Snowfalls can often be heavy, but rain is as common as snow in winter, and it is not unusual for the ground to be snow-free even in mid-winter. The highest temperature ever recorded in Saint John was 34.5 °C (94 °F) on June 20, 2024. The coldest temperature ever recorded was −36.7 °C (−34 °F) on February 11, 1948. At the 2021 census conducted by Statistics Canada , Saint John had
14152-502: The worldwide extraction, access to natural gas has become an important issue in international politics, and countries vie for control of pipelines. In the first decade of the 21st century, Gazprom , the state-owned energy company in Russia, engaged in disputes with Ukraine and Belarus over the price of natural gas, which have created concerns that gas deliveries to parts of Europe could be cut off for political reasons. The United States
14274-462: The worst urban riots in Canadian history. Saint John experienced a cholera outbreak in 1854 that claimed over 1,500 lives, as well as the Great Fire of Saint John in 1877 that destroyed 40% of the city and left 13,000 people homeless. Although the fire caused damages exceeding $ 10 million (equivalent to approximately $ 256 million today), Saint John quickly embarked on rebuilding. Nevertheless,
14396-532: Was British North America 's biggest shipbuilding city, constructing many well-known ships, including the Marco Polo . However, these industries suffered a decline in trade due to technological advancements, which was only made worse with the Great Fire of Saint John in 1877. Shipbuilding in Saint John permanently ceased in 2003 following the closure of the Saint John shipyard , which had been idle for
14518-780: Was founded in Dublin, Ireland, in 1951. Its mandate is to promote traditional Irish music and culture, and there are more than 400 branches around the world. The Saint John branch of Comhaltas is the easternmost chapter in Canada. JP Collins Celtic Festival is an Irish festival celebrating Saint John's Irish heritage. The festival is named for a young Irish doctor James Patrick Collins who worked on Partridge Island quarantine station tending to sick Irish immigrants before he died there himself. Arts organization include InterAction School of Performing Arts , New Brunswick Youth Orchestra , Symphony New Brunswick , TD Station , The Imperial Theatre , and
14640-494: Was invented in Saudi Arabia in the late 1970s, ending any necessity for flaring. Satellite and nearby infra-red camera observations, however, shows that flaring and venting are still happening in some countries. Natural gas is used to generate electricity and heat for desalination . Similarly, some landfills that also discharge methane gases have been set up to capture the methane and generate electricity. Natural gas
14762-482: Was later demolished in July 2023 after having received excessive fire damage in early 2022. Saint John is home to several National Historic Sites, including war fortifications such as the Carleton Martello Tower , a War of 1812 masonry tower, Fort Menagoueche , a former French fort from Father Le Loutre's War , Fort Howe , a British fort built during the American Revolution , and Fort La Tour . Other sites include
14884-567: Was recovered in the course of recovering petroleum could not be profitably sold, and was simply burned at the oil field in a process known as flaring . Flaring is now illegal in many countries. Additionally, higher demand in the last 20–30 years has made production of gas associated with oil economically viable. As a further option, the gas is now sometimes re- injected into the formation for enhanced oil recovery by pressure maintenance as well as miscible or immiscible flooding. Conservation, re-injection, or flaring of natural gas associated with oil
#817182