104-583: The Anacortes Refinery is a petroleum refinery located about 70 miles north of Seattle on March Point (Puget Sound), just outside Anacortes, Washington , United States. The refinery has operated in Anacortes since 1955, and has 425 full-time employees. It has a 120,000 barrels per day (bpd) capacity and is operated by Marathon Petroleum . The refinery receives crude feedstock via the Trans Mountain pipeline from Canada, by rail from North Dakota and
208-402: A devolatilization process to separate usable oil from the waste asphaltene material. Certain cracked streams are particularly suitable to produce petrochemicals includes polypropylene, heavier polymers, and block polymers based on the molecular weight and the characteristics of the olefin specie that is cracked from the source feedstock. Oil refineries are large-scale plants, processing about
312-419: A naphtha reformer . Finished products are shipped through a third-party pipeline system that serves western Washington and Oregon. On April 2, 2010, an explosion at the Anacortes refinery killed seven workers when a heat exchanger failed during startup after a maintenance operation. Oil refinery An oil refinery or petroleum refinery is an industrial process plant where petroleum (crude oil)
416-465: A Muslim mathematician, philosopher, and natural scientist . This is al-Razi's most famous book. Here he gives systematic attention to basic chemical operations important to the history of pharmacy. In this book al-Razi divides the subject of " matter ' into three categories, as in his previous book Al-Asrar . Similar to the commentary on the 8th century text on amalgams ascribed to Jabir ibn Hayyan , al-Razi gives methods and procedures of coloring
520-399: A Wise and Perfect Creator ), listed under his works on the "divine sciences". None of his works on religion are now extant in full. Sarah Stroumsa has argued that al-Razi was a freethinker who rejected all revealed religions. However, Peter Adamson , Marwan Rashed and others hold that al-Razi did not reject revealed religion, on the basis of more recent evidence found in the writings of
624-413: A bimaristan's head. He dedicated two books on medicine to Mansur ibn Ishaq, The Spiritual Physic and Al-Mansūrī on Medicine . Because of his newly acquired popularity as physician, al-Razi was invited to Baghdad where he assumed the responsibilities of a director in a new hospital named after its founder al-Muʿtaḍid (d. 902 CE). Under the reign of Al-Mutadid's son, Al-Muktafi (r. 902–908) al-Razi
728-632: A broad range of several applications. Once separated and purified of any contaminants and impurities, the fuel or lubricant can be sold without further processing. Smaller molecules such as isobutane and propylene or butylenes can be recombined to meet specific octane requirements by processes such as alkylation , or more commonly, dimerization . The octane grade of gasoline can also be improved by catalytic reforming , which involves removing hydrogen from hydrocarbons producing compounds with higher octane ratings such as aromatics . Intermediate products such as gasoils can even be reprocessed to break
832-761: A capacity of 940,000 bbl/d (149,000 m /d) but effective run rates have been dramatically lower due to the impact of 20 years of sanctions , and SK Energy 's Ulsan in South Korea with 840,000 bbl/d (134,000 m /d) are the second and third largest, respectively. Prior to World War II in the early 1940s, most petroleum refineries in the United States consisted simply of crude oil distillation units (often referred to as atmospheric crude oil distillation units). Some refineries also had vacuum distillation units as well as thermal cracking units such as visbreakers (viscosity breakers, units to lower
936-564: A degree much higher than its own natural temperature. Thus the drink would trigger a response from the body, rather than transferring only its own warmth or coldness to it. ( Cf. I. E. Goodman) This line of criticism essentially had the potential to completely refute Galen's theory of humors, as well as Aristotle's theory of the four elements , on which it was grounded. Al-Razi's own alchemical experiments suggested other qualities of matter, such as "oiliness" and "sulphurousness", or inflammability and salinity , which were not readily explained by
1040-800: A few percent sulfur -containing molecules, elemental sulfur is also often produced as a petroleum product. Carbon , in the form of petroleum coke , and hydrogen may also be produced as petroleum products. The hydrogen produced is often used as an intermediate product for other oil refinery processes such as hydrocracking and hydrodesulfurization . Petroleum products are usually grouped into four categories: light distillates (LPG, gasoline, naphtha), middle distillates (kerosene, jet fuel, diesel), heavy distillates, and residuum (heavy fuel oil, lubricating oils, wax, asphalt). These require blending various feedstocks, mixing appropriate additives, providing short-term storage, and preparation for bulk loading to trucks, barges, product ships, and railcars. This classification
1144-428: A heavy, long-chained oil into a lighter short-chained one, by various forms of cracking such as fluid catalytic cracking , thermal cracking , and hydrocracking . The final step in gasoline production is the blending of fuels with different octane ratings, vapor pressures , and other properties to meet product specifications. Another method for reprocessing and upgrading these intermediate products (residual oils) uses
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#17327931429151248-430: A hundred thousand to several hundred thousand barrels of crude oil a day. Because of the high capacity, many of the units operate continuously , as opposed to processing in batches , at steady state or nearly steady state for months to years. The high capacity also makes process optimization and advanced process control very desirable. Petroleum products are materials derived from crude oil ( petroleum ) as it
1352-645: A large amount of steam and cooling water need to have an abundant source of water. Oil refineries, therefore, are often located nearby navigable rivers or on a seashore, nearby a port. Such location also gives access to transportation by river or by sea. The advantages of transporting crude oil by pipeline are evident, and oil companies often transport a large volume of fuel to distribution terminals by pipeline. A pipeline may not be practical for products with small output, and railcars, road tankers, and barges are used. Petrochemical plants and solvent manufacturing (fine fractionating) plants need spaces for further processing of
1456-658: A large volume of refinery products, or to mix chemical additives with a product at source rather than at blending terminals. The refining process releases a number of different chemicals into the atmosphere (see AP 42 Compilation of Air Pollutant Emission Factors ) and a notable odor normally accompanies the presence of a refinery. Aside from air pollution impacts there are also wastewater concerns, risks of industrial accidents such as fire and explosion, and noise health effects due to industrial noise . Many governments worldwide have mandated restrictions on contaminants that refineries release, and most refineries have installed
1560-441: A market place, in well-equipped kitchens, or and in military camps. Thus, every intelligent person could follow its instructions and prepare the proper recipes with good results. Some of the illnesses treated were headaches, colds, coughing, melancholy and diseases of the eye, ear, and stomach. For example, he prescribed for a feverish headache: " 2 parts of duhn (oily extract) of rose , to be mixed with 1 part of vinegar, in which
1664-462: A number of further chemical processes are integrated into it. For example, light hydrocarbons are steam-cracked in an ethylene plant, and the produced ethylene is polymerized to produce polyethene . To ensure both proper separation and environmental protection, a very low sulfur content is necessary in all but the heaviest products. The crude sulfur contaminant is transformed to hydrogen sulfide via catalytic hydrodesulfurization and removed from
1768-581: A piece of linen cloth is dipped and compressed on the forehead". He recommended as a laxative , " 7 drams of dried violet flowers with 20 pears, macerated and well mixed, then strained. Add to this filtrate , 20 drams of sugar for a drink. In cases of melancholy, he invariably recommended prescriptions, which included either poppies or its juice ( opium ), Cuscuta epithymum (clover dodder) or both. For an eye-remedy, he advised myrrh , saffron , and frankincense , 2 drams each, to be mixed with 1 dram of yellow arsenic formed into tablets . Each tablet
1872-422: A question, it was passed on to students of the 'first circle'; if they did not know the answer, it was passed on to those of the 'second circle', and so on. When all students would fail to answer, al-Razi himself would consider the query. Al-Razi was a generous person by nature, with a considerate attitude towards his patients. He was charitable to the poor, treated them without payment in any form, and wrote for them
1976-644: A series of twelve books to al-Razi, plus an additional seven, including his refutation to al-Kindi 's denial of the validity of alchemy. Al-Kindi (801–873 CE) had been appointed by the Abbasid Caliph Ma'mun founder of Baghdad, to 'the House of Wisdom ' in that city, he was a philosopher and an opponent of alchemy. Al-Razi's two best-known alchemical texts, which largely superseded his earlier ones: al-Asrar (الاسرار "The Secrets"), and Sirr al-Asrar (سر الاسرار "The Secret of Secrets"), which incorporates much of
2080-551: A shoreline necklace of refineries, built in the early 20th century before this area was populated, and associated chemical plants are adjacent to urban areas in Richmond , Martinez , Pacheco , Concord , Pittsburg , Vallejo and Benicia , with occasional accidental events that require " shelter in place " orders to the adjacent populations. A number of refineries are located in Sherwood Park, Alberta , directly adjacent to
2184-794: A silver object to imitate gold ( gold leafing ) and the reverse technique of removing its color back to silver. Gilding and silvering of other metals ( alum , calcium salts, iron, copper, and tutty ) are also described, as well as how colors will last for years without tarnishing or changing. Al-Razi classified minerals into six divisions: Al-Razi gives also a list of apparatus used in alchemy. This consists of 2 classes: Although al-Razi wrote extensively on philosophy, most of his works on this subject are now lost. Most of his religio-philosophical ideas, including his belief in five "eternal principles", are only known from fragments and testimonies found in other authors, who were often strongly opposed to his thought. Al-Razi's metaphysical doctrine derives from
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#17327931429152288-469: A treatise Man La Yaḥḍuruhu al-Ṭabīb , or Who Has No Physician to Attend Him , with medical advice. One former pupil from Tabaristan came to look after him, but as al-Biruni wrote, al-Razi rewarded him for his intentions and sent him back home, proclaiming that his final days were approaching. According to Biruni, al-Razi died in Rey in 925 sixty years of age. Biruni, who considered al-Razi his mentor, among
2392-510: A very pronounced redness of the gums. (Rhazes, Encyclopaedia of Medicine) Al-Razi compared the outcome of patients with meningitis treated with blood-letting with the outcome of those treated without it to see if blood-letting could help. Al-Razi contributed in many ways to the early practice of pharmacy by compiling texts, in which he introduces the use of " mercurial ointments" and his development of apparatus such as mortars, flasks, spatulas and phials, which were used in pharmacies until
2496-433: Is based on the way crude oil is distilled and separated into fractions. Over 6,000 items are made from petroleum waste by-products, including fertilizer , floor coverings , perfume , insecticide , petroleum jelly , soap , vitamin capsules . The image below is a schematic flow diagram of a typical oil refinery that depicts the various unit processes and the flow of intermediate product streams that occurs between
2600-408: Is cooled by exchanging heat with the incoming crude oil. All of the fractions (i.e., the overhead naphtha, the sidecuts, and the bottom residue) are sent to intermediate storage tanks before being processed further. A party searching for a site to construct a refinery or a chemical plant needs to consider the following issues: Factors affecting site selection for oil refinery: Refineries that use
2704-518: Is evident from the title of one of his works, Doubts About Galen . A number of contradictory works and statements about religion have been ascribed to al-Razi. Many sources claim that al-Razi viewed prophecy and revealed religion as unnecessary and delusional, claiming that all humans have the ability to access and discover truth (including the existence of God) through God-given reason. According to these sources, his skepticism of prophecy and view that no one group or religion has privileged access to
2808-435: Is particularly remembered for numerous advances in medicine through his observations and discoveries. An early proponent of experimental medicine , he became a successful doctor, and served as chief physician of Baghdad and Ray hospitals. As a teacher of medicine , he attracted students of all backgrounds and interests and was said to be compassionate and devoted to the service of his patients, whether rich or poor. He
2912-451: Is possible... Al-Razi's works present the first systematic classification of carefully observed and verified facts regarding chemical substances, reactions and apparatus, described in a language almost entirely free from mysticism and ambiguity. 'The Secrets' ( al-Asrar , Kitāb al-Asrār , 'Book of Secrets' ) was written in response to a request from al-Razi's close friend, colleague, and former student, Abu Muhammad ibn Yunis al-Bukhari ,
3016-424: Is processed in oil refineries . The majority of petroleum is converted to petroleum products, which includes several classes of fuels. Oil refineries also produce various intermediate products such as hydrogen , light hydrocarbons, reformate and pyrolysis gasoline . These are not usually transported but instead are blended or processed further on-site. Chemical plants are thus often adjacent to oil refineries or
3120-413: Is removed from the distillation column by a pumparound system as shown in the diagram below. As shown in the flow diagram, the overhead distillate fraction from the distillation column is naphtha. The fractions removed from the side of the distillation column at various points between the column top and bottom are called sidecuts . Each of the sidecuts (i.e., the kerosene, light gas oil, and heavy gas oil)
3224-706: Is significant since it contains a celebrated monograph on smallpox, the earliest one known. It was translated into Latin in 1279 by Faraj ben Salim , a physician of Sicilian-Jewish origin employed by Charles of Anjou , and after which it had a considerable influence in Europe. The al-Hawi also criticized the views of Galen , after al-Razi had observed many clinical cases which did not follow Galen's descriptions of fevers. For example, he stated that Galen's descriptions of urinary ailments were inaccurate as he had only seen three cases, while al-Razi had studied hundreds of such cases in hospitals of Baghdad and Rey. Al-Razi
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3328-475: Is then processed further in the other refinery processing units. The CDU is often referred to as the atmospheric distillation unit because it operates at slightly above atmospheric pressure. Below is a schematic flow diagram of a typical crude oil distillation unit. The incoming crude oil is preheated by exchanging heat with some of the hot, distilled fractions and other streams. It is then desalted to remove inorganic salts (primarily sodium chloride). Following
3432-561: Is to do good, even to our enemies, so much more to our friends, and my profession forbids us to do harm to our kindred, as it is instituted for the benefit and welfare of the human race, and God imposed on physicians the oath not to compose mortiferous remedies. This 23-volume set medical textbooks contains the foundation of gynaecology, obstetrics and ophthalmic surgery. This monumental medical encyclopedia in nine volumes—known in Europe also as The Large Comprehensive or Continens Liber ( جامع الكبير )—contains considerations and criticism on
3536-479: Is transformed and refined into products such as gasoline (petrol), diesel fuel , asphalt base , fuel oils , heating oil , kerosene , liquefied petroleum gas and petroleum naphtha . Petrochemical feedstock like ethylene and propylene can also be produced directly by cracking crude oil without the need of using refined products of crude oil such as naphtha. The crude oil feedstock has typically been processed by an oil production plant . [1] There
3640-399: Is uncertain. One account mentioned by Ibn Juljul attributed the cause to a blow to his head by his patron, Mansur ibn Ishaq , for failing to provide proof for his alchemy theories; while Abulfaraj and Casiri claimed that the cause was a diet of beans only. Allegedly, he was approached by a physician offering an ointment to cure his blindness. Al-Razi then asked him how many layers does
3744-590: Is usually an oil depot at or near an oil refinery for the storage of incoming crude oil feedstock as well as bulk liquid products. In 2020, the total capacity of global refineries for crude oil was about 101.2 million barrels per day. Oil refineries are typically large, sprawling industrial complexes with extensive piping running throughout, carrying streams of fluids between large chemical processing units, such as distillation columns. In many ways, oil refineries use many different technologies and can be thought of as types of chemical plants . Since December 2008,
3848-648: The Allies , during the Oil Campaign of World War II . Another close contender for the title of hosting the world's oldest oil refinery is Salzbergen in Lower Saxony , Germany. Salzbergen's refinery was opened in 1860. At one point, the refinery in Ras Tanura , Saudi Arabia owned by Saudi Aramco was claimed to be the largest oil refinery in the world. For most of the 20th century, the largest refinery
3952-619: The Edeleanu process . This increased the refining efficiency compared to pure fractional distillation and allowed a massive development of the refining plants. Successively, the process was implemented in France, Germany, U.S. and in a few decades became worldwide spread. In 1910 Edeleanu founded "Allgemeine Gesellschaft für Chemische Industrie" in Germany, which, given the success of the name, changed to Edeleanu GmbH, in 1930. During Nazi's time,
4056-700: The Islamic Golden Age . He is widely regarded as one of the most important figures in the history of medicine, and also wrote on logic , astronomy and grammar . He is also known for his criticism of religion , especially with regard to the concepts of prophethood and revelation . However, the religio-philosophical aspects of his thought, which also included a belief in five "eternal principles", are fragmentary and only reported by authors who were often hostile to him. A comprehensive thinker, al-Razi made fundamental and enduring contributions to various fields, which he recorded in over 200 manuscripts, and
4160-478: The eye contain and when he was unable to receive an answer, he declined the treatment stating "my eyes will not be treated by one who does not know the basics of its anatomy". The lectures of al-Razi attracted many students. As Ibn al-Nadim relates in Fihrist , al-Razi was considered a shaikh , an honorary title given to one entitled to teach and surrounded by several circles of students. When someone raised
4264-493: The hydrocarbons to be separated by distillation . Since the lighter liquid products are in great demand for use in internal combustion engines, a modern refinery will convert heavy hydrocarbons and lighter gaseous elements into these higher-value products. Oil can be used in a variety of ways because it contains hydrocarbons of varying molecular masses , forms and lengths such as paraffins , aromatics , naphthenes (or cycloalkanes ), alkenes , dienes , and alkynes . While
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4368-416: The octane rating of their product gasoline, lower the sulfur content of their diesel fuel and home heating fuels to comply with environmental regulations and comply with environmental air pollution and water pollution requirements. In the 19th century, refineries in the U.S. processed crude oil primarily to recover the kerosene . There was no market for the more volatile fraction, including gasoline, which
4472-422: The petrochemical industry with increased risk of various cancers, such as mesothelioma . It also found reduced risks of other cancers, such as stomach and rectal . The systematic review did mention that several of the associations were not due to factors directly related to the petroleum industry, rather were related to lifestyle factors such as smoking . Evidence for adverse health effects for nearby residents
4576-408: The vacuum distillation unit may also produce fractions that can be refined into end products such as spindle oil used in the textile industry, light machine oil, motor oil, and various waxes. The crude oil distillation unit (CDU) is the first processing unit in virtually all petroleum refineries. The CDU distills the incoming crude oil into various fractions of different boiling ranges, each of which
4680-399: The viscosity of the oil). All of the many other refining processes discussed below were developed during the war or within a few years after the war. They became commercially available within 5 to 10 years after the war ended and the worldwide petroleum industry experienced very rapid growth. The driving force for that growth in technology and in the number and size of refineries worldwide was
4784-628: The 12th century. In the Northern Song dynasty (960–1127), a workshop called the "Fierce Oil Workshop", was established in the city of Kaifeng to produce refined oil for the Song military as a weapon. The troops would then fill iron cans with refined oil and throw them toward the enemy troops, causing a fire – effectively the world's first " fire bomb ". The workshop was one of the world's earliest oil refining factories where thousands of people worked to produce Chinese oil-powered weaponry. Prior to
4888-860: The 1800s, primarily producing kerosene for oil lamps. In the early twentieth century, the introduction of the internal combustion engine and its use in automobiles created a market for gasoline that was the impetus for fairly rapid growth of the petroleum industry. The early finds of petroleum like those in Ontario and Pennsylvania were soon outstripped by large oil "booms" in Oklahoma , Texas and California . Samuel Kier established America's first oil refinery in Pittsburgh on Seventh Avenue near Grant Street, in 1853. Polish pharmacist and inventor Ignacy Łukasiewicz established an oil refinery in Jasło , then part of
4992-589: The Austro-Hungarian Empire (now in Poland ) in 1854. The first large refinery opened at Ploiești , Romania, in 1856–1857. It was in Ploiesti that, 51 years later, in 1908, Lazăr Edeleanu , a Romanian chemist of Jewish origin who got his PhD in 1887 by discovering amphetamine , invented, patented and tested on industrial scale the first modern method of liquid extraction for refining crude oil,
5096-523: The City of Edmonton , which has a population of over 1,000,000 residents. NIOSH criteria for occupational exposure to refined petroleum solvents have been available since 1977. Modern petroleum refining involves a complicated system of interrelated chemical reactions that produce a wide variety of petroleum-based products. Many of these reactions require precise temperature and pressure parameters. The equipment and monitoring required to ensure
5200-586: The Greek philosophers Aristotle and Plato , and expresses innovative views on many subjects. Because of this book alone, many scholars consider al-Razi the greatest medical doctor of the Middle Ages . The al-Hawi is not a formal medical encyclopedia, but a posthumous compilation of al-Razi's working notebooks, which included knowledge gathered from other books as well as original observations on diseases and therapies, based on his own clinical experience. It
5304-499: The Greek physician, as far as the alleged superiority of the Greek language and many of his cosmological and medical views. He links medicine with philosophy, and states that sound practice demands independent thinking. He reports that Galen's descriptions do not agree with his own clinical observations regarding the run of a fever. And in some cases he finds that his clinical experience exceeds Galen's. He criticized Galen's theory that
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#17327931429155408-653: The Tricks of False Prophets ). According to Biruni, the first "was claimed to be against religions" and the second "was claimed as attacking the necessity of the prophets." However, Biruni also listed some other works of al-Razi on religion, including Fi Wujub Da‘wat al-Nabi ‘Ala Man Nakara bi al-Nubuwwat ( Obligation to Propagate the Teachings of the Prophet Against Those who Denied Prophecies ) and Fi anna li al-Insan Khaliqan Mutqinan Hakiman ( That Man has
5512-584: The U.S. from 1976 until 2014 when the small Dakota Prairie Refinery in North Dakota began operation. More than half the refineries that existed in 1981 are now closed due to low utilization rates and accelerating mergers. As a result of these closures total US refinery capacity fell between 1981 and 1995, though the operating capacity stayed fairly constant in that time period at around 15,000,000 barrels per day (2,400,000 m /d). Increases in facility size and improvements in efficiencies have offset much of
5616-401: The body possessed four separate " humors " (liquid substances), whose balance are the key to health and a natural body-temperature. A sure way to upset such a system was to insert a liquid with a different temperature into the body resulting in an increase or decrease of bodily heat, which resembled the temperature of that particular fluid. Al-Razi noted that a warm drink would heat up the body to
5720-460: The central U.S., and by tanker from Alaska and foreign sources. Gasoline , jet and diesel fuel are the primary products, which are supplied to end users predominantly in Washington and Oregon . Other products include heavy fuel oils , liquefied petroleum gas , and asphalt . Secondary processing facilities include a fluid catalytic cracker , an alkylation unit, hydrotreating units and
5824-555: The company was bought by the Deutsche Erdöl-AG and Edeleanu, being of Jewish origin, moved back to Romania. After the war, the trademark was used by the successor company EDELEANU Gesellschaft mbH Alzenau (RWE) for many petroleum products, while the company was lately integrated as EDL in the Pörner Group . The Ploiești refineries, after being taken over by Nazi Germany , were bombed in the 1943 Operation Tidal Wave by
5928-555: The construction of new refineries may have also contributed to rising fuel prices in the United States. Additionally, many refineries (more than 100 since the 1980s) have closed due to obsolescence and/or merger activity within the industry itself. Environmental and safety concerns mean that oil refineries are sometimes located some distance away from major urban areas. Nevertheless, there are many instances where refinery operations are close to populated areas and pose health risks. In California's Contra Costa County and Solano County ,
6032-667: The crude oil and depending on the demands of the market, refineries can produce different shares of petroleum products. The largest share of oil products is used as "energy carriers", i.e. various grades of fuel oil and gasoline . These fuels include or can be blended to give gasoline, jet fuel , diesel fuel , heating oil , and heavier fuel oils. Heavier (less volatile ) fractions can also be used to produce asphalt , tar , paraffin wax , lubricating and other heavy oils. Refineries also produce other chemicals , some of which are used in chemical processes to produce plastics and other useful materials. Since petroleum often contains
6136-487: The desalter, the crude oil is further heated by exchanging heat with some of the hot, distilled fractions and other streams. It is then heated in a fuel-fired furnace (fired heater) to a temperature of about 398 °C and routed into the bottom of the distillation unit. The cooling and condensing of the distillation tower overhead is provided partially by exchanging heat with the incoming crude oil and partially by either an air-cooled or water-cooled condenser. Additional heat
6240-429: The early twentieth century. On a professional level, al-Razi introduced many practical, progressive, medical and psychological ideas. He attacked charlatans and fake doctors who roamed the cities and countryside selling their nostrums and "cures". At the same time, he warned that even highly educated doctors did not have the answers to all medical problems and could not cure all sicknesses or heal every disease, which
6344-443: The equipment needed to comply with the requirements of the pertinent environmental protection regulatory agencies. In the United States, there is strong pressure to prevent the development of new refineries, and no major refinery has been built in the country since Marathon's Garyville, Louisiana facility in 1976. However, many existing refineries have been expanded during that time. Environmental restrictions and pressure to prevent
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#17327931429156448-574: The first penned a short biography of al-Razi including a bibliography of his numerous works. Ibn al-Nadim recorded an account by al-Razi of a Chinese student who copied down all of Galen 's works in Chinese as al-Razi read them to him out loud after the student learned fluent Arabic in 5 months and attended al-Razi's lectures. After his death, his fame spread beyond the Middle East to Medieval Europe, and lived on. In an undated catalog of
6552-459: The greatest and most original of all the Muslim physicians, and one of the most prolific as an author". Additionally, he has been described as the father of pediatrics , and a pioneer of obstetrics and ophthalmology . Al-Razi was born in the city of Ray (modern Rey, also the origin of his name "al-Razi"), into a family of Persian stock and was a native speaker of Persian language . Ray
6656-412: The growing demand for automotive gasoline and aircraft fuel. In the United States, for various complex economic and political reasons, the construction of new refineries came to a virtual stop in about the 1980s. However, many of the existing refineries in the United States have revamped many of their units and/or constructed add-on units in order to: increase their crude oil processing capacity, increase
6760-514: The highly automated and technically advanced nature of modern petroleum refineries, nearly all processes are contained within engineering controls and represent a substantially decreased risk of exposure to workers compared to earlier times. However, certain situations or work tasks may subvert these safety mechanisms, and expose workers to a number of chemical (see table above) or physical (described below) hazards. Examples of these scenarios include: A 2021 systematic review associated working in
6864-542: The hundreds of different hydrocarbon molecules in crude oil are separated in a refinery into components that can be used as fuels , lubricants , and feedstocks in petrochemical processes that manufacture such products as plastics , detergents , solvents , elastomers , and fibers such as nylon and polyesters . Petroleum fossil fuels are burned in internal combustion engines to provide power for ships , automobiles , aircraft engines , lawn mowers , dirt bikes , and other machines. Different boiling points allow
6968-480: The inlet crude oil feedstock and the final end products. The diagram depicts only one of the literally hundreds of different oil refinery configurations. The diagram also does not include any of the usual refinery facilities providing utilities such as steam, cooling water, and electric power as well as storage tanks for crude oil feedstock and for intermediate products and end products. There are many process configurations other than that depicted above. For example,
7072-621: The late Northern Wei dynasty , the Chinese geographer, writer and politician Li Daoyuan introduced the process of refining oil into various lubricants in his famous work Commentary on the Water Classic . Crude oil was often distilled by Persian chemists , with clear descriptions given in handbooks such as those of Muhammad ibn Zakarīya Rāzi ( c. 865–925 ). The streets of Baghdad were paved with tar , derived from petroleum that became accessible from natural fields in
7176-411: The less profitable refineries. Raw or unprocessed crude oil is not generally useful in industrial applications, although "light, sweet" (low viscosity, low sulfur ) crude oil has been used directly as a burner fuel to produce steam for the propulsion of seagoing vessels. The lighter elements, however, form explosive vapors in the fuel tanks and are therefore hazardous, especially in warships . Instead,
7280-430: The library at Peterborough Abbey , most likely from the 14th century, al-Razi is listed as a part author of ten books on medicine. Al-Razi was one of the world's first great medical experts. He is considered the father of psychology and psychotherapy. Al-Razi wrote: Smallpox appears when blood "boils" and is infected, resulting in vapours being expelled. Thus juvenile blood (which looks like wet extracts appearing on
7384-415: The lost physical capacity of the industry. In 1982 (the earliest data provided), the United States operated 301 refineries with a combined capacity of 17.9 million barrels (2,850,000 m ) of crude oil each calendar day. In 2010, there were 149 operable U.S. refineries with a combined capacity of 17.6 million barrels (2,800,000 m ) per calendar day. By 2014 the number of refinery had reduced to 140 but
7488-486: The man Galen from whose sea of knowledge I have drawn much. Indeed, he is the Master and I am the disciple. Although this reverence and appreciation will and should not prevent me from doubting, as I did, what is erroneous in his theories. I imagine and feel deeply in my heart that Galen has chosen me to undertake this task, and if he were alive, he would have congratulated me on what I am doing. I say this because Galen's aim
7592-436: The molecules in crude oil include different atoms such as sulfur and nitrogen, the hydrocarbons are the most common form of molecules, which are molecules of varying lengths and complexity made of hydrogen and carbon atoms , and a small number of oxygen atoms. The differences in the structure of these molecules account for their varying physical and chemical properties , and it is this variety that makes crude oil useful in
7696-487: The nineteenth century, petroleum was known and utilized in various fashions in Babylon , Egypt , China , Philippines , Rome and Azerbaijan . However, the modern history of the petroleum industry is said to have begun in 1846 when Abraham Gessner of Nova Scotia , Canada devised a process to produce kerosene from coal. Shortly thereafter, in 1854, Ignacy Łukasiewicz began producing kerosene from hand-dug oil wells near
7800-489: The patient all over his body. A swelling of the face appears, which comes and goes, and one notices an overall inflammatory color noticeable as a strong redness on both cheeks and around both eyes. One experiences a heaviness of the whole body and great restlessness, which expresses itself as a lot of stretching and yawning. There is a pain in the throat and chest and one finds it difficult to breathe and cough. Additional symptoms are: dryness of breath, thick spittle, hoarseness of
7904-410: The physician should not be blamed when he could not cure them. To add a humorous note, al-Razi felt great pity for physicians who took care for the well being of princes, nobility, and women, because they did not obey the doctor's orders to restrict their diet or get medical treatment, thus making it most difficult being their physician. He also wrote the following on medical ethics : The doctor's aim
8008-539: The previous work. Apparently al-Razi's contemporaries believed that he had obtained the secret of turning iron and copper into gold. Biographer Khosro Moetazed reports in Mohammad Zakaria Razi that a certain General Simjur confronted al-Razi in public, and asked whether that was the underlying reason for his willingness to treat patients without a fee. "It appeared to those present that al-Razi
8112-464: The product stream via amine gas treating . Using the Claus process , hydrogen sulfide is afterward transformed to elementary sulfur to be sold to the chemical industry. The rather large heat energy freed by this process is directly used in the other parts of the refinery. Often an electrical power plant is combined into the whole refinery process to take up the excess heat. According to the composition of
8216-455: The proper progression of these processes is complex, and has evolved through the advancement of the scientific field of petroleum engineering . The wide array of high pressure and/or high temperature reactions, along with the necessary chemical additives or extracted contaminants, produces an astonishing number of potential health hazards to the oil refinery worker. Through the advancement of technical chemical and petroleum engineering,
8320-626: The region. In the 9th century, oil fields were exploited in the area around modern Baku , Azerbaijan. These fields were described by the Arab geographer Abu al-Hasan 'Alī al-Mas'ūdī in the 10th century, and by Marco Polo in the 13th century, who described the output of those wells as hundreds of shiploads. Arab and Persian chemists also distilled crude oil in order to produce flammable products for military purposes. Through Islamic Spain , distillation became available in Western Europe by
8424-504: The request of one of the Byzantine emperors. Its lack of dogmatism and its Hippocratic reliance on clinical observation show al-Razi's medical methods. For example, he wrote: The eruption of smallpox is preceded by a continued fever, pain in the back, itching in the nose and nightmares during sleep. These are the more acute symptoms of its approach together with a noticeable pain in the back accompanied by fever and an itching felt by
8528-443: The skin) is being transformed into richer blood, having the color of mature wine. At this stage, smallpox shows up essentially as "bubbles found in wine" (as blisters)... this disease can also occur at other times (meaning: not only during childhood). The best thing to do during this first stage is to keep away from it, otherwise this disease might turn into an epidemic. Al-Razi's book al-Judari wa al-Hasbah ( On Smallpox and Measles )
8632-585: The theologian and philosopher Fakhr al-Din al-Razi (died 1210). Adamson states: It is worth noting that Stroumsa’s work predates Rashed’s discovery of this evidence in Fakhr al-Dīn, so that she did not have the benefit of being able to consider how this new information could be reconciled with the Proofs. That is the goal I will set for myself in this chapter. I should lay my cards on the table and say that I am persuaded by Rashed’s account, and do not believe that Razi
8736-476: The theory of the "five eternals", according to which the world is produced out of an interaction between God and four other eternal principles ( soul , matter , time, and place ). He accepted a pre-socratic type of atomism of the bodies, and for that he differed from both the falasifa and the mutakallimun . While he was influenced by Plato and the medical writers, mainly Galen , he rejected taqlid and thus expressed criticism about some of their views. This
8840-609: The time, reports of the health impacts of working in an oil refinery can be found as early as the 1800s. For instance, an explosion in a Chicago refinery killed 20 workers in 1890. Since then, numerous fires, explosions, and other significant events have from time to time drawn the public's attention to the health of oil refinery workers. Such events continue in the 21st century, with explosions reported in refineries in Wisconsin and Germany in 2018. However, there are many less visible hazards that endanger oil refinery workers. Given
8944-458: The total capacity increased to 18.02 million barrels (2,865,000 m ) per calendar day. Indeed, in order to reduce operating costs and depreciation, refining is operated in fewer sites but of bigger capacity. In 2009 through 2010, as revenue streams in the oil business dried up and profitability of oil refineries fell due to lower demand for product and high reserves of supply preceding the economic recession , oil companies began to close or sell
9048-621: The town of Krosno , Poland . Romania was registered as the first country in world oil production statistics, according to the Academy Of World Records . In North America, the first oil well was drilled in 1858 by James Miller Williams in Oil Springs, Ontario , Canada. In the United States, the petroleum industry began in 1859 when Edwin Drake found oil near Titusville , Pennsylvania . The industry grew slowly in
9152-429: The traditional fire, water, earth, and air division of elements. Al-Razi's challenge to the current fundamentals of medical theory was quite controversial. Many accused him of ignorance and arrogance, even though he repeatedly expressed his praise and gratitude to Galen for his contributions and labours, saying: I prayed to God to direct and lead me to the truth in writing this book. It grieves me to oppose and criticize
9256-597: The truth is driven by his view that all people have an equal basic capacity for rationality and discovery of truth, and that apparent differences in this capacity are simply a feature of interest, opportunity, and effort. Because of his supposed rejection of prophecy and acceptance of reason as the primary method for accessing the truth, al-Razi came to be admired as a freethinker by some. According to al-Biruni's Bibliography of al-Razi ( Risāla fī Fihrist Kutub al-Rāzī ), al-Razi wrote two "heretical books": " Fī al-Nubuwwāt ( On Prophecies ) and " Fī Ḥiyal al-Mutanabbīn ( On
9360-420: The vast majority of these processes are automated and enclosed, thus greatly reducing the potential health impact to workers. However, depending on the specific process in which a worker is engaged, as well as the particular method employed by the refinery in which he/she works, significant health hazards remain. Although occupational injuries in the United States were not routinely tracked and reported at
9464-401: The voice, pain and heaviness of the head, restlessness, nausea and anxiety. (Note the difference: restlessness, nausea and anxiety occur more frequently with "measles" than with smallpox. At the other hand, pain in the back is more apparent with smallpox than with measles). Altogether one experiences heat over the whole body, one has an inflamed colon and one shows an overall shining redness, with
9568-601: The world's largest oil refinery has been the Jamnagar Refinery owned by Reliance Industries , located in Gujarat , India, with a processing capacity of 1.24 million barrels (197,000 m ) per day. Oil refineries are an essential part of the petroleum industry's downstream sector. The Chinese were among the first civilizations to refine oil. As early as the first century, the Chinese were refining crude oil for use as an energy source. Between 512 and 518, in
9672-462: Was also weak, with the evidence primarily centering around neighborhoods in developed countries . Muhammad ibn Zakar%C4%ABya R%C4%81zi Abū Bakr al-Rāzī (full name: أبو بکر محمد بن زکریاء الرازي , Abū Bakr Muḥammad ibn Zakariyyāʾ al-Rāzī ), c. 864 or 865–925 or 935 CE , often known as (al-)Razi or by his Latin name Rhazes , also rendered Rhasis , was a Persian physician , philosopher and alchemist who lived during
9776-589: Was commissioned to build a new hospital, which should be the largest of the Abbasid Caliphate . To pick the future hospital's location, al-Razi adopted what is nowadays known as an evidence-based approach suggesting having fresh meat hung in various places throughout the city and to build the hospital where meat took longest to rot. He spent the last years of his life in his native Rey suffering from glaucoma . His eye affliction started with cataracts and ended in total blindness. The cause of his blindness
9880-503: Was considered waste and was often dumped directly into the nearest river. The invention of the automobile shifted the demand to gasoline and diesel, which remain the primary refined products today. Today, national and state legislation require refineries to meet stringent air and water cleanliness standards. In fact, oil companies in the U.S. perceive obtaining a permit to build a modern refinery to be so difficult and costly that no new refineries were built (though many have been expanded) in
9984-406: Was humanly speaking impossible. To become more useful in their services and truer to their calling, al-Razi advised practitioners to keep up with advanced knowledge by continually studying medical books and exposing themselves to new information. He made a distinction between curable and incurable diseases. Pertaining to the latter, he commented that in the case of advanced cases of cancer and leprosy
10088-511: Was possibly the first Persian doctor to deliberately write a home medical manual ( remedial ) directed at the general public. He dedicated it to the poor, the traveller, and the ordinary citizen who could consult it for treatment of common ailments when a doctor was not available. This book is of special interest to the history of pharmacy since similar books were very popular until the 20th century. Al-Razi described in its 36 chapters, diets and drug components that can be found in either an apothecary,
10192-410: Was reluctant to answer; he looked sideways at the general and replied": I understand alchemy and I have been working on the characteristic properties of metals for an extended time. However, it still has not turned out to be evident to me, how one can transmute gold from copper. Despite the research from the ancient scientists done over the past centuries, there has been no answer. I very much doubt if it
10296-540: Was situated on the Great Silk Road that for centuries facilitated trade and cultural exchanges between East and West. It is located on the southern slopes of the Alborz mountain range situated near Tehran , Iran. In his youth, al-Razi moved to Baghdad where he studied and practiced at the local bimaristan (hospital). Later, he was invited back to Rey by Mansur ibn Ishaq , then the governor of Ray, and became
10400-846: Was the Abadan Refinery in Iran . This refinery suffered extensive damage during the Iran–Iraq War . Since 25 December 2008, the world's largest refinery complex is the Jamnagar Refinery Complex, consisting of two refineries side by side operated by Reliance Industries Limited in Jamnagar, India with a combined production capacity of 1,240,000 barrels per day (197,000 m /d). PDVSA 's Paraguaná Refinery Complex in Paraguaná Peninsula , Venezuela , with
10504-463: Was the first book describing smallpox and measles as distinct diseases. The work was translated into Syriac, then into Greek. It became known in Europe through this Greek translation, as well as Latin translations based on the Greek text, and was later translated into several European languages. Neither the date nor the author of the Syriac and Greek versions is known; but the Greek was created at
10608-607: Was the first to clinically distinguish between smallpox and measles , and suggest sound treatment for the former. Through translation, his medical works and ideas became known among medieval European practitioners and profoundly influenced medical education in the Latin West. Some volumes of his work Al-Mansuri , namely "On Surgery" and "A General Book on Therapy", became part of the medical curriculum in Western universities. Edward Granville Browne considers him as "probably
10712-550: Was to be dissolved in a sufficient quantity of coriander water and used as eye drops. Al-Razi dedicated this work to his patron Abū Ṣāliḥ al-Manṣūr , the Samanid governor of Ray. It was translated into Latin by Gerard of Cremona around 1180. A Latin translation of it was edited in the 16th century by the Dutch anatomist and physician Andreas Vesalius . In his book Doubts about Galen , al-Razi rejects several claims made by
10816-575: Was to seek and find the truth and bring light out of darkness. I wish indeed he were alive to read what I have published. Al-Razi's The Diseases of Children was the first monograph to deal with pediatrics as an independent field of medicine. Al-Razi's interest in alchemy and his strong belief in the possibility of transmutation of lesser metals to silver and gold was attested half a century after his death by Ibn an-Nadim 's book, The Philosopher's Stone ( Lapis Philosophorum in Latin). Nadim attributed
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