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  • PhenolEssential Chemical Industry

     · Phenol is also catalytically reduced to cyclohexanol which is used in the manufacture of polyamides 6 and 6 6. Phenol is also used to make a range of thermosetting polymers (resins). It reacts with methanal in the presence of a catalyst to form phenol-methanal resins. Figure 1 Uses of phenol. Among the other uses of phenol is the production of

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  • Vacuum Distillation Of Crude Coal Tar(specifically

    Coal tars are used primarily for the production of refined chemicals and coal-tar products such as creosote coal-tar pitch and crude naphthalene and anthracene oils from the distillation of crude coal tar. Coal tar has been used as a fuel in open-hearth furnaces and blast furnaces in the steel industry as a binder and filler in surface

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  • Napthalene DerivativesHimadri

    The raw material used is Naphthalene Oil extracted from high temperature crude coal tar which is fractionally distilled in a series of distillation tower. Stringent monitoring by our highly skilled and experienced team makes it possible to achieve the target quality consistently.

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  • A new separation method for phenolic compounds from

     · A new reaction agent (urea) was used to efficiently separate the phenol and cresols from low-temperature coal tar (model oil) through complexing. The effects of contact time reaction temperature and initial concentration were investigated. The phenols content of the upper layer was analyzed by using gas chromatography.

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  • The hydrodeoxygenation hydrogenation

     · The gasoline fraction in the product mainly comes from the phenol hydrodeoxygenation in the coal tar hydrogenation process. Introduction As is known to all the crude oil resources are depleting but due to the rapid development of world economy the demands of crude oil are increasingly growing

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  • US Patent for Production process of indene Patent (Patent

     · According to the process disclosed in JP A on the other hand a phenol is added to a coal tar distillate and indene and the phenol are then azeotropically distilled while allowing components heavier than indene such as benzonitrile to obtain as a bottoms residual.

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  • Tar Sands RefineryReportOil Change International

    The refining of tar sands crude is a particularly intensive and polluting process and has increased dramatically in recent years. Tar sands bitumen freshly extracted from an in situ well. Source Southern Pacific Resource Corporationinvestor presentation October 2012.

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  • South Africa s Oil From Coal Story -- Background

    In addition alcohols ketones aldehydes organic adds and esters are recovered from the aqueous streams that flow from the synthesis reactors. A partial 11st of products 1s presented 1n Table 4. The overall thermal efficiency of the process from coal as mined to saleable refined end products 1s 35 to 40 .

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  • Process for the production of 2 3 5-trimethyl phenol

    More particularly it is concerned with a process for the separation of crystalline 2 3 5-trimethyl phenol from such mixtures. The general composition of alkyl phenol mixtures extracted from cracked petroleum and coal tar distillates has been under investigation for some time.

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  • Tar Sands RefineryReportOil Change International

    The refining of tar sands crude is a particularly intensive and polluting process and has increased dramatically in recent years. Tar sands bitumen freshly extracted from an in situ well. Source Southern Pacific Resource Corporationinvestor presentation October 2012.

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  • PART 1Greater London Industrial Archaeology Society

     · Coal tar. Appendix I gives details of some of the companies who either purchased and distilled crude tar from the gas works of the GLCC purchased refined tar from its Poplar works between 1817 and 1833 or carried on the business of tar distillers. The company records are often not clear as to whether crude or refined tar was purchased.

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  • A Case Study Manufactured Gas Plant Site Troy NY

     · products recovery and processing operation (and testing laboratory) to capitalize on by-products derived from coal tar (e.g. phenol naphthalene creosote pitch) ammonia (e.g. ammonium sulfate fertilizer) and light oils (e.g. benzene xylenes toluene) generated during the process. In 1956 the MGP was retired and since then the site has

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  • China team optimizes catalytic hydrogenation process to

     · Flow diagram of coal tar hydrogenation process. Credit ACS Kan et al. Click to enlarge. Researchers in China report the production of gasoline and diesel from coal tar via an optimized catalytic hydrogenation using two serial fixed beds the first with a hydrofining catalyst

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  • Tar SandsOil Change International

    Existing analyses of the impacts of tar sands fail to account for a byproduct of the process that is a major source of climate change causing carbon emissions petroleum cokeknown as petcoke. Petcoke is the coal hiding in North America s tar sands oil boom. Report Irrational Exemption Tar sands pipeline subsidies and why they must end

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  • Phenol Production and Manufacturing Process ICIS

     · Phenol Production and Manufacturing Process Phenol was first isolated from coal tar in the coking of coal but the first commercial process was the sulphonation of benzene and subsequent fusion with caustic soda. There are now three synthetic routes to phenol with cumene -based technology being the dominant process.

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  • Coal Tar Guidance February 2018Transport Scotland

    used as a marker compound for carcinogenicity of certain coal tar entries. The assertion is that 50mg/kg (0.005 ) concentration of BaP correlates to around 1000mg/kg (0.1 ) coal tar. Thus where BaP is less than 0.005 the amount of coal tar is considered low enough for the material to

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  • Analysis of coal tar derived from pyrolysis at different

     · Detailed separation process is as follows the coal tar was dissolved in dichloromethane and the water in tar was absorbed by Na 2 SO 4. The solution was filtrated to remove Na 2 SO 4 and then distilled at 300 °C to meet the GC demand. Distillate including CH 2

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  • The new liquid–liquid extraction method for separation of

     · The traditional method of separating phenols from oil mixture involves the use of strongly alkaline and acidic aqueous solutions through various chemical reactions . This process conventionally produces a large quantity of phenol-containing waste water.

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  • Journal of lhe Ropal Socìetp oí ñ№.

    pound in explosives and in a synthetic process for making phenol. The next fraction from coal tar distillationthe "middle oil "contains phenol and other bodies and the later fractionsthe " heavy oils "also contain valuable compounds. Phenol (C6H50H) commonly called Car-bolic Acid is obtained from the middle oil of tar distillation.

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  • Pitch-based carbon fibers from coal tar or petroleum

    process of natural resources such as petroleum and coal 11 12 . The typical raw materials for producing pitch are pyrolysis fuel oil (PFO) catalytic slurry oil and coal tar. The production of carbon fiber from pitch can result in cost reductions or very high properties with an additional processing step.

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  • South Africa s Oil From Coal Story -- Background

    In addition alcohols ketones aldehydes organic adds and esters are recovered from the aqueous streams that flow from the synthesis reactors. A partial 11st of products 1s presented 1n Table 4. The overall thermal efficiency of the process from coal as mined to saleable refined

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  • PROCESS FOR OBTAINING NAPHTHALENE FROM COAL

    A process for obtaining of naphthalene from coal tar and preparation thereof to the production of phthalic anhydride includes processes of rectification of coal tar with separation of its fractions with naphthalene fraction among them crystallization thereof pressing melting settling of melted naphthalene and evaporation thereof in the air flow before the feed to oxidation for obtaining phthalic anhydride.

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  • Napthalene DerivativesHimadri

    The raw material used is Naphthalene Oil extracted from high temperature crude coal tar which is fractionally distilled in a series of distillation tower. Stringent monitoring by our highly skilled and experienced team makes it possible to achieve the target quality consistently.

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  • PRODUCTION OF CARBON PRODUCTS USING A COAL

     · In a process for reacting a feedstock comprising an ash-containing solid carbonaceous fuel selected from the group consisting of anthracite coal bituminous coal sub-bituminous coal lignite particulate carbon coke from coal petroleum coke oil shale tar sands asphalt pitch and mixtures thereof with a free-oxygen containing gas in a

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  • PhenolTechnology Products Market Manufacturing

     · Phenol was first isolated from coal tar in the coking of coal but the first commercial process was the sulphonation of benzene and subsequent fusion with caustic soda. Most phenol today is synthesized under an indirect three-step process (called the cumene method).

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  • What Are Tar Sands Union of Concerned Scientists

     · Tar sands are an increasingly common—but expensive and dirty—source of oil. Tar sands (also known as oil sands) are a mixture of mostly sand clay water and a thick molasses-like substance called bitumen. Bitumen is made of hydrocarbons—the same molecules in liquid oil—and is used to produce gasoline and other petroleum products.

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  • Energy at a Glance Pennsylvania State University

     · Canada is the largest supplier of crude oil and refined products to the United States and constitutes near 18 of US imports (as of 2007) or about 1.8 million barrels per day. Canada s bulk production capacity from oil sands is about 1 million barrels

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  • Coal Tar Guidance February 2018Transport Scotland

    used as a marker compound for carcinogenicity of certain coal tar entries. The assertion is that 50mg/kg (0.005 ) concentration of BaP correlates to around 1000mg/kg (0.1 ) coal tar. Thus where BaP is less than 0.005 the amount of coal tar is considered low enough for the material to be considered Non-Hazardous.

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  • Reilly Tar and Chemical Fairmont

     · The crude tar is shipped to the coal tar refinery of the Reilly Tar and Chemical corporation also located at Fairmont and one of 16 such plants well distributed throughout the country. At the refinery the tar is stored in large tanks from which it is later put through a process of distillation in stills.

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  • Acetyl Chemicals from Coal GasificationNational

     · The resulting tar by-products were refined and used around the world as aromatics for pharmaceuticals dyes explosives and photographic chemicals. World War I and Germany s embargo of aromatic coal tar products — particularly toluene needed for TNT — resulted in the development of the U.S. domestic coal chemicals industry.

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  • Integrated process of coal pyrolysis with catalytic

     · The contents of benzene- and phenol-analogs in tar from the integrated process are enhanced whereas the content of asphaltene is declined. The isotopic tracing confirmed that some small molecule free radicals produced from SCG over Ni-based catalyst participate in the formation of tar from coal pyrolysis and improve the tar yield.

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  • Process of producing a plastic material (Patent) OSTI.GOV

     · In a process for reacting a feedstock comprising an ash-containing solid carbonaceous fuel selected from the group consisting of anthracite coal bituminous coal sub-bituminous coal lignite particulate carbon coke from coal petroleum coke oil shale tar sands asphalt pitch and mixtures thereof with a free-oxygen containing gas in a

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  • CHEE1000 Assignment #4 2015.pdfDUE CHEE1000

    The RCO flow through the system is continuous. The caustic is pumped through the system in counter-current batch fashion. Periodically the washing process is stopped and caustic is transferred between tanks. The caustic in the first wash tank now largely converted to a sodium phenolate/cresylate mixture is pumped to the tar acid springing plant.

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  • 12.2 Coke ProductionUS EPA

     · sulfide ammonia and nitrogen. Liquid products include water tar and crude light oil. The coking process produces approximately 338 000 L of coke oven gas (COG) per megagram of coal charged (10 800 standard cubic feet of COG per ton). During the coking cycle volatile matter driven from the coal mass passes upward through cast

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  • The investigation of alternative processes for the

     · process for either producing value added products such as hydroquinone and allowing for a solution containing phenol to flow through the cell continuously. By coal tar. He named it a carbolic acid and it was later named as phenol by C. Gerhardt in 1842. 1 7

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  • Studies on the Extraction of Phenols from Coal Tar

    Fardhyanti et al. 3 succeeded to extract phenol from coal tar using methanol and acetone solutions as solvent. Shi et al. 4 studied the extraction of phenols from coal tar produced in multi

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  • PhenolTechnology Products Market Manufacturing

     · Phenol was first isolated from coal tar in the coking of coal but the first commercial process was the sulphonation of benzene and subsequent fusion with caustic soda. Most phenol today is synthesized under an indirect three-step process (called the cumene method).

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  • Utilisation of the binders prepared from coal tar pitch

     · The whole formed coke production process involving phenolic resin s preparation their blending coal tar pitch preparation and blending it with the phenolic resins blend coke breeze grinding mixing the blended binder with the coke breeze briquetting curing the green briquettes and carbonizing the cured briquettes at different temperatures are illustrated in Fig. 1.

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  • Fine Chemicals-Shanxi Sunlight Coking Group Co. Ltd

    Haolunke is capable of producing more than 20 kinds of fine chemical products including coal tar pitch washing oil dephenolized phenol oil light oil crude phenol crude naphthalene refined anthracene carbazole anthraquinone refined naphthalene 1-naphthol 2-naphthol asphalt mesocarbon microbeads etc. which occupy a large share in the domestic market.

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