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refined coal solvent

Testing of personnel dosimetry devices for hazard evaluation of solvent ...

The U.S. Department of Energy's Office of Scientific and Technical Information

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Refined Petroleum and Coal Products Industries

With the help of growing demand for transportation fuels and exports, the Refined Petroleum and Coal Products industry experienced a large increase in shipments in 1996. Even with the rise in prices of these fuels in 1996, major group 36 shipments in constant 1992 dollars were still well above pre-recession highs.

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Solvent refined coal has low percentage of - McqMate

Solvent refined coal has low percentage of : A. ash: B. sulphur: C. impurities: D. All of the above: E. None of the above: Answer» d. ... Coal rank classifies coal according to its; ASTM coal classification is based on; The heating value of coal largely depends on; Pulverised coal is;

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Solids formed in a solvent-refined-coal pilot plant - ScienceDirect

The solvent-refined-coal process was developed as a method for the removal of sulphur and minerals form coal producing a clean useful fuel. The process entails the dissolution of coal in a coal-derived solvent oil under hydrogen pressure at elevated temperatures.

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Ganga Rasayanie Pvt Ltd - Manufacturer from Bharuch, India | About Us

Established in 1971, Ganga Rasayanie Pvt Ltd., today is one of the largest Manufacturers & Exporters of Solvent Naphtha, Heavy Aromatics, Aromatic 100, 150, 200, 250,310 and tailor made fractions and blends of Aromatic, Aliphatic, Paraffinic and Mineral Oils. GRPL is also specialised in Refined and Special Coal Tars and Coal tar By products ...

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(PDF) Comparison of solvent-refined lignite with solvent-refined ...

Comparison of solvent-refined lignite with solvent-refined bituminous coals Richard J. Baltisberger, Richard A. Kaba, Kenneth J. Klabunde, Kaizaburo Saito, William Sukalski, Virgil I. Stenberg and Neil F. Woolsey Department of Chemistry, University of North Dakota, Grand Forks, North Dakota 58202, USA (Received 7 November 1977) Comparison of laboratory-deashed samples of solvent-refined ...

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LC-Fining of solvent refined coal - SRC-I and short contact time coal ...

This study describes the results of processing both conventional solvent refined coal extract (SRC-1) and short contact time coal extract. Both coal extracts have been run at several space velocities, temperatures, and total reactor pressures for comparative purposes. The effect of catalyst deactivation has also been considered.

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Solvent-refined oil | Article about solvent-refined oil by The Free ...

solvent-refined oil. A lubricating oil that has been solvent-treated during refining, such as most motor, aircraft, diesel-engine, steam-turbine, and other high-quality oils. Want to thank TFD for its existence?

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solvent refined coal | SpringerLink

Share this entry. Anyone you share the following link with will be able to read this content: Get shareable link

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Solvent-refined | Article about solvent-refined by The Free Dictionary

Solvent-refined | Article about solvent-refined by The Free Dictionary solvent-refined solvent-refined [ ′säl·vənt ri‚fīnd] (chemical engineering) Pertaining to any product material whose final quality and condition is in part the result of a solvent treatment during processing of the feedstock material.

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Solvent Refined Coal (SRC) process - NASA/ADS

A blend of Kentucky 9 and 14 coal was processed and a material balance run was completed. ... Solvent Refined Coal (SRC) process Abstract. The progress of the SRC project for the month of July 1977 is reported. ... Solvent Extraction; Energy Production and Conversion; No Sources Found

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Desulfurization and Deashing of Solvent Refined Coal (SRC-I) by High ...

A pilot-scale high gradient magnetic separations (HGMS) system was assembled to investigate the magnetic separation of ash-forming solids and inorganic sulfur from liquefied coal. The liquefied coal studied was a diluted intermediate product obtained from the DOE-sponsored Tacoma SRC-I pilot plant (50 t/d coal capacity).

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A History of Coal Liquefaction in United Kingdom, 1967-1992

coal liquefaction process was developed, initially by the Spencer Chemical Company with an 80kg/h continuous unit funded by the Office of the Coal Research Council. This revival of interest stimulated the preparation of a paper describing the BCURA work on solvent extraction of coal. The paper summarised three sets of laboratory -scale experiments

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Stress corrosion studies in solvent refined coal liquefaction pilot plants

The Solvent Refined Coal (SRC) process has been dernonstr,atted by tw~ operating pilot plants: a 50-ton/d unit in Fort Lewis, Washington, and a B-tonjd plant in Wilsoaville, Alabama. There are two SRC modes, SRC--,T and SRC-I1 (Fig. 1). In the SRC-11 mode more of the dissc>l:ved coal is

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Overview of Coal-to-liquids: a Historical Perspective

also routes for direct conversion of coal into liquids (i.e., direct coal liquefaction [DL]) involving reaction of coal at high pressures and temperatures with hydrogen (H2) in the presence of solvents and catalysts, yielding synthetic crude oil that can be refined into liquid fuels.

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KR790001448B1 - Solvent refined coal process with retention of coal ...

KR790001448B1 - Solvent refined coal process with retention of coal minerals - Google Patents Coal was contacted with solvent for H and hydrocarbon to make coal-solvent slurry contacted with H. The...

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Catalyst for hydrotreating solvent refined coals and lignites

Solvent Refined Coal (SRC) prepared from Kentucky No. 9 coal in Pittsburg & Midway Coal Co.'s Tacoma pilot plant was pumped into the trickle bed reactor. Analysis of the product for percent denitrogenation showed: after 1 hour, 17%; after 2 hours, 19%; after 3 hours, 0%. Another portion of the same catalyst was placed in the trickle bed reactor ...

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Solvent refined coal - a potential low sulfur utility fuel. [removes ...

Solvent refined coal - a potential low sulfur utility fuel. [removes fly ash and sulfur] Full Record; Other Related Research; Authors: Browne, T E Publication Date: Tue Oct 26 00:00:00 EDT 1971 Research Org.: New York State Dept. of Public Services, Albany (USA)

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Separation and structure elucidation of coal molecule fragments ... - CORE

Abstract Separation and identification of the polynuclear aromatic and aliphatic fractions of solvent-refined coal and its recycle oil were performed using a combination of solvent partition and chromatographic fractionation procedures with glass-capillary gas chromatography/mass spectrometry.

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Literature survey of properties of synfuels derived from coal - NASA ...

Data on full range syncrudes, various distillate cuts, and upgraded products are presented for fuels derived from various processes, including H-coal, synthoil, solvent-refined coal, donor solvent, zinc chloride hydrocracking, co-steam, and flash pyrolysis. Some typical ranges of data for coal-derived low Btu gases are also presented.

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Coal Science: Basic Research Opportunities | Science

dorn, h.c., study of solvent refined coal by elevated-temperature c-13 fourier-transform nuclear magnetic-resonance spectrometry, analytical chemistry 51: 947 (1979). google scholar. elliott, m.a., preprints of papers. american chemical society division of fuel chemistry 19: 140 (1974).

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Coconut Based Granular Activated Carbon for Solvent Recovery

Solvent recovery activated carbon is refined with high-quality anthracite coal as raw materials. The shape is columnar, with high strength, fast adsorption speed, high adsorption capacity, large specific surface area, developed pore structure, and the pore size is between coconut shell activated carbon and wood activated carbon.

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Solvent refined lignite and solvent refined coal structural features ...

The U.S. Department of Energy's Office of Scientific and Technical Information

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Firing of pulverized solvent refined coal - International Coal Refining ...

The solvent refined coal yield is the hydrocarbon fraction having a boiling point substantially greater than 850° F. and generally represents 40 to 70 percent of the moisture ash free feed coal. Testing is underway by the U.S. Department of Energy to determine the suitability of solvent refined coal as a utility boiler fuel.

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ASTM International - ASTM D5727-00 - Standard Specification for ...

scope: 1.1 This specification covers mineral--stab ilized, concentrated, emulsified, refined coal tar suitable for use as weather-protective and aliphatic-solvent resistant coatings over bituminous pavements such as those found at airports, parking areas, and driveways. The specification for this material was previously covered by Federal Specification RP355.

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Conversion of solvent-refined coal to liquid products in the presence ...

The formation of liquid products from a solvent-refined coal (SRC) was studied using Lewis acid catalysts in the presence of either benzene or cyclohexane as an extracting solvent. The soluble products were characterized by elemental analysis, 1 H-n.m.r., and, in some experiments, by gel permeation chromatography.

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Solvent refined coal process for ''clean'' utility fuel (Conference ...

OSTI.GOV Conference: Solvent refined coal process for ''clean'' utility fuel

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Solidifying solvent refined coal. [4 claims] (Patent) | OSTI.GOV

Solidifying solvent refined coal. [4 claims] Full Record Related Research Abstract The nondistillable residue from solvent refined coal, after extraction and distillation, is sprayed into a boiling pool of a non-solvent hydrocarbon liquid, whose boiling point is at least 50/sup 0/F below the melting point of the residue.

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14 Types of Roof Coatings • Important Facts & Guidelines

7 days agoCoal Tar Pitch-Based Roof Coatings. Main Components: Refined coal tar pitch, aromatic solvent, Fuller's earth (or other stabilizer) Acceptable Substrates: Smooth-surfaced coal tar pitch built-up roofing, concrete. Unacceptable Substrates: Asphalt roofing, single-ply membranes, spray polyurethane , existing non-coal tar pitch coatings

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Solvent-Refined Coal - How is Solvent-Refined Coal abbreviated?

Category filter: Show All (177)Most Common (3)Technology (33)Government & Military (40)Science & Medicine (37)Business (29)Organizations (76)Slang / Jargon (2) Acronym Definition SRC Source SRC Source Code SRC Se Ruega Contestación (Spanish: Please Reply) SRC Santa Rosa (Amtrak station code; Santa Rosa, CA) SRC Student Representative Council SRC State ...

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High gradient magnetic separation of mineral particulates from solvent ...

High gradient magnetic separation of mineral particulates from solvent refined coal Abstract:Inorganic sulfur and ash-forming mineral matter have been removed from solvent-refined coal by high gradient magnetic separation at temperatures up to 587°F.

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Organically Bound Metals in a Solvent-Refined Coal: Metallograms for a ...

Abstract Fractions of a solvent-refined coal that contain organically bound species of magnesium, calcium, titanium, iron, copper, or zinc have been isolated. The fractions represent a wide range of chemical types and molecular size. Their isolation is a step toward speciation. Formats available

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Optimization of Solvent Extraction Process Parameters of Indian Coal ...

It was found that the maximum extraction yield was obtained for 1 h extraction time and 1:12 coal to solvent ratio. Finer mesh (0.025 mm) size in filtration was found favorable in producing low ash clean coal (CC). Under optimum conditions it was possible to produce clean coal with 6% ash and 55% yield for coals having about 29% ash.

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ASTM International - ASTM D5727-00(2004)e1

scope: 1.1 This specification covers mineral--stab ilized, concentrated, emulsified, refined coal tar suitable for use as weather-protective and aliphatic-solvent resistant coatings over bituminous pavements, such as those found at airports, parking areas, and driveways. The specification for this material was previously covered by Federal Specification RP355.

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NIOSHTIC-2 Publications Search - 00179848 - SRC site visit, solvent ...

In this process raw coal was pulverized, mixed with a solvent with a boiling range of 500 to 600 degrees-C and the resultant slurry passed through a fired preheater to a reactor. In this reactor the coal was almost completely dissolved in the solvent. Unreacted gases were removed from the process stream beyond the dissolver.

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ASTM-D5727 | Standard Specification for Emulsified Refined Coal Tar ...

1.1 This specification covers mineral--stabilized, concentrated, emulsified, refined coal tar suitable for use as weather-protective and aliphatic-solvent resistant coatings over bituminous pavements, such as those found at airports, parking areas, and driveways.

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Large Bench-scale Development of a Non-Aqueous Solvent CO2 Capture ...

Large Bench-scale Development of a Non-Aqueous Solvent CO 2 Capture Process for Coal-fired Power Plants Jak Tanthana, S. James Zhou, Paul Mobley, Aravind Rabindran, Mustapha Soukri, Vijay Gupta, and Marty Lail ... Bench-Scale Testing of Refined Solvents. 6. Absorber. 3" Sch. 10 SS316 (8.5 m) Mellapak 350X. Temp: 30-55°C. Pressure: Up to 200 ...

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Has The Market Mispriced Refined Coal? - The Market Plunger

The company provides refined coal processing, emissions testing, as well as proprietary chemical products designed to reduce erosion significantly in plants that use the refined coal (this will come into play later). ... In other words, companies are taking last ditch efforts to say solvent. The company has a healthy acquisition pipeline, and ...

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Roles of Catalyst Support in the Selective Hydrotreatment of a Solvent ...

Roles of the support in the hydrotreatment of a solvent refined coal (SRC) were studied to find a catalyst which can upgrade selectively its heavier component, comparing a natural clay and a titania as the support for the nickel-molybdenum with alumina of a commercial one. Although all supports showed similar overall activities for the ...

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What is a Naptha Solvent - Industrial Solvent Suppliers

Naptha, also known as Naphtha, is commonly used to describe various types of oils that come from crude, coal-tar, oil-sands, shale etc. Another common use of naptha is as a solvent. Naptha solvent is very strong and versatile, often used in hydrocarbon cracking, laundry soaps, and cleaning fluids among other applications.

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