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Cooperative Research Program In Coal Liquefaction Quarterly Report August 1 1991 October 31 1991
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Book Synopsis Cooperative Research Program in Coal Liquefaction. Quarterly Report, August 1, 1991--October 31, 1991 by :
Download or read book Cooperative Research Program in Coal Liquefaction. Quarterly Report, August 1, 1991--October 31, 1991 written by and published by . This book was released on 1991 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Quarterly Report on coal liquefaction research includes discussion in the areas of (1) Iron Based Catalysts for Coal Liquefaction; (2) Exploratory Research on Coal Conversion; (3) Novel Coal Liquefaction Concepts; (4) Novel Catalysts for Coal Liquefaction. (VC).
Download or read book Energy Research Abstracts written by and published by . This book was released on 1995 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cooperative Research Program in Coal Liquefaction. Quarterly Report, November 1, 1991--January 31, 1992 by :
Download or read book Cooperative Research Program in Coal Liquefaction. Quarterly Report, November 1, 1991--January 31, 1992 written by and published by . This book was released on 1992 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research continues on coal liquefaction in the following areas: (1) Iron Based Catalysts for Coal Liquefaction; (2) Exploratory Research on Coal Conversion; (3) Novel Coal Liquefaction Concepts; (4) Novel Catalysts for Coal Liquefaction. (VC).
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1994 with total page 1688 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1993-02 with total page 1446 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fossil Energy Update written by and published by . This book was released on 1982 with total page 936 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cooperative Research Program in Coal Liquefaction. Quarterly Report, May 1, 1993--October 31, 1993 by :
Download or read book Cooperative Research Program in Coal Liquefaction. Quarterly Report, May 1, 1993--October 31, 1993 written by and published by . This book was released on 1994 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report summarizes progress in four areas of research under the general heading of Coal Liquefaction. Results of studies concerning the coliquefaction of coal with waste organic polymers or chemical products of these polymers were reported. Secondly, studies of catalytic systems for the production of clean transportation fuels from coal were discussed. Thirdly, investigations of the chemical composition of coals and their dehydrogenated counterparts were presented. These studies were directed toward elucidation of coal liquefaction processes on the chemical level. Finally, analytical methodologies developed for in situ monitoring of coal liquefaction were reported. Techniques utilizing model reactions and methods based on XAFS, ESR, and GC/MS are discussed.
Download or read book Insaniat written by and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cooperative Research Program in Coal Liquefaction. Technical Report, May 1, 1994--October 31, 1994 by :
Download or read book Cooperative Research Program in Coal Liquefaction. Technical Report, May 1, 1994--October 31, 1994 written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Progress reports are presented for the following tasks: coliquefaction of coal with waste materials; catalysts for coal liquefaction to clean transportation fuels; fundamental research in coal liquefaction; and in situ analytical techniques for coal liquefaction and coal liquefaction catalysts.
Book Synopsis Cooperative Research in Coal Liquefaction. Final Report, May 1, 1991--April 30, 1992 by :
Download or read book Cooperative Research in Coal Liquefaction. Final Report, May 1, 1991--April 30, 1992 written by and published by . This book was released on 1996 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: Extensive research continued on catalysts based on novel anion-treated (mainly sulfated) oxides and oxyhydroxides of iron [Fe(subscript x)O{sub y}/SO4]. In addition, sulfated oxides of tin as well as molybdenum promoted iron oxides were used. Incorporation of small amounts of sulfate, molybdate, or tungstate anions by wet precipitation/impregnation methods was found to increase the surface acidic character of iron oxides; more importantly, it reduced the grain sizes significantly with corresponding increases in specific surface areas. These anion-treated iron and tin oxides were more active for direct coal liquefaction and coal-heavy oil coprocessing than their untreated counterparts. With these catalyst systems, higher conversion levels are obtained as compared to the soluble precursors of iron and molybdenum at the same catalyst metalloading (3500 ppm iron and 50 ppm molybdenum with respect to coal). Sulfated iron oxides and oxyhydroxides were equally active as coal liquefaction catalysts. The sulfate, molybdate, and tungstate anions were found to have similar promotional effects on the properties and activities of iron oxides. One step in the synthesis of anion-treated iron and tin oxides is precipitation as hydroxides using either urea or ammonium hydroxide. The catalysts prepared using urea as a precipitation agent were more reproducible than those using ammonium, hydroxide in terms of activities and properties. These catalysts/catalyst precursors were characterized by several techniques to determine their physical (size and structure related) and chemical (acidity) properties. Sulfated and molybdated iron oxides were found to have grain sizes as small as 10-20 nm. An attempt was made to correlate the physicochemical properties of these catalysts with their activity for coal liquefaction.
Book Synopsis Coal Liquefaction Process Streams Characterization and Evaluation. Quarterly Technical Progress Report, October 1--December 31, 1991 by :
Download or read book Coal Liquefaction Process Streams Characterization and Evaluation. Quarterly Technical Progress Report, October 1--December 31, 1991 written by and published by . This book was released on 1992 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: CONSOL R & D is conducting a three-year program to characterize process and product streams from direct coal liquefaction process development projects. The program objectives are two-fold: (1) to obtain and provide appropriate samples of coal liquids for the evaluation of analytical methodology, and (2) to support ongoing DOE-sponsored coal liquefaction process development efforts. The two broad objectives have considerable overlap and together serve to provide a bridge between process development and analytical chemistry.
Book Synopsis Low Severity Coal Liquefaction Promoted by Cyclic Olefins. Quarterly Report, October 1991--December 1991 by :
Download or read book Low Severity Coal Liquefaction Promoted by Cyclic Olefins. Quarterly Report, October 1991--December 1991 written by and published by . This book was released on 1991 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this project is to evaluate the efficacy of low severity coal liquefaction in the presence of highly reactive hydrogen donors, cyclic olefins. The work that was performed this quarter involved performing a literature search in which different aspects of low severity coal liquefaction were examined. In addition, two new maters̀ graduate students learned the fundamental differences between high severity coal liquefaction and low severity coal liquefaction by examining the literature and reading texts on coal liquefaction. The literature review presented for the first quarters̀ work is a compilation of the material which we have found to data involving low severity coal liquefaction. Additional review of low severity liquefaction literature is being conducted this quarter and will be reported in the next quarterly report. In addition, a summary of the work involving the reactivity of cyclic olefins in the absence and presence of coal will be presented next quarter.
Book Synopsis Steam Pretreatment for Coal Liquefaction. Fifth Quarterly Report, 1 October 1991--31 December 1991 by :
Download or read book Steam Pretreatment for Coal Liquefaction. Fifth Quarterly Report, 1 October 1991--31 December 1991 written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Steam pretreatment is the reaction of coal with steam at temperatures well below those usually used for solubilization. The objective of the proposed work is to test the application of steam pretreatment to coal liquefaction. Installation of the stirred autoclave for conventional slurry liquefaction (slow heating) was completed and preliminary testing carried out. Two liquefaction tests with untreated Illinois No. 6 coal gave satisfactory results. An additional pretreatment test of Blind Canyon coal was conducted this quarter which confirms the tentative conclusions previously reached: volatiles yields are increased by the addition of sulfided iron catalyst; it is not possible to ascertain (by the procedure used) whether extraction yield decreases or remains constant. Chromatographic separation and analysis of the products from treated[alpha]-benzylnaphthyl ether has been continued. A transformation of the product over several weeks has been noted. The[sup 1]H nmr spectrum of this product obtained in a glass lined reactor is found to be different from that obtained previously in a stainless steel reactor. The model compound[alpha]-naphthylmethyl phenyl ether has been steam pretreated and the analysis of its liquid product started. Three major components have been identified.
Book Synopsis Coal Liquefaction Process Streams Characterization and Evaluation. Quarterly Technical Progresss Report, January 1--March 31, 1991 by :
Download or read book Coal Liquefaction Process Streams Characterization and Evaluation. Quarterly Technical Progresss Report, January 1--March 31, 1991 written by and published by . This book was released on 1991 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: Consol R & D is conducting a three-year program to characterize process and product streams from direct coal liquefaction process development projects. The program objectives are two-fold: (1) to obtain and provide appropriate samples of coal liquids for the evaluation of analytical methodology, and (2) to support ongoing DOE-sponsored coal liquefaction process development efforts. The two broad objectives have considerable overlap and together serve to provide a bridge between process development and analytical chemistry.
Book Synopsis Optimization of Reactor Configuration in Coal Liquefaction. Fifth Quarterly Report, 1 October--31 October 1992 by :
Download or read book Optimization of Reactor Configuration in Coal Liquefaction. Fifth Quarterly Report, 1 October--31 October 1992 written by and published by . This book was released on 1993 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: This quarterly report covers activities of Optimization of Reactor Configuration in Coal Liquefaction during the period October 1 - December 31, 1992, at Hydrocarbon Research, Inc. in Lawrenceville and Princeton, New Jersey. This DOE contract period is from October 1, 1991 to September 30, 1993. The overall objective of the program is to achieve a new approach to liquefaction that generates an all distillates product slate at reduced cost of about $25 per barrel of crude oil equivalent. The quarterly report covers work on Laboratory Support, Laboratory Scale Operations, Technical Assessment, and Project Management. Work undertaken in this fifth quarter concerned with completing the analyses of recovered catalysts from the previous fixed bed tests and the planning of microautoclave tests to evaluate the three-stage and interstage stream reconcentration concepts.
Book Synopsis Coal Liquefaction Process Streams Characterization and Evaluation. Quarterly Technical Progress Report, July 1--September 30, 1991 by :
Download or read book Coal Liquefaction Process Streams Characterization and Evaluation. Quarterly Technical Progress Report, July 1--September 30, 1991 written by and published by . This book was released on 1991 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: Consol R & D is conducting a three-year program to characterize process and product streams from direct coal liquefaction process development projects. The program objectives are two-field: (1) to obtain and provide appropriate samples of coal liquids for the evaluation of analytical methodology, and (2) to support ongoing DOE-sponsored coal liquefaction process development efforts. The two broad objectives have considerable overlap and together serve to provide a bridge between process development and analytical chemistry.
Book Synopsis Cooperative Research Program in Coal Liquefaction by :
Download or read book Cooperative Research Program in Coal Liquefaction written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
