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Technology Development For Iron Fischer Tropsch Catalysts Quarterly Report April June 1993
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Book Synopsis Technology Development for Iron Fischer-Tropsch Catalysts. Quarterly Report, April--June 1993 by :
Download or read book Technology Development for Iron Fischer-Tropsch Catalysts. Quarterly Report, April--June 1993 written by and published by . This book was released on 1993 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 Technology Development for Iron Fischer-Tropsch Catalysts: Technical Progress Report No. 11, March 26 - June 26, 1993 by :
Download or read book Technology Development for Iron Fischer-Tropsch Catalysts: Technical Progress Report No. 11, March 26 - June 26, 1993 written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technology Development for Iron Fischer-Tropsch Catalysts. Final Technical Report, December 18, 1990-December 17, 1993 by :
Download or read book Technology Development for Iron Fischer-Tropsch Catalysts. Final Technical Report, December 18, 1990-December 17, 1993 written by and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of Precipitated Iron Fischer-Tropsch Catalysts. Quarterly Technical Progress Report, April 1, 1995-June 30, 1995 by :
Download or read book Development of Precipitated Iron Fischer-Tropsch Catalysts. Quarterly Technical Progress Report, April 1, 1995-June 30, 1995 written by and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technology Development for Iron Fischer-Tropsch Catalysts. Technical Progress Report No. 12, June 26, 1993--September 26, 1993 by :
Download or read book Technology Development for Iron Fischer-Tropsch Catalysts. Technical Progress Report No. 12, June 26, 1993--September 26, 1993 written by and published by . This book was released on 1994 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this contract are to develop a technology for the production of active and stable iron Fischer-Tropsch catalysts for use in slurry-phase synthesis reactors and to develop a scale-up procedure for large-scale synthesis of such catalysts for process development and long-term testing in slurry bubble-column reactors. With a feed containing hydrogen (H2) and carbon monoxide (CO) in the molar ratio of 0.5 to 1.0 to the slurry bubble column reactor, the catalyst performance target is 88% CO + H2 conversion at a minimum space velocity of 2.4 NL/hr/g Fe. The desired sum of methane and ethane selectivities is no more than 4%, and the conversion loss per week is not to exceed 1%.
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Book Synopsis Technology Development for Iron Fischer-Tropsch Catalysis. Quarterly Technical Progress Report No. 3, April 1, 1995--June 30, 1995 by :
Download or read book Technology Development for Iron Fischer-Tropsch Catalysis. Quarterly Technical Progress Report No. 3, April 1, 1995--June 30, 1995 written by and published by . This book was released on 1995 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this research project is to develop the technology for the production of physically robust iron-based Fischer-Tropsch catalysts that have suitable activity, selectivity and stability to be used in the slurry phase synthesis reactor development. The catalysts that are developed shall be suitable for testing in the Advanced Fuels Development Facility at LaPorte, Texas, to produce either low- or high-alpha product distributions. Previous work by the offeror has produced a catalyst formulation that is 1.5 times as active as the {open_quotes}standard-catalyst{close_quotes} developed by German workers for slurry phase synthesis. The proposed work will optimize the catalyst composition and pretreatment operation for this low-alpha catalyst. In parallel, work will be conducted to design a high-alpha iron catalyst this is suitable for slurry phase synthesis. Studies will be conducted to define the chemical phases present at various stages of the pretreatment and synthesis stages and to define the course of these changes. The oxidation/reduction cycles that are anticipated to occur in large, commercial reactors will be studied at the laboratory scale. Catalyst performance will be determined for catalysts synthesized in this program for activity, selectivity and aging characteristics. The research is divided into four major topical areas: (a) catalyst preparation and characterization, (b) product characterization, (c) reactor operations, and (d) data assessment.
Book Synopsis Technology Development for Iron Fischer-Tropsch Catalysts. Quarterly Technical Progress Report, October-December, 1994 by :
Download or read book Technology Development for Iron Fischer-Tropsch Catalysts. Quarterly Technical Progress Report, October-December, 1994 written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technology Development for Iron Fischer-Tropsch Catalysts. Quarterly Technical Progress Report for Period Ending December 1993 by :
Download or read book Technology Development for Iron Fischer-Tropsch Catalysts. Quarterly Technical Progress Report for Period Ending December 1993 written by and published by . This book was released on 1993 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conversion data as a function of time of synthesis for the two catalysts are shown in Figures 2 and 3. In general the precipitated catalyst is more active than the iron carbide catalyst with syn-gas conversions starting at 80% as compared to 50% for the latter; however, both catalysts deactivated with increasing reaction time. A comparison of the C2, C3 and C4 olefin selectivities at 26% CO conversion (precipitated catalyst-336 hr of synthesis, iron carbide catalyst-122 hr of synthesis) are shown in Figure 4. Surprisingly the precipitated catalyst had a higher olefin content than the iron carbide catalyst. It has been reported that a similar iron carbide catalyst has higher selectivity for the production of olefins than a ''conventionally prepared'' Fe/Co catalyst. The discrepancy may be due in part to comparing the olefin selectivity of the two catalysts at different conversions. Their ''conventional catalyst'' had a C2-C4 olefin content of 37% at 72% conversion compared to 86% olefin at 55% conversion for the iron carbide catalyst. In general the olefin selectivity of a catalyst is highest at low conversions. The iron carbide catalyst of this study produces more hydrocarbons than the precipitated catalyst; furthermore, it produces a higher fraction of C3 + (86% vs. 84%) and C5+ (67% vs. 61%) hydrocarbons (Figure 5). Correspondingly, the iron carbide catalyst produces less methane and ethane than the precipitated catalyst (Figure 6). These hydrocarbon and C5+ selectivities are similar to those reported earlier.
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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 1995 with total page 1686 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
Book Synopsis Development of Precipitated Iron Fischer-Tropsch Catalysts. Quarterly Technical Progress Report for the Period 1 October 1995 - 31 December 1995 by :
Download or read book Development of Precipitated Iron Fischer-Tropsch Catalysts. Quarterly Technical Progress Report for the Period 1 October 1995 - 31 December 1995 written by and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of Precipitated Iron Fischer-Tropsch Catalysts. Quarterly Technical Progress Report, 1 January 1995-31 March 1995 by :
Download or read book Development of Precipitated Iron Fischer-Tropsch Catalysts. Quarterly Technical Progress Report, 1 January 1995-31 March 1995 written by and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technology Development for Iron Fischer-Tropsch Catalysts. Technical Progress Report Number 13, 26 September 1993--26 December 1993 by :
Download or read book Technology Development for Iron Fischer-Tropsch Catalysts. Technical Progress Report Number 13, 26 September 1993--26 December 1993 written by and published by . This book was released on 1994 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this contract are to develop a technology for the production of active and stable iron (Fe) Fischer-Tropsch catalysts for use in slurry-phase synthesis reactors and to develop a scale up procedure for large-scale synthesis of such catalysts for process development and long-term testing in slurry bubble-column reactors. With a feed containing hydrogen (H2) and carbon monoxide (CO) in the molar ratio of 0.5 to 1.0 to the slurry bubble-column reactor, the catalyst performance target is 88% CO+H2 conversion at a minimum space velocity of 2.4 NL/hr/g Fe. The desired sum of methane and ethane selectivities is no more than 4%, and the conversion loss per week is not to exceed 1%. Results are presented from experimental work performed during this report period.
Book Synopsis Development of Precipitated Iron Fischer-Tropsch Catalysts. Quarterly Technical Progress Report, 1 April 1996--30 June 1996 by :
Download or read book Development of Precipitated Iron Fischer-Tropsch Catalysts. Quarterly Technical Progress Report, 1 April 1996--30 June 1996 written by and published by . This book was released on 1996 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall contract objectives are to: (1) demonstrate repeatability of performance and preparation procedure of two high activity, high alpha iron Fischer-Tropsch catalysts synthesized at Texas A & M University (TAMU) during the DOE Contract DE-AC22-89PC89868; (2) seek potential improvements in the catalyst performance through variations in process conditions, pretreatment procedures and/or modifications in catalyst synthesis; (3) investigate performance of catalysts in a small scale bubble column slurry reactor, and (4) investigate feasibility of producing catalysts on a large scale in collaboration with a catalyst manufacturer. The performance of an iron, and iron-copper-silica catalyst are described.
Book Synopsis Government Reports Announcements & Index by :
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