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Advanced Coal Liquefaction Quarterly Final Report July September 1995
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Book Synopsis Advanced Coal Liquefaction. Quarterly Final Report, July--September 1995 by :
Download or read book Advanced Coal Liquefaction. Quarterly Final Report, July--September 1995 written by and published by . This book was released on 1995 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: This quarterly report summarizes the comprehensive characterization of the silica-modified membrane system designed for studying the conversion of model compound {number_sign}9, 4-(1-naphthylmethyl)bibenzyl, at 400 °C. The conversion of compound {number_sign}9 through the tubular and porous surface of the membrane was determined. No reaction was observed for compound {number_sign}9 through the tubular surface at 400 °C and 200 psi. About 60-70% of compound {number_sign}9 was converted through the porous surface of the silica-modified Al2O3. Majority of the conversion (approximately 30-45%) was resulted from the breaking of bond ''d and/or e'' to form 4-(1-naphthylmethyl)ethylbenzene (or 4-(1- naphthylmethyl)methylbenzene). Minor reactions products (10-20%) were obtained via breaking of bonds a and b to form bibenzyl and methyl bibenzyl. The silica-modified Al2O3 membrane surface appears more reactive but less specific than the carbon surface (as a catalyst) reported in the literature. The result obtained from this quarter provided the background about the reactivity of the membrane surface without packed catalysts. In the next quarter, we will concentrate on the incorporation of the catalyst to evaluate the selective removal of the reaction products by the membrane.
Book Synopsis Advanced Coal Liquefaction. Final Quarterly Report, January 1, 1995-March 31, 1995 by :
Download or read book Advanced Coal Liquefaction. Final Quarterly Report, January 1, 1995-March 31, 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 Advanced Coal Liquefaction. Quarterly Technical Progress Report, April 1, 1995-June 30, 1995 by :
Download or read book Advanced Coal Liquefaction. Quarterly Technical Progress Report, April 1, 1995-June 30, 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 Advanced Coal Liquefaction. Final Quarterly Report, July 1, 1994-September 31, 1994 by :
Download or read book Advanced Coal Liquefaction. Final Quarterly Report, July 1, 1994-September 31, 1994 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 Advanced Coal Liquefaction. Final Quarterly Report, October 1, 1995--December 31, 1995 by :
Download or read book Advanced Coal Liquefaction. Final Quarterly Report, October 1, 1995--December 31, 1995 written by and published by . This book was released on 1995 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this quarter, we successfully prepared a granular catalyst required for decomposing compound number 9 in the catalytic membrane reactor. The surface and porous properties of this catalyst are similar to the properties of the ceramic membrane surface. Thus, the catalytic reaction pattern from the granular catalyst is expected to be similar to that from the membranes surface. Further, this catalyst demonstrates a typical property of acid catalysts. The catalytic membrane reactor activity will be resumed in the next quarter using the catalyst prepared in this quarter. In addition, carbon coating of this catalyst did not reduce its acidic property significantly. More study will performed to determine the role of the carbon coating.
Book Synopsis Advanced Coal Liquefaction: Quarterly Report, Final, October 1, 1994-December 31, 1994 by :
Download or read book Advanced Coal Liquefaction: Quarterly Report, Final, October 1, 1994-December 31, 1994 written by and published by . This book was released on 1994 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Direct Coal Liquefaction Concepts. Quarterly Report, July 1-September 30, 1994 by :
Download or read book Advanced Direct Coal Liquefaction Concepts. Quarterly Report, July 1-September 30, 1994 written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Coal Liquefaction written by and published by . This book was released on 1976 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coal Liquefaction by : United States. Office of Fossil Energy
Download or read book Coal Liquefaction written by United States. Office of Fossil Energy and published by . This book was released on 1976 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Coal Liquefaction. Quarterly Report, January 1, 1994-March 31, 1994 by :
Download or read book Advanced Coal Liquefaction. Quarterly Report, January 1, 1994-March 31, 1994 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 Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1996 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Coal Liquefaction. Final Quarterly Report, April 1, 1996--June 30, 1996 by :
Download or read book Advanced Coal Liquefaction. Final Quarterly Report, April 1, 1996--June 30, 1996 written by and published by . This book was released on 1997 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Molecular level liquid phase separations were explored using modified microporous ceramic membrane with pore size reduced from 40Å via chemical vapor deposition. At room temperature, membranes with pore sizes 30Å were sufficient to achieve97% rejection of Naphthyl-bibenzyl-methane (NBBM) from toluene, which was primarily attributed to size exclusion due to hindered diffusion. The rejection diminishes dramatically as the temperature is increased. At 400°C, very small pore sizes are required to separate NBBM from tetralin. In addition to size based separation, active transport at the surface of the membrane was observed at appropriate pore sizes. Also, it was found that the rejection increases along with the transmembrane pressure, probably attributed to the pore size distribution of the membrane. The smaller pore sizes become accessible to the solvent at the higher pressure. Decomposition of NBBM took place at 400°C in a modified membrane packed with the catalyst synthesized using the similar protocol as membranes. The separation property of this membrane at 400°C was analyzed indirectly based upon the reaction product distribution.
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 Advanced Coal Liquefaction. Final Quarterly Report, January 1, 1996--March 31, 1996 by :
Download or read book Advanced Coal Liquefaction. Final Quarterly Report, January 1, 1996--March 31, 1996 written by and published by . This book was released on 1997 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coal liquid upgrading using compound No. 9, 4-(1-naphthymethyl) bibenzyl, as a model was performed in a catalytic membrane reactor in this quarter. Membrane packed with granular catalyst synthesized from Si-CVD coatedy-Al2O3 was used as a reactor. A control was also performed using the same reactor under a packed-bed operation mode. About 52% conversion of compound No. 9 was obtained in a packed-bed at 400°C and 200 psi. Under a similar operating condition, compound No. 9 was completely decomposed in the catalytic membrane reactor. The results offer the experimental evidence of enhanced upgrading efficiency of upgrading coal liquid using a membrane reactor. A similar study will be duplicated before the end of the contract.
Download or read book Fossil Energy Update written by and published by . This book was released on 1976 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalytic Multi-stage Liquefaction of Coal. Final Eighth Quarterly Report, 1 July 1994-30 September 1994 by :
Download or read book Catalytic Multi-stage Liquefaction of Coal. Final Eighth Quarterly Report, 1 July 1994-30 September 1994 written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Coal liquefaction written by and published by . This book was released on 1975 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
