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Author :
Publisher :
ISBN 13 :
Total Pages : 178 pages
Book Rating : 4.:/5 (5 download)
Download or read book Investigations on Catalyzed Steam Gasification of Biomass written by and published by . This book was released on 1981 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Investigations on Catalyzed Steam Gasification of Biomass written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. K. Mudge
Publisher :
ISBN 13 :
Total Pages : 166 pages
Book Rating : 4.:/5 (643 download)
Download or read book Investigation on Catalyzed Steam Gasification of Biomass written by L. K. Mudge and published by . This book was released on 1981 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Catalyzed Steam Gasification of Biomass. Phase II. Final Research Report written by and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Wright-Malta gasification process is characterized by low-temperature, catalyzed steam gasification in a pressurized rotary kiln. Fresh biomass moves slowly and continuously through the kiln, where it is gradually heated to around 1200°F in an atmosphere of 300 psi steam. During its traverse, pyrolysis and reaction of steam with the nascent char convert nearly all of the organic solids to the gaseous phase. The volatile pyrolysis products pass through the kiln co-currently with the solids and are similarly cracked and steam-reformed within the kiln to fixed gases. Heat for the gasification process is provided by sensible heat recovered from the product gas and the wood decomposition exotherm, making the process inherently very energy-efficient. This report summarizes the work done during the experimental, laboratory-scale phase of development of the W-M biomass gasification process. Two bench-scale experimental gasifiers were constructed and tested: the ''minikiln'', a batch-feed, rotating autoclave; and the ''biogasser'', a stationary, continuous-feed, tubular reactor with zone heating and auger transport. Studies were carried out in these reactors to determine the extent of conversion of biomass solids to gas, and the makeup of the product gas, over a wide range of process conditions. The process variables that were investigated included reactor pressure and temperature, catalyst type and concentration, moisture content and type of biomass feed.
Author : Roger H. Hooverman
Publisher :
ISBN 13 :
Total Pages : 105 pages
Book Rating : 4.:/5 (611 download)
Download or read book Catalyzed Steam Gasification of Biomass written by Roger H. Hooverman and published by . This book was released on 1979 with total page 105 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Investigations on Catalyzed Steam Gasification of Biomass. Appendix A. Feasibility Study of Methane Production Via Catalytic Gasification of 2000 Tons of Wood Per Day written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A study has been made of the economic feasibility of producing substitute natural gas (SNG) from wood via catalytic gasification with steam. The plant design in this study was developed from information on gasifier operation supplied by the Pacific Northwest Laboratory (PNL). The plant is designed to process 2000 tons per day of dry wood to SNG. Plant production is 21.6 MM scfd of SNG with a HHV of 956 Btu per scf. All process and support facilities necessary to convert wood to SNG are included. The plant location is Newport, Oregon. The capital cost for the plant is $95,115,000 - September, 1980 basis. Gas production costs which allow for return on capital have been calculated for various wood prices for both utility and private investor financing. For utility financing, the gas production costs are respectively $5.09, $5.56, $6.50, and $8.34 per MM Btu for wood costs of $5, $10, $20, and $40 per dry ton delivered to the plant at a moisture content of 49.50 wt %. For private investor financing, the corresponding product costs are $6.62, $7.11, $8.10, and $10.06 per MM Btu. The cost calculated by the utility financing method includes a return on equity of 15% and an interest rate of 10% on the debt. The private investor financing method, which is 100% equity financing, incorporates a discounted cash flow (DCF) return on equity of 12%. The thermal efficiency without taking an energy credit for by-product char is 58.3%.
Download or read book Investigations on Catalyzed Steam Gasification of Biomass written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of the study is to evaluate the technical and economic feasibility of producing specific gas products via the catalytic gasification of biomass. This report presents the results of research conducted from December 1977 to October 1980. The study was comprised of laboratory studies, process development, and economic analyses. The laboratory studies were conducted to develop operating conditions and catalyst systems for generating methane-rich gas, synthesis gases, hydrogen, and carbon monoxide; these studies also developed techniques for catalyst recovery, regeneration, and recycling. A process development unit (PDU) was designed and constructed to evaluate laboratory systems at conditions approximating commercial operations. The economic analyses, performed by Davy McKee, Inc. for PNL, evaluated the feasibility of adapting the wood-to-methane and wood-to-methanol processes to full-scale commercial operations. Plants were designed in the economic analyses to produce fuel-grade methanol from wood and substitute natural gas (SNG) from wood via catalytic gasification with steam.
Download or read book Investigations on Catalyzed Steam Gasification of Biomass. Appendix B written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A study has been made of the economic feasibility of producing fuel grade methanol from wood via catalytic gasification with steam. The plant design in this study was developed from information on gasifier operation supplied by the Pacific Northwest Laboratory (PNL), operated by Battelle. PNL obtained this information from laboratory and process development unit testing. The plant is designed to process 2000 tons per day of dry wood to methanol. Plant production is 997 tons per day of methanol with a HHV of 9784 Btu per pound. All process and support facilities necessary to convert wood to methanol are included in this study. The plant location is Newport, Oregon. The capital cost for the plant is $120,830,000 - September 1980 basis. Methanol production costs which allow for return on capital have been calculated for various wood prices for both utility and private investor financing. These wood costs include delivery to the plant. For utility financing, the methanol production costs are respectively $.45, $.48, $.55, and $.69 per gallon for wood costs of $5, $10, $20, and $40 per dry ton. For private investor financing, the corresponding product costs are $.59, $.62, $.69, and $.83 per gallon for the corresponding wood costs. Both calculation methods include a return on equity capital in the costs. The thermal efficiency of the plant is 52.9%.
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ISBN 13 :
Total Pages : 1284 pages
Book Rating : 4.U/5 (183 download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1987 with total page 1284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 972 pages
Book Rating : 4.3/5 (91 download)
Download or read book Solar Energy Update written by and published by . This book was released on 1980 with total page 972 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 368 pages
Book Rating : 4.3/5 (91 download)
Download or read book Energy: a Continuing Bibliography with Indexes written by and published by . This book was released on 1981 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1002 pages
Book Rating : 4.:/5 (31 download)
Download or read book Fossil Energy Update written by and published by . This book was released on 1981 with total page 1002 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lawrence P. Bevy
Publisher : Nova Publishers
ISBN 13 : 9781594544415
Total Pages : 240 pages
Book Rating : 4.5/5 (444 download)
Download or read book Progress in Catalysis Research written by Lawrence P. Bevy and published by Nova Publishers. This book was released on 2005 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Catalysis is a chemical or biological process whereby the presence of an external compound, a catalyst, serves as an agent to cause a chemical reaction to occur or to improve reaction performance without altering the external compound. Catalysis is a very important process from an industrial point of view since the production of most industrially important chemicals involve catalysis. Research into catalysis is a major field in applied science, and involves many fields of chemistry and physics. The new book brings together leading research in this vibrant field.
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ISBN 13 :
Total Pages : 1368 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1983 with total page 1368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Catalyzed Steam Gasification Biomass, Ph. 2 written by and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. K. Mudge
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (354 download)
Download or read book Investigations on Calatyzed Steam Gasification of Biomass written by L. K. Mudge and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Xin Fan
Publisher :
ISBN 13 :
Total Pages : 145 pages
Book Rating : 4.:/5 (847 download)
Download or read book Investigation of the Effect of In-situ Catalyst on the Steam Hydrogasification of Biomass written by Xin Fan and published by . This book was released on 2012 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt:
