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Author : Science Applications, inc
Publisher :
ISBN 13 :
Total Pages : 339 pages
Book Rating : 4.:/5 (254 download)
Download or read book Coal Gas Desulfurization at High Temperatures written by Science Applications, inc and published by . This book was released on 1984 with total page 339 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G. Steinfeld
Publisher :
ISBN 13 :
Total Pages : 146 pages
Book Rating : 4.:/5 (827 download)
Download or read book Status of METC Investigations of Coal Gas Desulfurization at High Temperature written by G. Steinfeld and published by . This book was released on 1984 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Aysel T. Atimtay
Publisher : Springer Science & Business Media
ISBN 13 : 3642589774
Total Pages : 409 pages
Book Rating : 4.6/5 (425 download)
Download or read book Desulfurization of Hot Coal Gas written by Aysel T. Atimtay and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: Economic and environmental requirements for advanced power generating systems demand the removal of corrosive and other sulfurous compounds from hot coal gas. After a brief account of the world energy resources and an overview of clean coal technologies, a review of regenerable metal oxide sorbents for cleaning the hot gas is provided. Zinc oxide, copper oxide, calcium oxide, manganese oxide based as well as supported and mixed metal oxide sorbents are treated. Performance analysis of these sorbents, effects of various parameters on the desulfurization efficiency, kinetics of sulfidation and regeneration reactions, sulfiding and regeneration mechanisms are discussed. Two chapters present recent results in the direct production of elemental sulfur from regeneration or SO2-rich gases.
Author :
Publisher :
ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.:/5 (873 download)
Download or read book Mechanistic and Kinetic Studies of High-temperature Coal Gas Desulfurization Sorbents written by and published by . This book was released on 1991 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of this project was to investigate the properties of and evaluate mixed oxides of zinc and titanium for hot fuel gas desulfurization. Uncombined ZnO was also investigated as a base case. Detailed investigation of the reduction and sulfidation reactions of Zn-Ti-O sorbents was performed. The intrinsic kinetics and the product layer diffusion rates in reduction and sulfidation were determined. Kinetic experiments with sorbents containing various Zn/Ti atomic ratios were performed. Chemical phase and structural transformations were followed by various methods. The results were compared to similar experiments performed with ZnO. The purpose of these experiments was to determine how the presence of titanium dioxide affects the reduction and sulfidation of ZnO. This information would be used to identify and select the sorbent composition that gives the best combination of low reduction rate and acceptable sulfidation performance at temperatures exceeding 600°C. (VC).
Author : Chee-Meng Lee
Publisher :
ISBN 13 :
Total Pages : 128 pages
Book Rating : 4.:/5 (178 download)
Download or read book Desulfurization of Coal Gas at High Temperature with Copper-oxides written by Chee-Meng Lee and published by . This book was released on 1986 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gary D. Focht
Publisher :
ISBN 13 :
Total Pages : 522 pages
Book Rating : 4.:/5 (215 download)
Download or read book High Temperature Coal-gas Desulfurization written by Gary D. Focht and published by . This book was released on 1988 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract.
Author : G. D. Focht
Publisher :
ISBN 13 :
Total Pages : 261 pages
Book Rating : 4.:/5 (476 download)
Download or read book High Temperature Coal-gas Desulfurization written by G. D. Focht and published by . This book was released on 1990 with total page 261 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Aloijsius Gerhardus Johannes van der Ham
Publisher :
ISBN 13 : 9789090072982
Total Pages : 215 pages
Book Rating : 4.0/5 (729 download)
Download or read book Regenerative High Temperature Desulfurization of Coal Gas in a Circulating Fluidized Bed written by Aloijsius Gerhardus Johannes van der Ham and published by . This book was released on 1994 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.:/5 (685 download)
Download or read book Mechanistic and Kinetic Studies of High-temperature Coal Gas Desulfurization Sorbents. Final Report, July 1988--July 1991 written by and published by . This book was released on 1991 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of this project was to investigate the properties of and evaluate mixed oxides of zinc and titanium for hot fuel gas desulfurization. Uncombined ZnO was also investigated as a base case. Detailed investigation of the reduction and sulfidation reactions of Zn-Ti-O sorbents was performed. The intrinsic kinetics and the product layer diffusion rates in reduction and sulfidation were determined. Kinetic experiments with sorbents containing various Zn/Ti atomic ratios were performed. Chemical phase and structural transformations were followed by various methods. The results were compared to similar experiments performed with ZnO. The purpose of these experiments was to determine how the presence of titanium dioxide affects the reduction and sulfidation of ZnO. This information would be used to identify and select the sorbent composition that gives the best combination of low reduction rate and acceptable sulfidation performance at temperatures exceeding 600°C. (VC).
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Download or read book Status of METC Investigations of Coal Gas Desulfurization at High Temperature. [Zinc Ferrite]. written by and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This report documents the continuing effort at the US Department of Energy/Morgantown Energy Technology Center (METC) to develop a hot-gas desulfurization process for coal-derived gas, primarily for application to molten carbonate fuel cells. Metal oxide sorbents were tested on lab-scale test equipment, and it was determined that scale-up of the process was warranted. A larger, skid-mounted test unit was therefore designed, constructed, and installed on a sidestream of the DOE/METC fixed-bed gasifier. A first series of tests was conducted during Gasifier Run 101. These tests served to shake down the test unit, and provide data on the performance of the test unit operating on coal-derived gas. Overall, the process operated well on fixed-bed, air-blown gasifier gas. Sulfur levels in exit dry gas were reduced to less than 10 ppM. Regeneration appears to restore the sulfur-removing capacity of the sorbent. Sorbent integrity was maintained during the test period, which incorporated three sulfidations. It is recommended that treatment of the regeneration offgas be investigated, and that testing and development of a system to reduce the sulfur in this gas to elemental sulfur be initiated. In addition, it is suggested that a multiple reactor system be planned for continuous operation, to allow for long-term tests of downstream users of desulfurized gas. 7 references, 18 figures, 9 tables.
Author : Rachid Ben Slimane
Publisher :
ISBN 13 :
Total Pages : 444 pages
Book Rating : 4.:/5 (319 download)
Download or read book Desulfurization of Hot Coal-derived Fuel Gases with Manganese-based Regenerable Sorbents written by Rachid Ben Slimane and published by . This book was released on 1994 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Albertus Bernardus Maria Heesink
Publisher :
ISBN 13 : 9789090076195
Total Pages : 239 pages
Book Rating : 4.0/5 (761 download)
Download or read book High Temperature Coal Gas Desulfurization written by Albertus Bernardus Maria Heesink and published by . This book was released on 1994 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Barbara Toole-O'Neil
Publisher : Springer Science & Business Media
ISBN 13 : 1461549515
Total Pages : 895 pages
Book Rating : 4.4/5 (615 download)
Download or read book Dry Scrubbing Technologies for Flue Gas Desulfurization written by Barbara Toole-O'Neil and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 895 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dry sulfurization processes offer the significant advantages of low capital and low operating costs when compared to wet desulfurization. They hold great potential for the economical reduction of sulfur emissions from power utilities that use high-sulfur coal. Dry Scrubbing Technologies for Flue Gas Desulfurization represents a body of research that was sponsored by the State of Ohio's Coal Development Office for the development of technologies that use coal in an economic, environmentally-sound manner. One of the project's major goals was the development of dry, calcium-based sorption processes for removing sulfur dioxide from the combustion gases produced by high-sulfur coal. Dry Scrubbing Technologies for Flue Gas Desulfurization highlights a number of fundamental research findings that have had a significant and lasting impact in terms of scientific understanding. For example, the experimental investigation of the upper-furnace sulfur capture obtained time-resolved kinetic data in less than 100 millisecond time-scales for the first time ever, thereby revealing the true nature of the ultra-fast and overlapping phenomena. This was accomplished through the development of a unique entrained flow reactor system. The authors also identify a number of important areas for future research, including reaction mechanisms, sorbent material, transport effects, modeling, and process development. Dry Scrubbing Technologies for Flue Gas Desulfurization will appeal to both chemical and environmental engineers who examine different ways touse coal in a more environmentally benign manner. It will make an essential reference for air pollution control researchers from coal, lime, cement, and utility industries; for government policy-makers and environmental regulatory agencies; and for those who teach graduate courses in environmental issues, pollution control technologies, and environmental policy.
Author : Jiang Wu
Publisher : Springer
ISBN 13 : 9811068178
Total Pages : 162 pages
Book Rating : 4.8/5 (11 download)
Download or read book High-Temperature H2S Removal from IGCC Coarse Gas written by Jiang Wu and published by Springer. This book was released on 2017-11-07 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides extensive information on high-temperature H2S removal for integrated gasification combined cycle (IGCC) coarse gas, together with briefly introductions to the concept of clean coal technology, and to the mechanism and kinetics of hot coal gas desulfurizers. Readers will gain a comprehensive understanding of available control methods for high-temperature H2S removal in IGCC coarse gas and how the technology has been adopted by industry. As such, the book offers a unique resource for researchers and engineers in the fields of energy science and technology, environmental science and technology, and chemical engineering.
Author :
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (684 download)
Download or read book Advanced Hot-Gas Desulfurization Sorbents written by and published by . This book was released on 1996 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this project is to develop advanced hot-gas desulfurization sorbents for relatively low temperature application that show stable and high sulfidation reactivity at 343 to 538 °C. A number of zinc-based formulations will be prepared and screened for testing in a fixed-bed reactor at high pressure (1 to 20 atm) and high temperatures using simulated coal-derived fuel gases. One of the superior formulations will be tested for long- term durability and chemical reactivity in the reactor. To prevent sulfation, catalyst additives will be investigated, which would promote a lower regeneration temperature.
Author : Renee van Yperen
Publisher :
ISBN 13 : 9789039309018
Total Pages : 182 pages
Book Rating : 4.3/5 (9 download)
Download or read book On the High-temperature Desulphurization of Coal Gas written by Renee van Yperen and published by . This book was released on 1994 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Federal Power Commission
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.:/5 (35 download)
Download or read book The Status of Flue Gas Desulfurization Applications in the United States written by United States. Federal Power Commission and published by . This book was released on 1977 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
