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Kinetic And Mechanistic Studies Of The Steam Gasification Of Coal Chars Catalyzed By Alkali Metal Salts
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Book Synopsis Kinetic and Mechanistic Studies of the Steam Gasification of Coal Chars Catalyzed by Alkali Metal Salts by : Shang Jung Yuh
Download or read book Kinetic and Mechanistic Studies of the Steam Gasification of Coal Chars Catalyzed by Alkali Metal Salts written by Shang Jung Yuh and published by . This book was released on 1984 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Kinetic and mechanistics studies of the steam gasification of coal chars catalyzed by alkali metal salts by : Shang Jung Yuh
Download or read book Kinetic and mechanistics studies of the steam gasification of coal chars catalyzed by alkali metal salts written by Shang Jung Yuh and published by . This book was released on 1984 with total page 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:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1984 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalytic Gasification of Carbon by : Teus Wigmans
Download or read book Catalytic Gasification of Carbon written by Teus Wigmans and published by . This book was released on 1982 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalytic Gasification of Coal Using Eutectic Salt Mixtures by :
Download or read book Catalytic Gasification of Coal Using Eutectic Salt Mixtures written by and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this study are to: identify appropriate eutectic salt mixture catalysts for coal gasification; assess agglomeration tendency of catalyzed coal; evaluate various catalyst impregnation techniques to improve initial catalyst dispersion; evaluate effects of major process variables (such as temperature, system pressure, etc.) on coal gasification; evaluate the recovery, regeneration and recycle of the spent catalysts; and conduct an analysis and modeling of the gasification process to provide better understanding of the fundamental mechanisms and kinetics of the process. A review of the collected literature was carried out. The catalysts which have been used for gasification can be roughly classified under the following five groups: alkali metal salts; alkaline earth metal oxides and salts; mineral substances or ash in coal; transition metals and their oxides and salts; and eutectic salt mixtures. Studies involving the use of gasification catalysts have been conducted. However, most of the studies focused on the application of individual catalysts. Only two publications have reported the study of gasification of coal char in CO2 and steam catalyzed by eutectic salt mixture catalysts. By using the eutectic mixtures of salts that show good activity as individual compounds, the gasification temperature can be reduced possibly with still better activity and gasification rates due to improved dispersion of the molten catalyst on the coal particles. For similar metal/carbon atomic ratios, eutectic catalysts were found to be consistently more active than their respective single salts. But the exact roles that the eutectic salt mixtures play in these are not well understood and details of the mechanisms remain unclear. The effects of the surface property of coals and the application methods of eutectic salt mixture catalysts with coal chars on the reactivity of gasification will be studied. Based on our preliminary evaluation of the literature, a ternary eutectic salt mixture consisting of Li- Na- and K- carbonates has the potential as gasification catalyst. To verify the literature reported, melting points for various compositions consisting of these three salts and the temperature range over which the mixture remained molten were determined in the lab. For mixtures with different concentrations of the three salts, the temperatures at which the mixtures were found to be in complete molten state were recorded. By increasing the amount of Li2CO3, the melting temperature range was reduced significantly. In the literature, the eutectic mixtures of Li- Na- and K-carbonates are claimed to have a lower activation energy than that of K2CO3 alone and they remain molten at a lower temperature than pure K2CO3. The slow increase in the gasification rates with eutectics reported in the literature is believed to be due to a gradual penetration of the coals and coal char particles by the molten and viscous catalyst phase. The even spreading of the salt phase seems to increase the overall carbon conversion rate. In the next reporting period, a number of eutectic salts and methods of their application on the coal will be identified and tested.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1984 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Steam Gasification of Carbon Solids Catalyzed by a Nickel-potassium Mixed Oxide by : Jose Carrazza Duca
Download or read book Steam Gasification of Carbon Solids Catalyzed by a Nickel-potassium Mixed Oxide written by Jose Carrazza Duca and published by . This book was released on 1987 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalytic Coal Gasification by : Janet R. Pullen
Download or read book Catalytic Coal Gasification written by Janet R. Pullen and published by . This book was released on 1984 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Coal Abstracts written by and published by . This book was released on 1988 with total page 726 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Kinetics of Steam Gasification of Coal Char Catalyzed with Potassium Carbonate by : Norman Libni Cook
Download or read book Kinetics of Steam Gasification of Coal Char Catalyzed with Potassium Carbonate written by Norman Libni Cook and published by . This book was released on 1982 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Gas Abstracts written by and published by . This book was released on 1987 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Kinetic Study of the Role of Oxygen in Hydrogasification of Saran Char and Coal Char by : Michael Gerard Lussier
Download or read book A Kinetic Study of the Role of Oxygen in Hydrogasification of Saran Char and Coal Char written by Michael Gerard Lussier and published by . This book was released on 1992 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Steam Gasification of Alkali Carbonate Catalyzed Coal Char by : Gary Steven Datsko
Download or read book Steam Gasification of Alkali Carbonate Catalyzed Coal Char written by Gary Steven Datsko and published by . This book was released on 1985 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ERDA Energy Research Abstracts written by and published by . This book was released on 1983 with total page 974 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Clean Coal and Sustainable Energy by : Junfu Lyu
Download or read book Clean Coal and Sustainable Energy written by Junfu Lyu and published by Springer Nature. This book was released on 2021-09-29 with total page 1091 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers the proceedings of the 9th International Symposium on Coal Combustion, held in Qingdao, China in July 2019. It provides the latest research results on techniques for pulverized coal combustion and fluidized bed combustion, low-carbon energy and emission controls, and industrial applications. Highlighting research areas that are of great importance in promoting collaboration between related subjects and the technical development of coal-related fields, the book offers a valuable reference guide for researchers and engineers alike.
Book Synopsis The Direct Production of Hydrocarbons from Coal-steam Systems by : David K. Bosshardt
Download or read book The Direct Production of Hydrocarbons from Coal-steam Systems written by David K. Bosshardt and published by . This book was released on 1973 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: