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- W3147423753 abstract "This report summarizes the results of recent laboratory-scale studies conducted by IGT in support of (1) the development of the IGT mixed metal-oxide process for high temperature fuel gas desulfurization and (2) the development of a high capacity, mass producible sorbent for the removal of HC1 from high-temperature coal gases. The IGT mixed metal-oxide process is a conceptual process that removes sulfur-containing compounds from coal-derived fuel gases by contact with a multi-component reactive mixture of metal oxide sorbents. The objective of the process is to maximize the percentage of elemental sulfur formed during regeneration of the mixture with air and to minimize the formation of SO/sub 2/. The metal oxide sorbents tested included a cobalt oxide-silica, manganous oxide, iron oxide/chromia, iron oxide/silica, cobalt titanate, and zinc oxide. Based on the tests, the cobalt titanate, zinc oxide, and cobalt oxide/silica sorbents have been selected for further testing in a bench-scale unit. The HC1 removal sorbent being developed by IGT is based on the use of a reactive moltent mixture of either lithium and sodium carbonates or lithium and potassium carbonates contained within an inert, porous ceramic matrix. The sorbent is prepared by a technique developed by IGT for the production ofmore » a similar media used for high temperature thermal energy storage. The results of the present study indicate that this preparation procedure is viable and results in a highly reactive, high capacity sorbent for HC1 removal. Mass produced pellets containing 60 vol % of a molten alkali carbonate mixture (52 mol % Li/sub 2/CO/sub 3//48 mol % Na/sub 2/CO/sub 3/) and 40 vol % MgO were found to be able to reduce the HC1 content of a gas containing 99% CO/sub 2/, 3000 ppM H/sub 2/O and 400 ppM HC1 to about 0.75 ppM HC1 at a space velocity of 1000 h/sup -1/, 600/sup 0/C and atmospheric pressure. 11 references, 29 figures, 47 tables.« less" @default.
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- W3147423753 date "1984-06-01" @default.
- W3147423753 modified "2023-09-27" @default.
- W3147423753 title "Development of a hot gas cleanup system for integrated coal gasification/molten carbonate fuel cell power plants. Topical report, October 1982-December 1983" @default.
- W3147423753 hasPublicationYear "1984" @default.
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