Titlebook: Desulfurization of Hot Coal Gas; Aysel T. Atimtay,Douglas P. Harrison Conference proceedings 1998 Springer-Verlag Berlin Heidelberg 1998 A

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Hot Gas Cleaning, Sulfiding Mechanisms in Absorption of H2S by Solids,ion and the selection of these sorbents. Sulfiding mechanisms are explained using temperature programmed sulfiding profiles of MoO./Al.O., WO./A1.O., reduced and oxidic Ni/Al.O., several supported and unsupported manganese oxides, and MnAl.O.. Also the regeneration of MnAl.O. and MnO with steam is d

Aspirin

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Performance Analysis of ZnO-Based Sorbents in Removal of H2S From Fuel Gas,ration processes. Much of the desulflirization research and development effort has used zinc-based sorbents, which are quite reactive at the temperatures and pressures of interest, have acceptable sulfur capacities, and are capable of reducing H.S concentrations to less than 20 ppmv. The sorbent mus

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Performance of Manganese-based Sorbents in High-Temperature Coal Gas Desulfurization,the regeneration with different reactants and the influence of other components on the (thermodynamics of) sulfidation of manganese based sorbents are given..The applicability of a manganese based sorbent for high temperature desulfurization of coal gas has been studied. It appears that a “duo” sorb

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Desulfurization of Coal Gas with CaO-Based Sorbents,ess. The effect of limestone addition on the hydrodynamics of a fluidized-bed gasifier and desulfurization of the product gas have been studied. The hydrodynamic characteristics of coal char/limestone mixtures, such as solid mixing and fines retention, have been studied in a 0.2-m diameter fluidizat

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Stabilization and Regeneration of Spent Sorbents,n of the sulfur must be removed from the product gas stream. Calcium-based sorbents are the prime candidates for in-bed capture of sulfur..The removal of sulfur takes place through the reaction of hydrogen sulfide with calcium-based sorbent and produces calcium sulfide, which is not stable and there

BILIO

Mixed Metal Oxide Sorbents,hemselves cannot meet the requirements of Integrated Gasification Combined Cycle (IGCC) and Integrated Gasification Fuel Cell (IGFC) applications. When metal oxides are mixed together and properly calcined, they form solid solutions and/or new solid compounds with markedly different thermodynamics,

TOXIC

Development of Supported Sorbents for Hydrogen Sulfide Removal from Fuel Gas,ia, zeolites, etc. can be used. A single or a mixture of metal oxides can be dispersed on the surface and in the pores of the support material. Thus, it may be possible to improve dispersion of active metal oxides in the solid matrix, to increase the surface area for the reaction, and to impart stru

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Regeneration of Sulfided Sorbents and Direct Production of Elemental Sulfur, The standard method of sorbent regeneration, which involves the oxidation of metal sulfide to metal oxide and SO., creates several problems. The reaction is highly exothermic and temperature excursions can cause the porous, high surface area sorbent to sinter. Addition of a diluent to the regenerat