By P. W. Sage (auth.), Aysel T. Atimtay, Douglas P. Harrison (eds.)
Economic and environmental specifications for complex energy producing structures call for the removing of corrosive and different sulfurous compounds from sizzling coal fuel. After a quick account of the area strength assets and an outline of unpolluted coal applied sciences, a evaluate of regenerable steel oxide sorbents for cleansing the recent fuel is supplied. Zinc oxide, copper oxide, calcium oxide, manganese oxide dependent in addition to supported and combined steel oxide sorbents are taken care of. functionality research of those sorbents, results of varied parameters at the desulfurization potency, kinetics of sulfidation and regeneration reactions, sulfiding and regeneration mechanisms are mentioned. chapters current contemporary ends up in the direct creation of elemental sulfur from regeneration or SO2-rich gases.
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Extra info for Desulfurization of Hot Coal Gas
Example text
Welford GB and Marsha11 AR. 'The Pressurised Gasifier in the Air Blown Gasification Cycle'. 3rd International Conference on Combustion Technologies for a Clean Environment, Lisbon, Portugal, 1995. 16. Sage PW, Welford GB, Brereton C and Julien S. 'Development Issues for the Char Combustor Component of an Integrated Partial Gasification Combined Cycle System'. Proceedings of the 13th IntI Conf on FBC, Orlando, FA, May 1995. 17. Fantom IR, Cahill P and Sage PW. 'Hot Gas Cleaning - An Overview'. Paper to NATO:ASI 'Desulphurisation of Hot Coal Gas with Regenerable Metal Oxide Sorbents: New Developments'.
These studies centre on H2S, ammonia and HCI removal and are aimed towards achieving an acceptably low final emission of acid gases to atmosphere fi'om ilie gas turbine. The methodology being assessed for sulphtu· polishing is to contact ilie H2S wiili a metal oxide thus producing a metal sulphide which is then regenerated using an appropriate oxidant to produce a concentrated sulphur dioxide stream. ixed, moving and t1uidised bed reactors. in11 conclusions. Hydrogen chloride will be reduced by contacting with a suitable sorbent.
Discussions are underway with a potential industrial pru1ner to design a sidestream hot gas cleansing facility for the ABGC prototype plant in advance offull stream gaseous contaminant cleansing for a commercial ABGC plant. 4 Gas Turbine Combustion The gas turbine for the ABGC prototype plant will be based on the proven EGT Frame 6B machine. However it will be necessary to ensure that the gas turbine will bum the gasifier product gas at good efticiency and with low contaminant emissions. Major combustion test programmes are undelway both at CTDD and at EGT using both 5 inch and 10 inch combustor test rigs.