B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/34 (2006.01) B01D 46/38 (2006.01) F23J 1/00 (2006.01) F23J 15/00 (2006.01)
Patent
CA 2068911
56,682 ABSTRACT OF THE DISCLOSURE Incineration of municipal solid waste (MSW) produces pollutants including hydrochloric acid, hydro- fluoric acid, sulfur compounds particularly sulfur oxides, nitrogen oxides, carbon monoxide and flyash. Disposal of MSW by incineration is not acceptable unless these pollu- tants are eliminated or reduced to a very small fraction. There is disclosed a method of processing the products of combustion of the incineration of MSW in whose practice the products of combustion are passed through a fluid-bed filter contactor including ceramic candle filters. The products of combustion are reacted with sorbents either in the contactor or in the channel through which the products are passed to the contactor to convert the acids and the sulfur compounds into solid particulate and reacted with reactants in the presence of catalysts in the contactor to decompose the nitrogen oxides into atmospheric gases. The particulate is filtered out by the filters and deposited as ash together with the flyash which is also filtered out. The carbon monoxide is oxidized by the air in the contactor to carbon dioxide. The atmospheric gases are vented to the atmosphere together with the filtered products of com- bustion.
Lippert Thomas Edwin
Newby Richard Allen
Bereskin & Parr
Westinghouse Electric Corporation
LandOfFree
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