Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Sulfur or sulfur containing component
Patent
1989-05-09
1990-11-27
Hart, Charles
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Sulfur or sulfur containing component
55 79, 55 73, 55 74, 55390, 55523, 55302, 422139, C01B 1700, B01D 5306
Patent
active
049734598
ABSTRACT:
An apparatus and method for cleaning hot gases containing gaseous contaminants and particulate contaminants, including sticky components where a vessel contains a walled housing and a divider which separates an enclosed area therebetween into dirty and clean gas sections. A moving bed of coarse particulate material is contained in the walled housing with gases, after flow through a portion of the moving bed, passing into the second section where hollow, ceramic, barrier filter units remove the remaining solids therefrom. Sorbent material removes gaseous contaminants, sticky components are retained in the moving bed of coarse particulate material, and the filter units remove fines so that the hot gases are discharged clean from the vessel.
REFERENCES:
patent: 2875844 (1959-03-01), Pring
patent: 3992176 (1976-11-01), Bohne et al.
patent: 4343631 (1982-08-01), Ciliberti
patent: 4475931 (1984-10-01), Cliff et al.
patent: 4645653 (1987-02-01), Kimura
patent: 4650647 (1987-03-01), Kito et al.
"The Use of Fluidized Beds to Filter Gases at High Temperatures"--European Federation of Chemical Engineering.
Ciliberti, deceased David F.
Lippert Thomas E.
Hart Charles
Westinghouse Electric Corp.
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