C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/355
C01B 7/01 (2006.01) B01D 53/00 (2006.01) B01D 53/70 (2006.01) B01D 53/86 (2006.01) C01B 7/03 (2006.01) C01B 13/22 (2006.01) C01B 33/18 (2006.01) C01B 7/00 (2006.01)
Patent
CA 1103901
Abstract of the Disclosure Waste gases containing 15% or less vaporized chlorides are processed to recover chlorine values as HC1 by filtration of particulate material followed by the adsorption of metal chlorides on carbon beds and subsequent hydrolyzing of the metal chlorides at a temperature o 100-150°C to form metal oxides and HC1. The remaining gases such COC12 are further hydrolyzed to recover aqueous HC1 and then the gases are scrubbed and finally inciner- ated to provide a discharge to the atmosphere containing CO2, N2, H2O, O2 and about 5 ppm. HC1.
296047
Carpenter Lee G.
Cedro Vito
Kinosz Donald L.
Aluminum Company Of America
Smart & Biggar
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