Hydrogen cyanide destruction

Details Hydrogen cyanide destruction Hydrogen cyanide destruction

C - Chemistry, Metallurgy

01

B

23/31, 23/352

C01B 31/26 (2006.01) B01D 53/34 (2006.01) B01D 53/54 (2006.01) C01B 17/04 (2006.01) C01C 1/00 (2006.01)

Patent

CA 1047224

ABSTRACT OF THE DISCLOSURE A method of eliminating hydrogen cyanide, particularly hydrogen cyanide present in foul gas streams, is achieved by reacting hydrogen cyanide with hydrogen sulfide and oxygen to produce ammonia and carbon sulfides. A preferred embodiment destroys the hydrogen cyanide present in foul acid gas streams recovered from industrial gas desulfurizers, and the process is particularly useful when employed prior to a Claus or similar sulfur recovery unit. the process can also be used to produce commercial quantities of carbon disulfide.

209757

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