C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
362/12
C02F 1/72 (2006.01) C01C 3/00 (2006.01) C02F 1/58 (2006.01) C02F 1/74 (2006.01)
Patent
CA 1165474
Abstract of the Invention The cyanide content of waste waters containing the same is removed by treatment with sulfur dioxide or an alkali ox alkaline earth metal sulfite or bisulfite in the presence of excess oxygen and a metal catalyst which is preferably copper.
395013
Borbely Gyula J.
Devuyst Eric A.
Ettel Victor A.
Mosoiu Marcel A.
Schitka Konstantin J.
Inco Limited
Smart & Biggar
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