C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
362/54
C02F 1/58 (2006.01)
Patent
CA 1157588
METHOD FOR THE REMOVAL OF FREE AND COMPLEX CYANIDES FROM WATER ABSTRACT OF THE DISCLOSURE Cyanide (free or as a metal complex) dissolved in an aqueous solution such as waste waters is substantially completely removed by the addition of ferrous bisulfite which forms insoluble Prussian blue and other non-toxic reaction products.
388942
Engineering & Technical Consultants Inc.
Fetherstonhaugh & Co.
Homestake Mining Company
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