... 400 Cyanide in Water and SoilHydrogen peroxide provides another alternative in treating free and weakly complexed metalcyanides in waters and wastewaters. Although H2O2is a weaker oxidizing ... R., Tandi, B., and Iamarino, P.F., INCO’s cyanide removaltechnology working well, Mining Eng., Feb., 2 05, 1991.27. Devuyst, E.A., Tandi, B., and Conard, B.R. Treatment of cyanide ferrocyanide ... full-scale continuous flowalkaline chlorination unit for treating free and WAD cyanide. treatment of cyanide in tailings pond decant water [9]. Although the figure shows chlorine gas beingused, this...