C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 5/10 (2006.01) C10B 55/00 (2006.01) C10J 3/66 (2006.01) C10J 3/84 (2006.01) C22B 11/08 (2006.01)
Patent
CA 2108182
Calcium carbonate scale deposits, occurring in gold and silver mining involving the cyanidation process which utilizes heap and vat leaching, and carbon-in-pulp, carbon-in-leach, particularly activated carbon separation columns; said scale deposits forming on the carbon surfaces and in the emitters and sprinklers of the heap leaching system, are controlled using polyether polyamino methylene phosphonates, which provide effective inhibition despite the severe conditions encountered in these systems, including very high pH's.
Alfano Nicholas J.
Boffardi Bennett P.
Calgon Corporation
Goudreau Gage Dubuc
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