C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/26 (2006.01) C22B 3/08 (2006.01) C22B 15/00 (2006.01)
Patent
CA 2078048
Improved methods of heap leaching of copper ore with aqueous sulfuric acid solutions comprising a fluoroaliphatic surfactant are disclosed. The fluoroaliphatic surfactant increases the amount of copper values leached and recovered.
Lee Frank A.
Sierakowski Michael J.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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