C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 17/02 (2006.01) B03B 5/28 (2006.01) B03B 7/00 (2006.01) B03B 9/00 (2006.01) B03D 1/001 (2006.01) B03D 1/02 (2006.01) C01B 17/027 (2006.01) C22B 3/08 (2006.01) C22B 3/20 (2006.01) C22B 3/44 (2006.01) C22B 15/00 (2006.01) C22B 23/00 (2006.01)
Patent
CA 2454854
A method of economically, industrially, and effectively recovering sulfur from a leaching residue produced by leaching sulphide minerals (e. g. copper concentrates) under atmospheric pressure includes the steps of pretreating the leaching residue with an acid solution, and selectively recovering sulfur from the leaching residue by a flotation process.
Jx Nippon Mining & Metals Corporation
Marks & Clerk
Nippon Mining & Metals Co. Ltd.
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