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Title:
ヒ素含有及び/又はアンチモン含有硫化銅濃縮物から銅を回収するためのプロセス
Document Type and Number:
Japanese Patent JP6629238
Kind Code:
B2
Abstract:
A process for the extraction of copper from a feed material comprising at least one of arsenic and antimony-bearing copper sulphide minerals is provided. The process includes fine-grinding the feed material and after fine-grinding, subjecting the feed material to pressure oxidation in the presence of surfactant and a halogen to produce a product slurry. The process also includes subjecting the product slurry to liquid/solid separation to obtain a pressure oxidation filtrate and solids comprising at least one of a compound of arsenic and a compound of antimony, and recovering copper from the pressure oxidation filtrate.

Inventors:
Henry Salomon-Do-Friedberg
Hee Men Jung
Application Number:
JP2016567744A
Publication Date:
January 15, 2020
Filing Date:
April 16, 2015
Export Citation:
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Assignee:
Tech Resources Limited
Aurbis Akchen Gezel Shaft
International Classes:
C22B15/00; C22B3/04; C22B3/08; C22B30/02; C22B30/04
Domestic Patent References:
JP11506166A
JP2005523383A
JP2008518108A
JP2010024511A
JP2000219920A
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Atsushi Ebiya
Naori Kota
Satoshi Deno
Kenji Kimura