Title:
METHOD FOR RECOVERING Cu AND METHOD OF PREPARING ELECTROLYTIC COPPER
Document Type and Number:
WIPO Patent Application WO/2019/131977
Kind Code:
A1
Abstract:
Providing a method of recovering Cu from copper ore containing Hg. A method for recovering Cu from copper ore, the method comprising: (A) providing copper ore containing Hg with an amount of 0.2 ppm or more; (B) treating the copper ore to leach Cu and Hg with use of solution containing iodide ions and Fe (3+); and (C) treating post-leaching solution with activated carbon to absorb the iodide ions and Hg.
Inventors:
FUKANO YUKEN (JP)
Application Number:
PCT/JP2018/048383
Publication Date:
July 04, 2019
Filing Date:
December 27, 2018
Export Citation:
Assignee:
JX NIPPON MINING & METALS CORP (JP)
International Classes:
C22B15/00
Domestic Patent References:
| WO2017043668A1 | 2017-03-16 |
Foreign References:
| JP2011042858A | 2011-03-03 | |||
| JPS5711225B2 | 1982-03-03 | |||
| JP2011190520A | 2011-09-29 | |||
| JP2013001634A | 2013-01-07 | |||
| JP4565025B2 | 2010-10-20 | |||
| JP4950257B2 | 2012-06-13 |
Other References:
MARSH, HARRY; RODRIGUEZ-REINOSO, FRANCISCO: "Activated Carbon", 29 December 2006, ELSEVIER, Amsterdam, ISBN: 0-08-044463-6, XP040425575
HENRY SALOMON-DE-FRIEDBERG ET AL: "TACKLING IMPURITIES IN COPPER CONCENTRATES", ALTA CONFERENCE PROCEEDINGS 2015, 30 May 2015 (2015-05-30), XP055561200, Retrieved from the Internet [retrieved on 20190225]
CORREIA M J N ET AL: "The leaching of tetrahedrite in ferric chloride solutions", HYDROMETALLU, ELSEVIER SCIENTIFIC PUBLISHING CY. AMSTERDAM, NL, vol. 57, no. 2, 1 September 2000 (2000-09-01), pages 167 - 179, XP004228976, ISSN: 0304-386X, DOI: 10.1016/S0304-386X(00)00106-7
HENRY SALOMON-DE-FRIEDBERG ET AL: "TACKLING IMPURITIES IN COPPER CONCENTRATES", ALTA CONFERENCE PROCEEDINGS 2015, 30 May 2015 (2015-05-30), XP055561200, Retrieved from the Internet
CORREIA M J N ET AL: "The leaching of tetrahedrite in ferric chloride solutions", HYDROMETALLU, ELSEVIER SCIENTIFIC PUBLISHING CY. AMSTERDAM, NL, vol. 57, no. 2, 1 September 2000 (2000-09-01), pages 167 - 179, XP004228976, ISSN: 0304-386X, DOI: 10.1016/S0304-386X(00)00106-7
Attorney, Agent or Firm:
AXIS Patent International (JP)
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