Title:
FLOTATION METHOD AND METHOD FOR COLLECTING COPPER
Document Type and Number:
WIPO Patent Application WO/2022/038854
Kind Code:
A1
Abstract:
The present invention involves an arsenic flotation step of subjecting, to flotation, slurry in which mineral ores including a copper mineral substance and an arsenic mineral substance are mixed without adding a collector or with a collector added thereto in an amount of 10 g or less per 1 ton of the mineral ores to obtain: a floating ore including the arsenic mineral substance; and a tailing ore including the copper mineral substance.
Inventors:
ISHIGURO YASUNARI (JP)
MANO KODAI (JP)
SHIBAYAMA ATSUSHI (JP)
HAGA KAZUTOSHI (JP)
MANO KODAI (JP)
SHIBAYAMA ATSUSHI (JP)
HAGA KAZUTOSHI (JP)
Application Number:
PCT/JP2021/019864
Publication Date:
February 24, 2022
Filing Date:
May 25, 2021
Export Citation:
Assignee:
JX NIPPON MINING & METALS CORP (JP)
UNIV AKITA (JP)
UNIV AKITA (JP)
International Classes:
B03D1/06; C22B15/00
Domestic Patent References:
| WO2010050462A1 | 2010-05-06 |
Foreign References:
| JP2020104095A | 2020-07-09 |
Other References:
GRAHAM, LONG ET AL.: "Flotation separation of copper sulphides from arsenic minerals at Rosebery copper concentrator", MINERALS ENGINEERING, vol. 66, no. 68, 2014, pages 207 - 214, XP029060005, DOI: 10.1016/j.mineng.2014.04.003
Attorney, Agent or Firm:
AXIS PATENT INTERNATIONAL (JP)
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