Title:
METHOD FOR EXTRACTING NICKEL, COBALT, AND IRON FROM LOW-GRADE LATERITE NICKEL ORE
Document Type and Number:
WIPO Patent Application WO/2020/073411
Kind Code:
A1
Abstract:
A method for extracting nickel, cobalt, and iron from a low-grade laterite nickel ore: respectively treating a transitional layer laterite nickel ore and a limonite layer laterite nickel ore, the iron grade of an iron ore concentrate produced reaching 60% to 65%; at the same time, employing a resin adsorption technique and by means of evaporation, concentration, and crystallization, producing nickel sulfate and cobalt sulfate products containing 20% to 30% of nickel and containing 1% to 2.2% of cobalt, applicable as raw materials for producing a battery.
Inventors:
LIU YUQIANG (CN)
SHA BIN (CN)
LI WEIZHOU (CN)
TIAN ZHONGYUAN (CN)
WANG SHAOHUA (CN)
HUANG HAILI (CN)
HE LAIRONG (CN)
MA YONGGANG (CN)
DU HAO (CN)
MA HAIQING (CN)
CHEN XIAOLIN (CN)
WEI JIANZHOU (CN)
WANG DUOJIANG (CN)
ZHU HUI (CN)
MA MINRUI (CN)
YAO FEI (CN)
ZHANG FEI (CN)
YANG SONGLIN (CN)
QIN WEITAO (CN)
LI BOWEN (CN)
LIU SHIHE (CN)
MA JUN (CN)
SHA BIN (CN)
LI WEIZHOU (CN)
TIAN ZHONGYUAN (CN)
WANG SHAOHUA (CN)
HUANG HAILI (CN)
HE LAIRONG (CN)
MA YONGGANG (CN)
DU HAO (CN)
MA HAIQING (CN)
CHEN XIAOLIN (CN)
WEI JIANZHOU (CN)
WANG DUOJIANG (CN)
ZHU HUI (CN)
MA MINRUI (CN)
YAO FEI (CN)
ZHANG FEI (CN)
YANG SONGLIN (CN)
QIN WEITAO (CN)
LI BOWEN (CN)
LIU SHIHE (CN)
MA JUN (CN)
Application Number:
PCT/CN2018/114823
Publication Date:
April 16, 2020
Filing Date:
November 09, 2018
Export Citation:
Assignee:
JINCHUAN GROUP CO LTD (CN)
International Classes:
C22B23/00; C22B3/08
Domestic Patent References:
| WO2008138038A1 | 2008-11-20 |
Foreign References:
| CN108396157A | 2018-08-14 | |||
| CN104630464A | 2015-05-20 | |||
| CN104611549A | 2015-05-13 | |||
| CN104651634A | 2015-05-27 | |||
| CN104611581A | 2015-05-13 | |||
| US20120204680A1 | 2012-08-16 |
Attorney, Agent or Firm:
CHINA NONFERROUS METALS INDUSTRY PATENT CENTER (CN)
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