Title:
MULTISTAGE REDUCTION METHOD FOR NICKEL ORE
Document Type and Number:
WIPO Patent Application WO/2019/124977
Kind Code:
A1
Abstract:
The present invention relates to a multistage reduction method for nickel ore and, more specifically, to a multistage reduction method for nickel ore, comprising: a first reduction step of preliminarily reducing nickel iron-containing raw material by using a carbon-based solid reducing agent; and a second reduction step of reducing the nickel iron-containing raw material by using hydrogen gas to produce a raw reduction material for leaching.
Inventors:
PARK JIN-GYUN (KR)
LEE BYONG-PIL (KR)
LEE JAE-YOUNG (KR)
LEE BYONG-PIL (KR)
LEE JAE-YOUNG (KR)
Application Number:
PCT/KR2018/016248
Publication Date:
June 27, 2019
Filing Date:
December 19, 2018
Export Citation:
Assignee:
POSCO (KR)
RES INST IND SCIENCE & TECH (KR)
RES INST IND SCIENCE & TECH (KR)
International Classes:
C22B23/02; C22B5/06; C22B5/10; C22B5/12; C22B5/18
Foreign References:
| KR20160001905A | 2016-01-07 | |||
| JP2004156140A | 2004-06-03 | |||
| KR101664827B1 | 2016-10-14 | |||
| KR20100024922A | 2010-03-08 | |||
| JPH11514705A | 1999-12-14 |
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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