Title:
METHOD FOR SMELTING OXIDE ORE
Document Type and Number:
WIPO Patent Application WO/2017/183666
Kind Code:
A1
Abstract:
Provided is a smelting method for producing metal by reducing a mixture that includes an oxide ore such as nickel oxide ore, wherein it is possible to improve productivity by raising the metal recovery rate as well as to inexpensively and efficiently produce high-quality metal. The present invention is a smelting method in which: an oxide ore and a carbonaceous reducing agent are mixed; the resulting mixture is heated and subjected to a reduction treatment; and metal and slag, which are reduction products, are obtained, wherein the reduction treatment is carried out in a state in which one or more surface deposits selected from carbonaceous reducing agents, metal oxides, and oxidation inhibitors are deposited on the surface of the mixture.
Inventors:
ISEKI TAKASHI (JP)
GODA YUKIHIRO (JP)
KOBAYASHI JUN-ICHI (JP)
OKADA SHUJI (JP)
GODA YUKIHIRO (JP)
KOBAYASHI JUN-ICHI (JP)
OKADA SHUJI (JP)
Application Number:
PCT/JP2017/015776
Publication Date:
October 26, 2017
Filing Date:
April 19, 2017
Export Citation:
Assignee:
SUMITOMO METAL MINING CO (JP)
International Classes:
C22B1/245; C22B5/10; C22B23/02
Domestic Patent References:
| WO2016056362A1 | 2016-04-14 |
Foreign References:
| JP2016030835A | 2016-03-07 | |||
| JP2001294921A | 2001-10-26 | |||
| JP2005220398A | 2005-08-18 | |||
| JP2007231418A | 2007-09-13 |
Other References:
See also references of EP 3447157A4
Attorney, Agent or Firm:
SHOBAYASHI, Masayuki et al. (JP)
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