Title:
ステンレス鋼精錬時の還元剤低減方法
Document Type and Number:
Japanese Patent JP6435026
Kind Code:
B2
Abstract:
Disclosed is a reducing agent decreasing method for promoting reduction while reducing an amount of a reducing agent by inputting a carbon-containing composite material into slag containing valuable metal in a stainless steel refining process. According to one embodiment of the present invention, the reducing agent decreasing method in refining stainless steel: includes a decarburization step of removing carbon by taking oxygen; and a reduction step of inputting a reducing agent so as to reduce the valuable metal, wherein the carbon-containing composite material is inputted before the reducingagent is inputted.
Inventors:
Stone min o
Car
Narukawa Chor
Kim Yong Yong
Car
Narukawa Chor
Kim Yong Yong
Application Number:
JP2017143585A
Publication Date:
December 05, 2018
Filing Date:
July 25, 2017
Export Citation:
Assignee:
POSCO
International Classes:
C21C7/00; C21C7/04; C21C7/068; C21C7/072
Domestic Patent References:
| JP61106744A | ||||
| JP61279608A | ||||
| JP62020812A | ||||
| JP10025507A | ||||
| JP58164715A | ||||
| JP11036007A |
Attorney, Agent or Firm:
Kyosei International Patent Office