Title:
METHOD FOR PRODUCING CALCIUM-CONTAINING VANADIUM SLAG BY ADDING LIME TO CONVERTER MOLTEN IRON AND LEACHING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/228750
Kind Code:
A1
Abstract:
A method for producing calcium-containing vanadium slag by adding lime to converter molten iron and a leaching method therefor, comprising: adding molten iron into a converter, adding a coolant and lime, and performing blowing using top-blowing oxygen and bottom-blowing nitrogen; when the blowing is finished, leaving vanadium slag in the converter, changing the bottom-blowing gas into oxygen, and adding CaF2, so as to prepare calcium-containing vanadium slag; and acid-leaching the calcium-containing vanadium slag to obtain a leaching solution.
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Inventors:
CHEN LIAN (CN)
ZHOU HAILONG (CN)
DIAO JIANG (CN)
GE WENSUN (CN)
ZHOU HAILONG (CN)
DIAO JIANG (CN)
GE WENSUN (CN)
Application Number:
PCT/CN2020/090081
Publication Date:
November 19, 2020
Filing Date:
May 13, 2020
Export Citation:
Assignee:
CHENGDU ADVANCED METAL MATERIAL INDUSTRIAL TECH RESEARCH INSTITUTE CO LTD (CN)
International Classes:
C21C5/36; C21C5/35; C21C7/00; C22B7/04; C22B34/22
Foreign References:
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Attorney, Agent or Firm:
CHENGDU HONGQIAO PATENT LAW OFFICE (CN)
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