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Title:
MINERAL PROCESSING METHOD FOR LOW-GRADE ZINC-CONTAINING RAW ORE
Document Type and Number:
WIPO Patent Application WO/2020/019834
Kind Code:
A1
Abstract:
A mineral processing method for a low-grade zinc-containing raw ore, in particular, relating to a mineral processing method for a low-grade zinc-containing raw ore by a calcium zincate synthesis step. The method comprises a leaching step, a decarbonization/precipitation step, the calcium zincate synthesis step, and a drying and calcining step.

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Inventors:
YUE HUIWEI (CN)
LI SHICHUAN (CN)
LONG ZHONGXIANG (CN)
JIANG TAO (CN)
LIU QUANFENG (CN)
JIANG WENYI (CN)
Application Number:
PCT/CN2019/087246
Publication Date:
January 30, 2020
Filing Date:
May 16, 2019
Export Citation:
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Assignee:
CHONGQING DONGQUN TECH CO LTD (CN)
International Classes:
C01F11/02; C22B19/20; C01G9/03; C22B3/14; C22B3/44; C22B19/34
Foreign References:
CN108588413A2018-09-28
CN108754140A2018-11-06
CN108950239A2018-12-07
CN108862371A2018-11-23
CN88102610A1988-12-28
CN1055766A1991-10-30
JPS4738754B11972-09-30
CN103145176A2013-06-12
CN107099672A2017-08-29
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