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Title:
METHOD FOR FULL RESOURCE UTILIZATION OF GRAPHITE ORES
Document Type and Number:
WIPO Patent Application WO/2023/130790
Kind Code:
A1
Abstract:
A method for full resource utilization of graphite ores, comprising: performing preliminary sorting on raw graphite ores to obtain crystalline graphite ores/aphanitic graphite ores and low-grade graphite ores, and then separately performing treatment, comprising: sequentially performing stage grinding and stage flotation on the low-grade graphite ores to obtain graphite concentrates and graphite tailings, and then sequentially purifying and filtering the graphite concentrates to obtain the crystalline graphite ores/aphanitic graphite ores; sequentially performing flotation and concentration on the crystalline graphite ores to obtain graphite tailings and crystalline graphite concentrates, and purifying the crystalline graphite concentrates to obtain crystalline graphite; or sequentially crushing, grinding, and grading the aphanitic graphite ores to obtain graphite tailings and aphanitic graphite concentrates, and purifying the aphanitic graphite ores to obtain aphanitic graphite. The obtained graphite tailings can be used as raw materials for the preparation of 3D printed building components, composite plates, or mineral compound fertilizers.

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Inventors:
ZHANG YIHE (CN)
ZHANG NA (CN)
DI XIANGYUN (CN)
WANG XINKE (CN)
ZHANG SHUAI (CN)
Application Number:
PCT/CN2022/124896
Publication Date:
July 13, 2023
Filing Date:
October 12, 2022
Export Citation:
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Assignee:
UNIV CHINA GEOSCIENCES BEIJING (CN)
International Classes:
B03B7/00; B03B9/00; B33Y70/10; C04B28/04; C08K3/04; C08L27/06; C04B111/00
Foreign References:
CN114308373A2022-04-12
CN106513164A2017-03-22
CN109607527A2019-04-12
CN109575443A2019-04-05
CN108658546A2018-10-16
CN110903131A2020-03-24
EP0811577A11997-12-10
Attorney, Agent or Firm:
BEIJING GAOWO LAW FIRM (CN)
Download PDF:
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