BR112019025160A2 - Método para processar um minério concentrado de terras raras e sistema para realizar um método para processar um minério concentrado de terras raras - Google Patents

Método para processar um minério concentrado de terras raras e sistema para realizar um método para processar um minério concentrado de terras raras

Info

Publication number
BR112019025160A2
BR112019025160A2 BR112019025160-0A BR112019025160A BR112019025160A2 BR 112019025160 A2 BR112019025160 A2 BR 112019025160A2 BR 112019025160 A BR112019025160 A BR 112019025160A BR 112019025160 A2 BR112019025160 A2 BR 112019025160A2
Authority
BR
Brazil
Prior art keywords
processing
rare
concentrated ore
paste
mixing
Prior art date
Application number
BR112019025160-0A
Other languages
English (en)
Other versions
BR112019025160B1 (pt
Inventor
Tang Jianwen
Du Guoshan
Xian Pengfei
Qiu Shuang
Zhou Wenlong
Qin Bo
Original Assignee
China Enfi Engineering Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Enfi Engineering Corporation filed Critical China Enfi Engineering Corporation
Publication of BR112019025160A2 publication Critical patent/BR112019025160A2/pt
Publication of BR112019025160B1 publication Critical patent/BR112019025160B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C22B1/06—Sulfating roasting
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/02—Apparatus therefor
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
    • C22B3/08—Sulfuric acid, other sulfurated acids or salts thereof
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B59/00—Obtaining rare earth metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B60/00—Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
    • C22B60/02—Obtaining thorium, uranium, or other actinides
    • C22B60/0291—Obtaining thorium, uranium, or other actinides obtaining thorium
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Abstract

trata-se de um método e sistema para tratamento de concentrado de terras raras. o método compreende: (1) mistura de concentrado de terras raras com ácido sulfúrico concentrado para obter uma pasta misturada e um primeiro gás contendo flúor; (2) misturar a pasta misturada com um líquido iniciador para tratamento de acidólise para obter clínquer e um segundo gás contendo flúor; (3) misturar o clínquer com água e realizar tratamento de lixiviação para obter uma pasta de lixiviação; e (4) realizar separação sólido-líquido na pasta de lixiviação para obter um filtrado e resíduos de lixiviação e para os resíduos de lixiviação, retornando à etapa (2) para executar o tratamento de acidólise.
BR112019025160-0A 2017-07-17 2018-07-11 Método para processar um minério concentrado de terras raras e sistema para realizar um método para processar um minério concentrado de terras raras BR112019025160B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201710582942.9A CN107475542B (zh) 2017-07-17 2017-07-17 处理稀土精矿的方法
CN201710582942.9 2017-07-17
PCT/CN2018/095309 WO2019015519A1 (zh) 2017-07-17 2018-07-11 处理稀土精矿的方法和系统

Publications (2)

Publication Number Publication Date
BR112019025160A2 true BR112019025160A2 (pt) 2020-06-16
BR112019025160B1 BR112019025160B1 (pt) 2023-04-11

Family

ID=60596454

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112019025160-0A BR112019025160B1 (pt) 2017-07-17 2018-07-11 Método para processar um minério concentrado de terras raras e sistema para realizar um método para processar um minério concentrado de terras raras

Country Status (9)

Country Link
US (1) US11773467B2 (pt)
JP (1) JP6941229B2 (pt)
KR (1) KR102364012B1 (pt)
CN (1) CN107475542B (pt)
AU (1) AU2018303510B2 (pt)
BR (1) BR112019025160B1 (pt)
RU (1) RU2746867C1 (pt)
WO (1) WO2019015519A1 (pt)
ZA (1) ZA201907015B (pt)

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CN109022838B (zh) * 2018-09-14 2020-03-06 包头稀土研究院 含氟的稀土矿物颗粒的处理方法
CN109439931A (zh) * 2018-12-03 2019-03-08 包头稀土研究院 一种芒廷帕斯稀土矿资源综合利用的方法
CN109371239B (zh) * 2018-12-03 2021-03-19 包头稀土研究院 一种处理含稀土的低品位萤石矿的方法
CN110252095A (zh) * 2019-07-26 2019-09-20 李明东 一种浓硫酸分解稀土精矿产生的酸性废气的处理方法
CN111270092B (zh) * 2020-02-07 2022-08-05 包头稀土研究院 分解混合稀土矿的方法
CN111285332B (zh) * 2020-02-19 2023-03-28 包头稀土研究院 分解含氟稀土矿物和回收氢氟酸的一体化方法
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CN114107668B (zh) * 2021-11-10 2023-11-17 北京工业大学 一种机械活化强化浸出废弃抛光液中稀土的方法
CN115232960B (zh) * 2022-07-22 2023-12-12 包头稀土研究院 混合稀土精矿的处理方法及石英的用途

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Also Published As

Publication number Publication date
US20200056265A1 (en) 2020-02-20
AU2018303510A1 (en) 2019-11-21
US11773467B2 (en) 2023-10-03
JP2020521886A (ja) 2020-07-27
CN107475542B (zh) 2021-03-16
WO2019015519A1 (zh) 2019-01-24
KR20190139954A (ko) 2019-12-18
AU2018303510B2 (en) 2021-07-01
BR112019025160B1 (pt) 2023-04-11
KR102364012B1 (ko) 2022-02-16
ZA201907015B (en) 2020-09-30
RU2746867C1 (ru) 2021-04-21
JP6941229B2 (ja) 2021-09-29
CN107475542A (zh) 2017-12-15

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B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]
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B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

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