MA53725A - Procede de purification et de concentration des terres rares a partir du phosphogypse - Google Patents
Procede de purification et de concentration des terres rares a partir du phosphogypseInfo
- Publication number
- MA53725A MA53725A MA053725A MA53725A MA53725A MA 53725 A MA53725 A MA 53725A MA 053725 A MA053725 A MA 053725A MA 53725 A MA53725 A MA 53725A MA 53725 A MA53725 A MA 53725A
- Authority
- MA
- Morocco
- Prior art keywords
- phosphogypse
- purification
- concentration
- rare earths
- earths
- Prior art date
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
- C22B59/00—Obtaining rare earth metals
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/10—Preparation or treatment, e.g. separation or purification
-
- 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
- C22B3/065—Nitric 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
- C22B3/04—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
- C22B3/04—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
- C22B3/10—Hydrochloric acid, other halogenated 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
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Metallurgy (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Processing Of Solid Wastes (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1858946A FR3086672B1 (fr) | 2018-09-28 | 2018-09-28 | Procede de purification et de concentration des terres rares a partir du phosphogypse |
Publications (1)
Publication Number | Publication Date |
---|---|
MA53725A true MA53725A (fr) | 2022-01-05 |
Family
ID=65243971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MA053725A MA53725A (fr) | 2018-09-28 | 2019-09-30 | Procede de purification et de concentration des terres rares a partir du phosphogypse |
Country Status (8)
Country | Link |
---|---|
US (1) | US20210388466A1 (fr) |
EP (1) | EP3856940A1 (fr) |
CN (1) | CN112771185B (fr) |
FR (1) | FR3086672B1 (fr) |
IL (1) | IL281830A (fr) |
JO (1) | JOP20210055A1 (fr) |
MA (1) | MA53725A (fr) |
WO (1) | WO2020067856A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020100260A1 (de) * | 2020-01-08 | 2021-07-08 | Thyssenkrupp Ag | Integriertes Verfahren zur Herstellung von Schwefelsäureprozess-geeigneter Schwefeldioxidqualität aus Kalziumsulfat/Phosphorgips aus der Phosphorsäureproduktion |
FR3140379A1 (fr) | 2022-09-30 | 2024-04-05 | Universite Mohamed Vi Polytechnique | Procédé de récupération des terres rares et du sulfate de calcium contenus dans un phosphogypse |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2652076B1 (fr) * | 1989-09-20 | 1992-03-20 | Rhone Poulenc Chimie | Procede de recuperation des valeurs de terres rares dans les gypses. |
RU2293781C1 (ru) * | 2005-07-04 | 2007-02-20 | Институт химии и технологии редких элементов и минерального сырья им. И.В. Тананаева Кольского научного центра Российской академии наук | Способ извлечения редкоземельных элементов из фосфогипса |
CN101597688A (zh) * | 2008-06-03 | 2009-12-09 | 贵州光大能源发展有限公司 | 从磷石膏中回收稀土的一种方法 |
RU2412265C1 (ru) | 2009-07-16 | 2011-02-20 | Закрытое Акционерное Общество "Твин Трейдинг Компани" | Способ извлечения редкоземельных элементов из фосфогипса |
CA2852131C (fr) | 2011-10-24 | 2019-04-30 | Hydrometal Sa | Procede de traitement de roches phosphatees |
RU2519692C1 (ru) | 2012-11-12 | 2014-06-20 | Закрытое Акционерное Общество "Твин Трейдинг Компани" | Способ извлечения редкоземельных элементов из твердых материалов, содержащих редкоземельные элементы |
RU2528573C1 (ru) * | 2013-03-05 | 2014-09-20 | Открытое акционерное общество "Объединенная химическая компания "УРАЛХИМ" | Способ извлечения редкоземельных металлов и получения строительного гипса из фосфогипса полугидрата |
CN107513620B (zh) * | 2017-08-30 | 2021-07-09 | 赣州齐畅新材料有限公司 | 一种从荧光粉废料中提取稀土氧化物的工艺方法 |
-
2018
- 2018-09-28 FR FR1858946A patent/FR3086672B1/fr active Active
-
2019
- 2019-09-30 US US17/279,932 patent/US20210388466A1/en active Pending
- 2019-09-30 CN CN201980063988.7A patent/CN112771185B/zh active Active
- 2019-09-30 EP EP19783383.3A patent/EP3856940A1/fr active Pending
- 2019-09-30 JO JOP/2021/0055A patent/JOP20210055A1/ar unknown
- 2019-09-30 MA MA053725A patent/MA53725A/fr unknown
- 2019-09-30 WO PCT/MA2019/000008 patent/WO2020067856A1/fr active Application Filing
-
2021
- 2021-03-25 IL IL281830A patent/IL281830A/en unknown
Also Published As
Publication number | Publication date |
---|---|
US20210388466A1 (en) | 2021-12-16 |
IL281830A (en) | 2021-05-31 |
JOP20210055A1 (ar) | 2021-03-24 |
CN112771185B (zh) | 2023-04-11 |
WO2020067856A1 (fr) | 2020-04-02 |
FR3086672B1 (fr) | 2020-11-13 |
EP3856940A1 (fr) | 2021-08-04 |
CN112771185A (zh) | 2021-05-07 |
FR3086672A1 (fr) | 2020-04-03 |
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