CL2023000938A1 - Method for extraction of lithium from lithium clay - Google Patents
Method for extraction of lithium from lithium clayInfo
- Publication number
- CL2023000938A1 CL2023000938A1 CL2023000938A CL2023000938A CL2023000938A1 CL 2023000938 A1 CL2023000938 A1 CL 2023000938A1 CL 2023000938 A CL2023000938 A CL 2023000938A CL 2023000938 A CL2023000938 A CL 2023000938A CL 2023000938 A1 CL2023000938 A1 CL 2023000938A1
- Authority
- CL
- Chile
- Prior art keywords
- lithium
- clay
- leaching
- provides
- extraction
- Prior art date
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title abstract 14
- 229910052744 lithium Inorganic materials 0.000 title abstract 14
- 239000004927 clay Substances 0.000 title abstract 5
- 238000000605 extraction Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 abstract 6
- 238000002386 leaching Methods 0.000 abstract 4
- 239000000463 material Substances 0.000 abstract 4
- 239000000203 mixture Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000000227 grinding Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 238000003756 stirring Methods 0.000 abstract 1
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
- C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
- C22B26/10—Obtaining alkali metals
- C22B26/12—Obtaining lithium
-
- 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
-
- 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
-
- 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)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
La presente inveción proporciona un método para extraer litio de arcilla de litio y se reaciona con el campo técnico de la extracción de un recurso de litio. La presente invenci proporciona un método para extraer litio de arcilla de litio, método que comprende los siguientes pasos: (1) pretratar arcilla de litio para obtener un material pretratado; (2) someter el materoal pretratado en el paso (1) a tostado por microondas, mantenimiento de temperatura, enfriamiento y molienda para obtener un material triturado, en el que la potencia de microondas durante el tostado por microondas es de 1-3 kw y la temperatura de tostado por microondas es de 650-750°C; y (3) mezclar el material triturado en el paso (2) con agua, agitar la mezcla para la lixiviación y filtrar la mezcla para obtener una solución de lixiviación que contiene litio. La presente invención prporciona un método para extraer litio de un recurso de litio de tipo arcilla. En este método, en vista de las dificultades específicas con respecto a los recurso de litio de tipo arcilla, se utiliza la tostación por microondas para extraer litio de la arcilla que lo contenga. En este método, la temperatura se eleva en un corto periodo y luego se agrega una cierta cantidad de agua para la lixiviación. El agente de lixiviación es barato y la tadade extracción de litio es extremadamente alta.The present invention provides a method for extracting lithium from lithium clay and relates to the technical field of extraction of a lithium resource. The present invention provides a method for extracting lithium from lithium clay, which method comprises the following steps: (1) pretreating lithium clay to obtain a pretreated material; (2) subjecting the material pretreated in step (1) to microwave roasting, temperature maintenance, cooling and grinding to obtain a ground material, in which the microwave power during microwave roasting is 1-3 kw and microwave roasting temperature is 650-750°C; and (3) mixing the crushed material in step (2) with water, stirring the mixture for leaching, and filtering the mixture to obtain a lithium-containing leaching solution. The present invention provides a method for extracting lithium from a clay-type lithium resource. In this method, in view of the specific difficulties with respect to clay-type lithium resources, microwave roasting is used to extract lithium from the clay containing it. In this method, the temperature is raised in a short period and then a certain amount of water is added for leaching. The leaching agent is cheap and the lithium extraction rate is extremely high.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210763149.XA CN114959253A (en) | 2022-06-30 | 2022-06-30 | Method for extracting lithium from lithium clay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CL2023000938A1 true CL2023000938A1 (en) | 2024-05-17 |
Family
ID=82968453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CL2023000938A CL2023000938A1 (en) | 2022-06-30 | 2023-03-29 | Method for extraction of lithium from lithium clay |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN114959253A (en) |
| CL (1) | CL2023000938A1 (en) |
| WO (1) | WO2024000883A1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5267940B2 (en) * | 2009-03-03 | 2013-08-21 | 公益財団法人かがわ産業支援財団 | Method for producing plate-like potassium lithium titanate |
| CN103849761B (en) * | 2014-03-17 | 2016-05-18 | 河南省岩石矿物测试中心 | Method for extracting lithium from low-grade lithium-containing clay ore |
| KR101603259B1 (en) * | 2014-08-28 | 2016-03-15 | 한국전력공사 | Method and apparatus for extracting lithium from coal ashes |
| CN104561596A (en) * | 2014-12-23 | 2015-04-29 | 青岛无为保温材料有限公司 | Method for extracting lithium from spodumene |
| CN110042262A (en) * | 2019-05-27 | 2019-07-23 | 中国地质科学院矿产综合利用研究所 | Method for selectively leaching low-grade deposition type lithium ore |
| CN111893318A (en) * | 2020-07-16 | 2020-11-06 | 江西赣锋锂业股份有限公司 | Method for extracting lithium from lithium-containing clay |
| CN114368764A (en) * | 2022-02-18 | 2022-04-19 | 华东理工大学 | Method for directly preparing lithium sulfate from hard rock type lithium ore |
-
2022
- 2022-06-30 CN CN202210763149.XA patent/CN114959253A/en active Pending
- 2022-09-28 WO PCT/CN2022/122264 patent/WO2024000883A1/en unknown
-
2023
- 2023-03-29 CL CL2023000938A patent/CL2023000938A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024000883A1 (en) | 2024-01-04 |
| CN114959253A (en) | 2022-08-30 |
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