CL2022003817A1 - Procesos de recuperación de litio y producción química in situ para procesos de recuperación de litio (divisional de solicitud 1663-2021) - Google Patents
Procesos de recuperación de litio y producción química in situ para procesos de recuperación de litio (divisional de solicitud 1663-2021)Info
- Publication number
- CL2022003817A1 CL2022003817A1 CL2022003817A CL2022003817A CL2022003817A1 CL 2022003817 A1 CL2022003817 A1 CL 2022003817A1 CL 2022003817 A CL2022003817 A CL 2022003817A CL 2022003817 A CL2022003817 A CL 2022003817A CL 2022003817 A1 CL2022003817 A1 CL 2022003817A1
- Authority
- CL
- Chile
- Prior art keywords
- recovery processes
- lithium recovery
- recovery
- acid
- lithium
- Prior art date
Links
- 238000011084 recovery Methods 0.000 title abstract 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title abstract 3
- 229910052744 lithium Inorganic materials 0.000 title abstract 3
- 238000011065 in-situ storage Methods 0.000 title abstract 2
- 238000012824 chemical production Methods 0.000 title 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- 239000012267 brine Substances 0.000 abstract 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 150000005323 carbonate salts Chemical class 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- 238000005868 electrolysis reaction Methods 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 229910003002 lithium salt Inorganic materials 0.000 abstract 1
- 159000000002 lithium salts Chemical class 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 239000011435 rock Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000002910 solid waste Substances 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D15/00—Lithium compounds
- C01D15/02—Oxides; Hydroxides
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- C—CHEMISTRY; METALLURGY
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- B01D61/46—Apparatus therefor
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- C01D15/00—Lithium compounds
- C01D15/04—Halides
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- C01D15/06—Sulfates; Sulfites
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- C01D15/08—Carbonates; Bicarbonates
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
En la presente divulgación se da a conocer un proceso de reciclaje de ácido, base y los reactivos de sal requeridos en el proceso de recuperación de Li. Se implementa una celda de electrólisis por membrana que incorpora un cátodo despolarizado con oxígeno (ODC) para generar los productos químicos requeridos in situ. El sistema puede utilizar una porción de la salmuera de salar u otra salmuera que contenga litio o residuos sólidos para generar ácido clorhídrico o sulfúrico, hidróxido de sodio y sales de carbonato. La generación simultánea de ácido y base permite aprovechar ambas sustancias químicas durante la recuperación convencional de Li a partir de salmueras y rocas minerales. El agua desalinizada también puede ser utilizada para las etapas de lavado en el proceso de recuperación o ser devuelta a los estanques de evaporación. El método también puede ser utilizado para la conversión directa de sales de litio en LiOH, un producto de alto valor. El método no produce ningún efluente sólido, lo que facilita su adopción para uso en las plantas industriales de recuperación de Li existentes.
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US201862784324P | 2018-12-21 | 2018-12-21 | |
US201962907486P | 2019-09-27 | 2019-09-27 | |
CL2021001663A CL2021001663A1 (es) | 2018-12-21 | 2021-06-18 | Procesos de recuperación de litio y producción química in situ para procesos de recuperación de litio |
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CL2022003817A1 true CL2022003817A1 (es) | 2023-06-23 |
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CL2022003817A CL2022003817A1 (es) | 2018-12-21 | 2022-12-29 | Procesos de recuperación de litio y producción química in situ para procesos de recuperación de litio (divisional de solicitud 1663-2021) |
CL2022003820A CL2022003820A1 (es) | 2018-12-21 | 2022-12-29 | Procesos de recuperación de litio y producción química in situ para procesos de recuperación de litio (divisional de solicitud 1663-2021) |
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US (9) | US11634826B2 (es) |
EP (3) | EP3897927A4 (es) |
KR (3) | KR20230156962A (es) |
CN (2) | CN115057569A (es) |
AU (7) | AU2019409137B2 (es) |
CA (3) | CA3124281C (es) |
CL (3) | CL2021001663A1 (es) |
WO (1) | WO2020128619A1 (es) |
Families Citing this family (8)
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US20230072690A1 (en) * | 2020-03-06 | 2023-03-09 | The Board Of Regents Of The Nevada System Of Higher Education On Behalf Of The University Of Nevada, | Lithium recovery from lithium salts dissolved in ionic liquids |
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US11998875B2 (en) | 2021-12-22 | 2024-06-04 | The Research Foundation for The State University of New York York | System and method for electrochemical ocean alkalinity enhancement |
WO2024059138A1 (en) * | 2022-09-14 | 2024-03-21 | Geosyntec Consultants, Inc. | Treatment systems and methods |
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