HRP20211184T1 - Postupci za tretiranje vodenih sastava koji sadrže litij sulfat i sumpornu kiselinu - Google Patents
Postupci za tretiranje vodenih sastava koji sadrže litij sulfat i sumpornu kiselinu Download PDFInfo
- Publication number
- HRP20211184T1 HRP20211184T1 HRP20211184TT HRP20211184T HRP20211184T1 HR P20211184 T1 HRP20211184 T1 HR P20211184T1 HR P20211184T T HRP20211184T T HR P20211184TT HR P20211184 T HRP20211184 T HR P20211184T HR P20211184 T1 HRP20211184 T1 HR P20211184T1
- Authority
- HR
- Croatia
- Prior art keywords
- lithium sulfate
- sulfuric acid
- solution
- kpa
- process according
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims 34
- INHCSSUBVCNVSK-UHFFFAOYSA-L lithium sulfate Inorganic materials [Li+].[Li+].[O-]S([O-])(=O)=O INHCSSUBVCNVSK-UHFFFAOYSA-L 0.000 title claims 24
- RBTVSNLYYIMMKS-UHFFFAOYSA-N tert-butyl 3-aminoazetidine-1-carboxylate;hydrochloride Chemical compound Cl.CC(C)(C)OC(=O)N1CC(N)C1 RBTVSNLYYIMMKS-UHFFFAOYSA-N 0.000 title claims 23
- 238000000034 method Methods 0.000 title claims 18
- 239000000203 mixture Substances 0.000 title claims 10
- 239000013078 crystal Substances 0.000 claims 9
- RKGLUDFWIKNKMX-UHFFFAOYSA-L dilithium;sulfate;hydrate Chemical compound [Li+].[Li+].O.[O-]S([O-])(=O)=O RKGLUDFWIKNKMX-UHFFFAOYSA-L 0.000 claims 9
- 239000012141 concentrate Substances 0.000 claims 7
- 238000002425 crystallisation Methods 0.000 claims 7
- 230000008025 crystallization Effects 0.000 claims 7
- 238000001704 evaporation Methods 0.000 claims 7
- 230000008020 evaporation Effects 0.000 claims 6
- 238000001816 cooling Methods 0.000 claims 4
- 238000000926 separation method Methods 0.000 claims 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims 2
- 229910052938 sodium sulfate Inorganic materials 0.000 claims 2
- 235000011152 sodium sulphate Nutrition 0.000 claims 2
- 230000002378 acidificating effect Effects 0.000 claims 1
- 238000000354 decomposition reaction Methods 0.000 claims 1
- 230000002401 inhibitory effect Effects 0.000 claims 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims 1
- 229910052939 potassium sulfate Inorganic materials 0.000 claims 1
- 235000011151 potassium sulphates Nutrition 0.000 claims 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0018—Evaporation of components of the mixture to be separated
- B01D9/0022—Evaporation of components of the mixture to be separated by reducing pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0018—Evaporation of components of the mixture to be separated
- B01D9/0031—Evaporation of components of the mixture to be separated by heating
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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
- C01D15/06—Sulfates; Sulfites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0004—Crystallisation cooling by heat exchange
- B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0077—Screening for crystallisation conditions or for crystal forms
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/14—Alkali metal compounds
- C25B1/16—Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/46—Sulfur-, selenium- or tellurium-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B7/00—Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions
- C30B7/02—Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions by evaporation of the solvent
- C30B7/04—Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions by evaporation of the solvent using aqueous solvents
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Metallurgy (AREA)
- Electrochemistry (AREA)
- Secondary Cells (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Removal Of Specific Substances (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Claims (13)
1. Postupak za tretiranje vodenih sastava koji sadrže litij sulfat i sumpornu kiselinu, pri čemu navedeni postupak sadrži:
kristalizaciju uparavanjem vodenih sastava koji sadrže litij sulfat i sumpornu kiselinu, pod uvjetima za dobivanje kristala litij sulfat monohidrata i otopine reduciranog sadržaja litij sulfata, i za inhibiranje razlaganja navedenih kristala litij sulfat monohidrata u bezvodni litij sulfat,
po izboru, razdvajanje kristala litij sulfat monohidrata od otopine reduciranog sadržaja litij sulfata,
naznačen time, što se kristalizacija uparavanjem provodi na temperaturi od 40°C do 95 °C i pod tlakom od 1 kPa do 75 kPa.
2. Postupak sukladno patentnom zahtjevu 1, pri čemu vodeni sastav koja sadrži litij sulfat i sumpornu kiselinu sadrži od 1 tež.% do 35 tež.% litij sulfata u odnosu na ukupnu težinu vodenog sastava.
3. Postupak sukladno patentnom zahtjevu 1 ili 2, pri čemu vodeni sastav koji sadrži litij sulfat i sumpornu kiselinu sadrži od 7 tež.% do 15 tež.% sumporne kiseline u odnosu na ukupnu težinu vodenog sastava.
4. Postupak sukladno bilo kojem od patentnih zahtjeva od 1 do 3, pri čemu vodeni sastav koji sadrži litij sulfat i sumpornu kiselinu nadalje sadrži natrij sulfat i/ili kalij sulfat u količini do 10 tež.% u odnosu na ukupnu težinu vodenog sastava.
5. Postupak sukladno bilo kojem od patentnih zahtjeva od 1 do 4, gdje se kristalizacija uparavanjem provodi na temperaturi od 75°C do 85°C.
6. Postupak sukladno bilo kojem od patentnih zahtjeva od 1 do 5, gdje se kristalizacija uparavanjem provodi pod tlakom od 15 kPa do 20 kPa.
7. Postupak sukladno bilo kojem od patentnih zahtjeva od 1 do 5, gdje se kristalizacija uparavanjem provodi pod tlakom od 5 kPa do 15 kPa.
8. Postupak sukladno bilo kojem od patentnih zahtjeva od 1 do 7, gdje uvjeti za dobivanje kristala litij sulfat monohidrata i otopine reduciranog sadržaja litij sulfata nadalje sadrže kristalizaciju uparavanjem vodenog sastava koji sadrži litij sulfat i sumpornu kiselinu tokom vremena u kojem otopina reduciranog sadržaja litij sulfata sadrži koncentraciju sumporne kiseline koja je manja od 65 tež.% u odnosu na ukupnu težinu otopine reduciranog sadržaja litij sulfata.
9. Postupak sukladno patentnom zahtjevu 8, gdje se kristalizacija uparavanjem provodi dok otopina reduciranog sadržaja litij sulfata sadrži koncentraciju sumporne kiseline od 40 tež.% do 50 tež.% u odnosu na ukupnu težinu otopine reduciranog sadržaja litij sulfata.
10. Postupak sukladno bilo kojem od patentnih zahtjeva od 1 do 9, pri čemu postupak sadrži:
odvajanje kristala litij sulfat monohidrata od otopine reduciranog sadržaja litij sulfata,
hlađenje otopine reduciranog sadržaja litij sulfata pod uvjetima za dobivanje dodatnog dijela kristala litij sulfat monohidrata i otopine dodatno reduciranog sadržaja litij sulfata koji sadrži sumpornu kiselinu; i
razdvajanje kristala litij sulfat monohidrata od otopine dodatno reduciranog sadržaja litij sulfata koji sadrži sumpornu kiselinu, pri čemu se hlađenje provodi na temperaturi od 15°C do 80°C, pod tlakom od 1 kPa do 100 kPa.
11. Postupak sukladno bilo kojem od patentnih zahtjeva od 1 do 10, pri čemu postupak nadalje sadrži koncentriranje otopine reduciranog sadržaja litij sulfata pod uvjetima za dobivanje kiselog kondenzata i koncentrata koji sadrži sumpornu kiselinu, pri čemu navedeni koncentrat sadrži ukupnu koncentraciju sumporne kiseline, litij sulfata i po izboru natrij sulfata koja je veća od 65 tež.% u odnosu na ukupnu težinu koncentrata.
12. Postupak sukladno patentnom zahtjevu 11, gdje se koncentriranje provodi na temperaturi od 170°C do 200°C.
13. Postupak sukladno patentnom zahtjevu 11 ili 12, pri čemu postupak nadalje sadrži:
hlađenje koncentrata koji sadrži sumpornu kiselinu pod uvjetima
pri čemu navedeni uvjeti sadrže hlađenje koncentrata do temperature od 5°C do 170°C pod tlakom koji je od 1 kPa do 100 kPa ili od 95 do 105 kPa,
da bi se dobila dodatni dio kristala litij sulfat monohidrata i koncentrata reduciranog sadržaja litij sulfata koji sadrži sumpornu kiselinu; i
razdvajanje kristala od dodatnog dijela litij sulfat monohidrata od koncentrata reduciranog sadržaja litij sulfata koji sadrži sumpornu kiselinu.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662380056P | 2016-08-26 | 2016-08-26 | |
| CA2940509A CA2940509A1 (en) | 2016-08-26 | 2016-08-26 | Processes for treating aqueous compositions comprising lithium sulfate and sulfuric acid |
| PCT/CA2017/051007 WO2018035618A1 (en) | 2016-08-26 | 2017-08-28 | Processes for treating aqueous compositions comprising lithium sulfate and sulfuric acid |
| EP17842498.2A EP3504360B1 (en) | 2016-08-26 | 2017-08-28 | Processes for treating aqueous compositions comprising lithium sulfate and sulfuric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HRP20211184T1 true HRP20211184T1 (hr) | 2021-10-15 |
Family
ID=61246642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HRP20211184TT HRP20211184T1 (hr) | 2016-08-26 | 2021-07-22 | Postupci za tretiranje vodenih sastava koji sadrže litij sulfat i sumpornu kiselinu |
Country Status (15)
| Country | Link |
|---|---|
| US (2) | US11083978B2 (hr) |
| EP (1) | EP3504360B1 (hr) |
| JP (1) | JP6825082B2 (hr) |
| KR (1) | KR102266697B1 (hr) |
| CN (2) | CN113149040A (hr) |
| AU (2) | AU2017315337B2 (hr) |
| CA (4) | CA2940509A1 (hr) |
| CL (1) | CL2019000483A1 (hr) |
| DK (1) | DK3504360T3 (hr) |
| ES (1) | ES2882337T3 (hr) |
| HR (1) | HRP20211184T1 (hr) |
| PL (1) | PL3504360T3 (hr) |
| PT (1) | PT3504360T (hr) |
| RS (1) | RS62169B1 (hr) |
| WO (1) | WO2018035618A1 (hr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3109808A1 (en) | 2012-05-30 | 2013-12-05 | Nemaska Lithium Inc. | System for preparing lithium carbonate from lithium hydroxide |
| EP2971252B1 (en) | 2013-03-15 | 2020-12-30 | Nemaska Lithium Inc. | Processes for preparing lithium hydroxide |
| JP6335316B2 (ja) | 2013-10-23 | 2018-05-30 | ネマスカ リチウム インコーポレイテッド | 炭酸リチウムの調製のためのプロセス |
| KR102153976B1 (ko) | 2014-02-24 | 2020-09-10 | 네마스카 리튬 인코포레이션 | 리튬 함유 물질을 처리하기 위한 방법 |
| CA2940509A1 (en) | 2016-08-26 | 2018-02-26 | Nemaska Lithium Inc. | Processes for treating aqueous compositions comprising lithium sulfate and sulfuric acid |
| CA3083136C (en) | 2017-11-22 | 2022-04-12 | Nemaska Lithium Inc. | Processes for preparing hydroxides and oxides of various metals and derivatives thereof |
| US11931701B2 (en) | 2021-08-06 | 2024-03-19 | Lithium Ark Holding B.V. | Production of lithium hydroxide and lithium carbonate |
| WO2023212833A1 (es) * | 2022-05-02 | 2023-11-09 | Sociedad Quimica Y Minera De Chile S.A. | Proceso de obtención de sulfato de litio monohidratado de alta ley mediante lixiviación a partir de un concentrado de sulfato de litio |
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-
2016
- 2016-08-26 CA CA2940509A patent/CA2940509A1/en not_active Abandoned
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2017
- 2017-08-28 CA CA3034982A patent/CA3034982C/en active Active
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- 2017-08-28 PL PL17842498T patent/PL3504360T3/pl unknown
- 2017-08-28 CN CN202110222710.9A patent/CN113149040A/zh active Pending
- 2017-08-28 EP EP17842498.2A patent/EP3504360B1/en active Active
- 2017-08-28 CN CN201780065312.2A patent/CN109891006B/zh active Active
- 2017-08-28 AU AU2017315337A patent/AU2017315337B2/en active Active
- 2017-08-28 PT PT178424982T patent/PT3504360T/pt unknown
- 2017-08-28 ES ES17842498T patent/ES2882337T3/es active Active
- 2017-08-28 US US16/328,220 patent/US11083978B2/en active Active
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| CN113149040A (zh) | 2021-07-23 |
| AU2017315337A1 (en) | 2019-04-11 |
| RS62169B1 (sr) | 2021-08-31 |
| WO2018035618A1 (en) | 2018-03-01 |
| EP3504360B1 (en) | 2021-05-05 |
| CA3055553C (en) | 2023-11-21 |
| EP3504360A1 (en) | 2019-07-03 |
| JP2019528230A (ja) | 2019-10-10 |
| EP3504360A4 (en) | 2019-10-23 |
| AU2017315337B2 (en) | 2020-11-05 |
| CA2940509A1 (en) | 2018-02-26 |
| US20220032207A1 (en) | 2022-02-03 |
| CA3055553A1 (en) | 2018-03-01 |
| PT3504360T (pt) | 2021-08-13 |
| KR102266697B1 (ko) | 2021-06-21 |
| CL2019000483A1 (es) | 2019-08-09 |
| KR20190055095A (ko) | 2019-05-22 |
| ES2882337T3 (es) | 2021-12-01 |
| CA3215277A1 (en) | 2018-03-01 |
| PL3504360T3 (pl) | 2021-11-29 |
| JP6825082B2 (ja) | 2021-02-03 |
| US11083978B2 (en) | 2021-08-10 |
| DK3504360T3 (da) | 2021-08-09 |
| CA3034982A1 (en) | 2018-03-01 |
| CN109891006B (zh) | 2021-03-19 |
| US20200376409A1 (en) | 2020-12-03 |
| CN109891006A (zh) | 2019-06-14 |
| AU2020257064A1 (en) | 2020-11-19 |
| CA3034982C (en) | 2019-10-22 |
| AU2020257064B2 (en) | 2022-09-15 |
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