WO2021150208A1 - Separation of rare earth elements using supported membrane solvent extraction - Google Patents
Separation of rare earth elements using supported membrane solvent extraction Download PDFInfo
- Publication number
- WO2021150208A1 WO2021150208A1 PCT/US2020/014363 US2020014363W WO2021150208A1 WO 2021150208 A1 WO2021150208 A1 WO 2021150208A1 US 2020014363 W US2020014363 W US 2020014363W WO 2021150208 A1 WO2021150208 A1 WO 2021150208A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rare earth
- earth element
- solution
- hollow fibers
- feed solution
- Prior art date
Links
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 109
- 238000000926 separation method Methods 0.000 title claims abstract description 53
- 239000012528 membrane Substances 0.000 title claims abstract description 46
- 238000000638 solvent extraction Methods 0.000 title abstract description 23
- 239000012527 feed solution Substances 0.000 claims abstract description 70
- 239000000243 solution Substances 0.000 claims abstract description 64
- 238000000034 method Methods 0.000 claims abstract description 47
- 239000012510 hollow fiber Substances 0.000 claims abstract description 36
- 239000012074 organic phase Substances 0.000 claims abstract description 21
- 239000011148 porous material Substances 0.000 claims abstract description 18
- 239000003960 organic solvent Substances 0.000 claims abstract description 11
- 229910052779 Neodymium Inorganic materials 0.000 claims description 16
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 16
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 16
- 229910017604 nitric acid Inorganic materials 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 14
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 9
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 7
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 claims description 6
- 239000004215 Carbon black (E152) Substances 0.000 claims description 6
- 229930195733 hydrocarbon Natural products 0.000 claims description 6
- 150000002430 hydrocarbons Chemical class 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 3
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 claims description 3
- 239000003350 kerosene Substances 0.000 claims description 3
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 3
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims description 3
- 239000008096 xylene Substances 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 4
- 230000003134 recirculating effect Effects 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 22
- 150000002910 rare earth metals Chemical class 0.000 abstract description 7
- 239000010793 electronic waste Substances 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 3
- -1 rare earth metal ions Chemical class 0.000 abstract description 3
- 239000000835 fiber Substances 0.000 description 9
- 238000000605 extraction Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- 230000002378 acidificating effect Effects 0.000 description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 239000000908 ammonium hydroxide Substances 0.000 description 4
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 4
- 206010011906 Death Diseases 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 235000011149 sulphuric acid Nutrition 0.000 description 3
- VRZYWIAVUGQHKB-UHFFFAOYSA-N 2-[2-(dioctylamino)-2-oxoethoxy]-n,n-dioctylacetamide Chemical compound CCCCCCCCN(CCCCCCCC)C(=O)COCC(=O)N(CCCCCCCC)CCCCCCCC VRZYWIAVUGQHKB-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000010979 pH adjustment Methods 0.000 description 2
- 230000002572 peristaltic effect Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- ZJOLSKRAHJDLNZ-UHFFFAOYSA-N 2-(9-carbamoylheptadecan-9-yloxy)-2-octyldecanamide Chemical compound CCCCCCCCC(CCCCCCCC)(C(N)=O)OC(CCCCCCCC)(CCCCCCCC)C(N)=O ZJOLSKRAHJDLNZ-UHFFFAOYSA-N 0.000 description 1
- JJJOZVFVARQUJV-UHFFFAOYSA-N 2-ethylhexylphosphonic acid Chemical compound CCCCC(CC)CP(O)(O)=O JJJOZVFVARQUJV-UHFFFAOYSA-N 0.000 description 1
- MMDSMWGHQSXYMV-UHFFFAOYSA-N 3-methyl-2-phenoxynonanoic acid Chemical compound CCCCCCC(C)C(C(O)=O)OC1=CC=CC=C1 MMDSMWGHQSXYMV-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- QUXFOKCUIZCKGS-UHFFFAOYSA-N bis(2,4,4-trimethylpentyl)phosphinic acid Chemical compound CC(C)(C)CC(C)CP(O)(=O)CC(C)CC(C)(C)C QUXFOKCUIZCKGS-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229910003447 praseodymium oxide Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000009853 pyrometallurgy Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- MDDUHVRJJAFRAU-YZNNVMRBSA-N tert-butyl-[(1r,3s,5z)-3-[tert-butyl(dimethyl)silyl]oxy-5-(2-diphenylphosphorylethylidene)-4-methylidenecyclohexyl]oxy-dimethylsilane Chemical compound C1[C@@H](O[Si](C)(C)C(C)(C)C)C[C@H](O[Si](C)(C)C(C)(C)C)C(=C)\C1=C/CP(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 MDDUHVRJJAFRAU-YZNNVMRBSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0415—Solvent extraction of solutions which are liquid in combination with membranes
-
- 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
- B01D61/24—Dialysis ; Membrane extraction
- B01D61/246—Membrane extraction
- B01D61/2461—Membrane extraction comprising multiple membrane extraction steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0488—Flow sheets
-
- 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
- B01D61/24—Dialysis ; Membrane extraction
- B01D61/246—Membrane extraction
-
- 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
- B01D61/38—Liquid-membrane separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/032—More than two tube sheets for one bundle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/14—Dynamic membranes
- B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
- B01D69/142—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes with "carriers"
-
- 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
-
- 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
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/32—Carboxylic acids
-
- 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
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
- C22B3/3842—Phosphinic acid, e.g. H2P(O)(OH)
-
- 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
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
- C22B3/3844—Phosphonic acid, e.g. H2P(O)(OH)2
-
- 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
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/40—Mixtures
- C22B3/408—Mixtures using a mixture of phosphorus-based acid derivatives of different types
-
- 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
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- Water Supply & Treatment (AREA)
- Urology & Nephrology (AREA)
- Health & Medical Sciences (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20705861.1A EP4093527A1 (en) | 2020-01-21 | 2020-01-21 | Separation of rare earth elements using supported membrane solvent extraction |
AU2020424027A AU2020424027A1 (en) | 2020-01-21 | 2020-01-21 | Separation of rare earth elements using supported membrane solvent extraction |
MYPI2022003709A MY197844A (en) | 2020-01-21 | 2020-01-21 | Separation of rare earth elements using supported membrane solvent extraction |
CN202080093891.3A CN114980990A (en) | 2020-01-21 | 2020-01-21 | Separation of rare earth elements using supported membrane solvent extraction |
JP2022543735A JP7462054B2 (en) | 2020-01-21 | 2020-01-21 | Separation of rare earth elements using supported membrane solvent extraction. |
PCT/US2020/014363 WO2021150208A1 (en) | 2020-01-21 | 2020-01-21 | Separation of rare earth elements using supported membrane solvent extraction |
KR1020227028341A KR20220124264A (en) | 2020-01-21 | 2020-01-21 | Separation of Rare Earth Elements Using Supporting Membrane Solvent Extraction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2020/014363 WO2021150208A1 (en) | 2020-01-21 | 2020-01-21 | Separation of rare earth elements using supported membrane solvent extraction |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2021150208A1 true WO2021150208A1 (en) | 2021-07-29 |
Family
ID=69593800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2020/014363 WO2021150208A1 (en) | 2020-01-21 | 2020-01-21 | Separation of rare earth elements using supported membrane solvent extraction |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP4093527A1 (en) |
JP (1) | JP7462054B2 (en) |
KR (1) | KR20220124264A (en) |
CN (1) | CN114980990A (en) |
AU (1) | AU2020424027A1 (en) |
MY (1) | MY197844A (en) |
WO (1) | WO2021150208A1 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9968887B2 (en) | 2015-05-29 | 2018-05-15 | Ut-Battelle, Llc | Membrane assisted solvent extraction for rare earth element recovery |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2924459C (en) * | 2012-09-18 | 2021-04-06 | Chemtor, Lp | Use of a fiber conduit contactor for metal and/or metalloid extraction |
FR3026099B1 (en) | 2014-09-24 | 2017-06-02 | Commissariat Energie Atomique | METHODS FOR SELECTIVE RECOVERY OF RARE EARTHS IN AQUEOUS ACID PHASES RESULTING FROM THE TREATMENT OF PERMANENT MAGNETS USED OR REBUIDED |
CN108728656B (en) * | 2018-07-06 | 2020-07-14 | 赣州嘉通新材料有限公司 | Separation and recovery method of rare earth-containing waste |
CN110331285B (en) * | 2019-08-13 | 2020-10-02 | 包头稀土研究院 | Method for extracting and separating light rare earth chloride solution from rare earth chloride solution prepared by alkaline method |
-
2020
- 2020-01-21 CN CN202080093891.3A patent/CN114980990A/en active Pending
- 2020-01-21 WO PCT/US2020/014363 patent/WO2021150208A1/en unknown
- 2020-01-21 KR KR1020227028341A patent/KR20220124264A/en unknown
- 2020-01-21 MY MYPI2022003709A patent/MY197844A/en unknown
- 2020-01-21 AU AU2020424027A patent/AU2020424027A1/en active Pending
- 2020-01-21 JP JP2022543735A patent/JP7462054B2/en active Active
- 2020-01-21 EP EP20705861.1A patent/EP4093527A1/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9968887B2 (en) | 2015-05-29 | 2018-05-15 | Ut-Battelle, Llc | Membrane assisted solvent extraction for rare earth element recovery |
Non-Patent Citations (5)
Title |
---|
J. MARTÍNEZ ET AL: "Factors influencing separation selectivity of rare earth elements in flat sheet supported liquid membranes", CHEMICAL ENGINEERING SCIENCE, vol. 191, 15 June 2018 (2018-06-15), GB, pages 134 - 155, XP055738650, ISSN: 0009-2509, DOI: 10.1016/j.ces.2018.06.018 * |
MUHAMMAD ALI ZULFIKAR ET AL: "Australian Journal of Basic and Applied Sciences Corresponding Author: Transport and Separation of Some Rare Earth Elements (REEs) Through Stripping Hollow Fiber Supported Liquid Membrane (SHFSLM) with Di-di-(2-ethylhexyl) Phosphoric acid and Trybutylphosphate as a Carriers INTRODUCTION", AUSTRALIAN JOURNAL OF BASIC AND APPLIED SCIENCES BASIC & APPL. SCI, 1 July 2014 (2014-07-01), pages 525 - 531, XP055738655, Retrieved from the Internet <URL:http://ajbasweb.com/old/ajbas/2014/July/525-531.pdf> [retrieved on 20201012] * |
SANDRA PAVON ET AL: "Comparison of Cyanex 272 and Cyanex 572 for the separation of Neodymium from a Nd/Tb/Dy mixture by pertraction : Comparison of Cyanex 272 and Cyanex 572 for the separation of Neodymium", JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY, vol. 93, no. 8, 15 November 2017 (2017-11-15), pages 2152 - 2159, XP055738499, ISSN: 0268-2575, DOI: 10.1002/jctb.5458 * |
THANAPORN WANNACHOD ET AL: "Separation and mass transport of Nd(III) from mixed rare earths via hollow fiber supported liquid membrane: Experiment and modeling", CHEMICAL ENGENEERING JOURNAL, vol. 248, 1 July 2014 (2014-07-01), AMSTERDAM, NL, pages 158 - 167, XP055738462, ISSN: 1385-8947, DOI: 10.1016/j.cej.2014.03.024 * |
WANNACHOD THANAPORN ET AL: "The separation of Nd(III) from mixed rare earth via hollow fiber supported liquid membrane and mass transfer analysis", JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, THE KOREAN SOCIETY OF INDUSTRIAL AND ENGINEERING CHEMISTRY, KOREA, vol. 26, 4 December 2014 (2014-12-04), pages 214 - 217, XP029613734, ISSN: 1226-086X, DOI: 10.1016/J.JIEC.2014.11.032 * |
Also Published As
Publication number | Publication date |
---|---|
CN114980990A (en) | 2022-08-30 |
EP4093527A1 (en) | 2022-11-30 |
MY197844A (en) | 2023-07-20 |
JP7462054B2 (en) | 2024-04-04 |
AU2020424027A1 (en) | 2022-08-11 |
JP2023512494A (en) | 2023-03-27 |
KR20220124264A (en) | 2022-09-13 |
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