HRP20201123T1 - Postupak za vađenje i odvajanje rijetkih zemljanih elemenata - Google Patents
Postupak za vađenje i odvajanje rijetkih zemljanih elemenata Download PDFInfo
- Publication number
- HRP20201123T1 HRP20201123T1 HRP20201123TT HRP20201123T HRP20201123T1 HR P20201123 T1 HRP20201123 T1 HR P20201123T1 HR P20201123T T HRP20201123T T HR P20201123TT HR P20201123 T HRP20201123 T HR P20201123T HR P20201123 T1 HRP20201123 T1 HR P20201123T1
- Authority
- HR
- Croatia
- Prior art keywords
- rare earth
- concentrate
- solution
- ore
- oxalate
- Prior art date
Links
- 229910052761 rare earth metal Inorganic materials 0.000 title claims 36
- 238000000926 separation method Methods 0.000 title claims 7
- 238000000605 extraction Methods 0.000 title 1
- 238000000034 method Methods 0.000 claims 19
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims 15
- -1 rare earth salts Chemical class 0.000 claims 15
- 239000012141 concentrate Substances 0.000 claims 12
- 239000000243 solution Substances 0.000 claims 12
- 239000002253 acid Substances 0.000 claims 9
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 9
- 239000011707 mineral Substances 0.000 claims 9
- 239000007864 aqueous solution Substances 0.000 claims 6
- 238000010438 heat treatment Methods 0.000 claims 6
- 150000002910 rare earth metals Chemical class 0.000 claims 6
- 238000002386 leaching Methods 0.000 claims 5
- 239000000395 magnesium oxide Substances 0.000 claims 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims 5
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims 5
- 235000006408 oxalic acid Nutrition 0.000 claims 5
- 239000000463 material Substances 0.000 claims 4
- 238000002156 mixing Methods 0.000 claims 4
- 239000011343 solid material Substances 0.000 claims 4
- 238000005406 washing Methods 0.000 claims 4
- 150000003863 ammonium salts Chemical class 0.000 claims 3
- 230000015572 biosynthetic process Effects 0.000 claims 3
- 229910021645 metal ion Inorganic materials 0.000 claims 3
- 239000000203 mixture Substances 0.000 claims 3
- 238000004448 titration Methods 0.000 claims 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims 2
- 238000000227 grinding Methods 0.000 claims 2
- 239000002244 precipitate Substances 0.000 claims 2
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims 1
- 150000007513 acids Chemical class 0.000 claims 1
- VBIXEXWLHSRNKB-UHFFFAOYSA-N ammonium oxalate Chemical compound [NH4+].[NH4+].[O-]C(=O)C([O-])=O VBIXEXWLHSRNKB-UHFFFAOYSA-N 0.000 claims 1
- 229910017604 nitric acid Inorganic materials 0.000 claims 1
- 238000001556 precipitation Methods 0.000 claims 1
- 235000011149 sulphuric acid Nutrition 0.000 claims 1
Classifications
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- 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
-
- 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
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
-
- 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
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/253—Halides
- C01F17/259—Oxyhalides
-
- 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
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical 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
- C22B59/00—Obtaining rare earth metals
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/22—Electrolytic production, recovery or refining of metals by electrolysis of solutions of metals not provided for in groups C25C1/02 - C25C1/20
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
-
- 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)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Processing Of Solid Wastes (AREA)
- Electrolytic Production Of Metals (AREA)
Claims (12)
1. Postupak za vađenje i odvajanje rijetkih zemljanih elemenata, naznačen time što postupak sadrži sljedeće korake:
davanje rijetkog zemljanog elementa koji sadrži rudu;
mljevenje rijetkog zemljanog elementa koji sadrži rudu radi stvaranja rude u prahu;
ispiranje rude u prahu s najmanje jednom mineralnom kiselinom radi stvaranja otopine za ispiranje koja sadrži rijetki zemljani element i čvrsti materijal;
odvajanje čvrstog materijala od otopine za ispiranje radi stvaranja vodeno-rijetkog zemljanog koncentrata;
taloženje vodeno-rijetkog zemljinog koncentrata za selektivno uklanjanje rijetkog zemljanog elementa iz otopine za ispiranje i za dobivanje taloga rijetkog zemljanog elementa;
zagrijavanje taloga rijetkog zemljanog elementa u zraku radi stvaranja oksida rijetkog zemljanog elementa;
miješanje i zagrijavanje oksida rijetkog zemljanog elementa s amonijevom soli radi stvaranja bezvodnih rijetkih zemljanih soli;
formiranje smjese bezvodnih rijetkih zemljanih soli u vodenoj otopini; i
odvajanje rijetkih zemljanih elementa od vodene otopine kroz proces stvaranja energije pomoću žrtvene anode.
2. Postupak za vađenje rijetkih zemljanih elemenata iz rude koja sadrži rijetku zemlju, postupak sadrži sljedeće korake:
mljevenje rude koja sadrži rijetku zemlju radi stvaranja rude u prahu;
ispiranje rude u prahu s najmanje jednom mineralnom kiselinom radi stvaranja otopine za ispiranje koja sadrži najmanje jedan rijetki zemljani element i čvrsti materijal;
odvajanje čvrstog materijala od otopine za ispiranje;
dodavanje oksalne kiseline u otopinu za ispiranje kako bi se istaložio koncentrat rijetkog zemljanog oksalata;
zagrijavanje koncentrata rijetkog zemljanog oksalata u zraku radi stvaranja oksida rijetkog zemljinog koncentrata;
miješanjem oksida rijetkog zemljanog koncentrata s amonijevom soli i zagrijavanjem na zraku radi dobivanja bezvodnih rijetkih zemljanih soli;
formiranje mješavine bezvodnih rijetkih zemljanih soli u vodenoj otopini; i
odvajanje rijetkih zemljanih elemenata od vodene otopine kroz proces stvaranja energije pomoću žrtvene anode.
3. Postupak prema zahtjevu 2, naznačen time što je mineralna kiselina u koncentraciji s pH manjim od 1.
4. Postupak prema zahtjevu 3, naznačen time što je mineralna kiselina odabrana iz skupine mineralnih kiselina koje sadrže:
HCI, HNO3 i H2SO4.
5. Postupak prema zahtjevu 2, naznačen time što postupak nadalje sadrži korak uklanjanja barem jednog metalnog iona iz otopine za ispiranje.
6. Postupak prema zahtjevu 5, naznačen time što korak uklanjanja barem jednog metalnog iona iz otopine za ispiranje nadalje sadrži titriranje s magnezijevim oksidom (MgO) do pH 14.
7. Postupak prema zahtjevu 2, naznačen time što se korak dodavanja oksalne kiseline zamjenjuje korakom titriranja s magnezijevim oksidom.
8. Postupak prema zahtjevu 2, naznačen time što se korak dodavanja oksalne kiseline zamjenjuje korakom titriranja s magnezijevim oksidom do pH 7 da se stvori rijetki zemljani hidroksid.
9. Postupak prema zahtjevu 2, naznačen time što se korak dodavanja oksalne kiseline zamjenjuje korakom titriranja karbonatom do pH 7 da se dobije karbonatni koncentrat.
10. Postupak za vađenje rijetkih zemljanih elemenata iz rudnog materijala koji sadrži rijetke zemljane elemente, postupak sadrži sljedeće korake:
ispiranje rudnog materijala otopinom mineralne kiseline, pri čemu otopina mineralne kiseline sadrži oksalatni spoj;
miješanje otopine mineralne kiseline za iscrpljivanje rijetkih zemljanih elemenata iz rudnog materijala;
odvajanje iscrpljenog rudnog materijala od otopine mineralne kiseline;
titriranje s bazom radi stvaranja koncentrata rijetkog zemljanog oksalata;
uklanjanje najmanje jednog metalnog iona iz koncentrata rijetkog zemljanog oksalata;
dodavanje oksalne kiseline za taloženje koncentrata rijetkog zemljanog oksalata;
zagrijavanje koncentrata rijetkog zemljinog oksalata u zraku radi stvaranja oksida rijetkog zemljanog koncentrata;
miješanje oksida rijetkih zemljanih elemenata s amonijevom soli i zagrijavanje radi stvaranja bezvodnih rijetkih zemljanih soli;
stvaranje mješavine bezvodnih rijetkih zemljanih soli u vodenoj otopini; i
odvajanje rijetkih zemljanih elemenata od vodene otopine kroz proces stvaranja energije pomoću žrtvene anode.
11. Postupak prema zahtjevu 10, naznačen time što oksalatni spoj sadrži amonijev oksalat.
12. Postupak prema zahtjevu 10, naznačen time što se baza sastoji od magnezijevog oksida.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462037714P | 2014-08-15 | 2014-08-15 | |
| PCT/US2015/045423 WO2016025928A1 (en) | 2014-08-15 | 2015-08-14 | Method for extraction and separation of rare earth elements |
| EP15832278.4A EP3180290B1 (en) | 2014-08-15 | 2015-08-14 | Method for extraction and separation of rare earth elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HRP20201123T1 true HRP20201123T1 (hr) | 2021-01-22 |
Family
ID=55304695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HRP20201123TT HRP20201123T1 (hr) | 2014-08-15 | 2020-07-17 | Postupak za vađenje i odvajanje rijetkih zemljanih elemenata |
Country Status (27)
| Country | Link |
|---|---|
| US (1) | US10494694B2 (hr) |
| EP (1) | EP3180290B1 (hr) |
| JP (1) | JP6622307B2 (hr) |
| KR (1) | KR102441721B1 (hr) |
| CN (1) | CN106573792B (hr) |
| AP (1) | AP2017009745A0 (hr) |
| AU (1) | AU2015301415B2 (hr) |
| BR (1) | BR112017002928B1 (hr) |
| CA (1) | CA2955313C (hr) |
| CL (1) | CL2017000331A1 (hr) |
| DK (1) | DK3180290T3 (hr) |
| EA (1) | EA036195B1 (hr) |
| ES (1) | ES2807250T3 (hr) |
| HR (1) | HRP20201123T1 (hr) |
| HU (1) | HUE051507T2 (hr) |
| IL (1) | IL250527B (hr) |
| LT (1) | LT3180290T (hr) |
| MX (1) | MX2017000918A (hr) |
| PE (1) | PE20170381A1 (hr) |
| PH (1) | PH12017500107A1 (hr) |
| PL (1) | PL3180290T3 (hr) |
| PT (1) | PT3180290T (hr) |
| RS (1) | RS60628B1 (hr) |
| SG (1) | SG11201700280PA (hr) |
| SI (1) | SI3180290T1 (hr) |
| UA (1) | UA118055C2 (hr) |
| WO (1) | WO2016025928A1 (hr) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106119541B (zh) * | 2016-06-23 | 2018-03-27 | 五矿（北京）稀土研究院有限公司 | 一种草酸沉淀稀土的方法 |
| CN107828961B (zh) * | 2017-11-02 | 2024-04-05 | 中国科学院过程工程研究所 | 一种稀土元素离子的萃取方法及得到的稀土富集液 |
| WO2019232276A1 (en) * | 2018-05-30 | 2019-12-05 | Hela Novel Metals Llc | Methods for the production of fine metal powders from metal compounds |
| KR102178440B1 (ko) * | 2018-12-18 | 2020-11-13 | 주식회사 포스코 | 스칸듐을 회수하는 방법 |
| EP3715482A1 (en) | 2019-03-29 | 2020-09-30 | Tata Consultancy Services Limited | Method and system for separation of rare earth elements from secondary sources |
| US11764416B2 (en) * | 2019-08-02 | 2023-09-19 | Iowa State Univerity Research Foundation, Inc. | Chemical dismantling of permanent magnet material and battery material |
| CN114555539A (zh) | 2019-08-13 | 2022-05-27 | 加州理工学院 | 由含钙岩石和矿物生产氧化钙或普通波特兰水泥的工艺 |
| WO2021155224A1 (en) * | 2020-01-30 | 2021-08-05 | The Penn State Research Foundation | Recovery of rare earth elements from acidic solutions |
| US11242605B1 (en) | 2020-03-09 | 2022-02-08 | Vasily Jorjadze | Systems and methods for separating and extracting metals |
| CN111634935A (zh) * | 2020-04-24 | 2020-09-08 | 广西科学院 | 一种纳米稀土氧化物的微波制备方法 |
| CN111944996B (zh) * | 2020-07-10 | 2022-05-17 | 五矿（北京）稀土研究院有限公司 | 一种气封减渗的原地浸矿方法 |
| CN113106497B (zh) * | 2021-04-09 | 2022-04-01 | 河北大有镁业有限责任公司 | 一种利用水解-氯化耦合反应连续生产电解稀土镁合金用原料的方法 |
| EP4198152A1 (en) * | 2021-12-17 | 2023-06-21 | Universitat Politècnica De Catalunya | Recovery of rare earth elements from acidic mine water |
| EP4273284A1 (en) | 2022-05-03 | 2023-11-08 | Centre national de la recherche scientifique | Method for separating a rare earth element in solution |
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2015
- 2015-08-14 SG SG11201700280PA patent/SG11201700280PA/en unknown
- 2015-08-14 AU AU2015301415A patent/AU2015301415B2/en active Active
- 2015-08-14 DK DK15832278.4T patent/DK3180290T3/da active
- 2015-08-14 LT LTEP15832278.4T patent/LT3180290T/lt unknown
- 2015-08-14 AP AP2017009745A patent/AP2017009745A0/en unknown
- 2015-08-14 EA EA201790079A patent/EA036195B1/ru unknown
- 2015-08-14 MX MX2017000918A patent/MX2017000918A/es unknown
- 2015-08-14 UA UAA201700687A patent/UA118055C2/uk unknown
- 2015-08-14 HU HUE15832278A patent/HUE051507T2/hu unknown
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