CA2913557A1 - Procedes d'extraction d'elements de terres rares dans divers minerais - Google Patents

Procedes d'extraction d'elements de terres rares dans divers minerais Download PDF

Info

Publication number: CA2913557A1
Authority: CA; Canada
Prior art keywords: rare earth; earth element; metal ion; solution; chosen
Prior art date: 2011-05-04
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Abandoned

Application number

CA2913557A

Other languages

English (en)

Inventor

Richard Boudreault

Denis PRIMEAU

Joel Fournier

Raymond SIMONEAU

Maria Cristina GARCIA

Heinz Krivanec

Carsten DITTRICH

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Orbite Technologies Inc

Original Assignee

Orbite Technologies Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2011-05-04

Filing date

2012-05-03

Publication date

2012-11-08

2012-03-19 Priority claimed from PCT/CA2012/000253 external-priority patent/WO2012126092A1/fr

2012-05-03 Application filed by Orbite Technologies Inc filed Critical Orbite Technologies Inc

2012-05-03 Priority to CA2913557A priority Critical patent/CA2913557A1/fr

2012-11-08 Publication of CA2913557A1 publication Critical patent/CA2913557A1/fr

Status Abandoned legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 243
229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 237
230000008569 process Effects 0.000 title claims abstract description 224
229910021645 metal ion Inorganic materials 0.000 claims abstract description 155
239000000463 material Substances 0.000 claims abstract description 88
238000002386 leaching Methods 0.000 claims abstract description 83
239000002253 acid Substances 0.000 claims abstract description 70
239000002244 precipitate Substances 0.000 claims abstract description 41
239000007787 solid Substances 0.000 claims abstract description 38
239000000203 mixture Substances 0.000 claims description 101
239000003795 chemical substances by application Substances 0.000 claims description 96
229910052782 aluminium Inorganic materials 0.000 claims description 80
-1 one iron ion Chemical class 0.000 claims description 76
229910052706 scandium Inorganic materials 0.000 claims description 66
SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 claims description 63
229910052733 gallium Inorganic materials 0.000 claims description 56
230000001376 precipitating effect Effects 0.000 claims description 52
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 51
229910052751 metal Inorganic materials 0.000 claims description 40
239000002184 metal Substances 0.000 claims description 40
238000000605 extraction Methods 0.000 claims description 38
229910052727 yttrium Inorganic materials 0.000 claims description 38
VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 36
GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 34
238000000638 solvent extraction Methods 0.000 claims description 34
229910052684 Cerium Inorganic materials 0.000 claims description 28
GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 27
229910052692 Dysprosium Inorganic materials 0.000 claims description 26
229910052691 Erbium Inorganic materials 0.000 claims description 26
239000007788 liquid Substances 0.000 claims description 26
238000000622 liquid--liquid extraction Methods 0.000 claims description 26
KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 claims description 25
UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 claims description 25
229910052738 indium Inorganic materials 0.000 claims description 25
229910052744 lithium Inorganic materials 0.000 claims description 25
238000000926 separation method Methods 0.000 claims description 25
229910052726 zirconium Inorganic materials 0.000 claims description 25
SEGLCEQVOFDUPX-UHFFFAOYSA-N di-(2-ethylhexyl)phosphoric acid Chemical compound CCCCC(CC)COP(O)(=O)OCC(CC)CCCC SEGLCEQVOFDUPX-UHFFFAOYSA-N 0.000 claims description 24
STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims description 23
229940093635 tributyl phosphate Drugs 0.000 claims description 23
JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 21
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 18
229910052693 Europium Inorganic materials 0.000 claims description 17
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical group [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 17
OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 claims description 17
VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 16
229910052772 Samarium Inorganic materials 0.000 claims description 15
229910052688 Gadolinium Inorganic materials 0.000 claims description 14
KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 claims description 14
UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 claims description 13
230000007062 hydrolysis Effects 0.000 claims description 13
238000006460 hydrolysis reaction Methods 0.000 claims description 13
ZDFBXXSHBTVQMB-UHFFFAOYSA-N 2-ethylhexoxy(2-ethylhexyl)phosphinic acid Chemical compound CCCCC(CC)COP(O)(=O)CC(CC)CCCC ZDFBXXSHBTVQMB-UHFFFAOYSA-N 0.000 claims description 12
229910052777 Praseodymium Inorganic materials 0.000 claims description 12
WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 12
229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 11
230000000536 complexating effect Effects 0.000 claims description 11
150000004677 hydrates Chemical class 0.000 claims description 11
PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 11
229910052779 Neodymium Inorganic materials 0.000 claims description 10
239000012535 impurity Substances 0.000 claims description 10
229910052746 lanthanum Inorganic materials 0.000 claims description 10
FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 10
239000010949 copper Substances 0.000 claims description 9
229910001679 gibbsite Inorganic materials 0.000 claims description 9
QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 9
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 8
229910052802 copper Inorganic materials 0.000 claims description 8
SDWUQIDETLBAIU-UHFFFAOYSA-N octyl phenyl hydrogen phosphate Chemical compound CCCCCCCCOP(O)(=O)OC1=CC=CC=C1 SDWUQIDETLBAIU-UHFFFAOYSA-N 0.000 claims description 8
239000005725 8-Hydroxyquinoline Substances 0.000 claims description 7
229910052773 Promethium Inorganic materials 0.000 claims description 7
229960003540 oxyquinoline Drugs 0.000 claims description 7
VQMWBBYLQSCNPO-UHFFFAOYSA-N promethium atom Chemical compound [Pm] VQMWBBYLQSCNPO-UHFFFAOYSA-N 0.000 claims description 7
NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 6
229910052769 Ytterbium Inorganic materials 0.000 claims description 6
229910001570 bauxite Inorganic materials 0.000 claims description 6
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 claims description 6
239000003456 ion exchange resin Substances 0.000 claims description 6
229920003303 ion-exchange polymer Polymers 0.000 claims description 6
239000003350 kerosene Substances 0.000 claims description 6
HYXGAEYDKFCVMU-UHFFFAOYSA-N scandium(III) oxide Inorganic materials O=[Sc]O[Sc]=O HYXGAEYDKFCVMU-UHFFFAOYSA-N 0.000 claims description 6
238000001179 sorption measurement Methods 0.000 claims description 6
239000010936 titanium Substances 0.000 claims description 6
239000011701 zinc Substances 0.000 claims description 6
QLNCGPQPLNZSHD-UHFFFAOYSA-N CC(C)CCC(CCC(C)C)OP(O)=O Chemical compound CC(C)CCC(CCC(C)C)OP(O)=O QLNCGPQPLNZSHD-UHFFFAOYSA-N 0.000 claims description 5
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical group [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
KZIUWSQALWALJH-UHFFFAOYSA-N bis(2-ethylhexyl)phosphinic acid Chemical compound CCCCC(CC)CP(O)(=O)CC(CC)CCCC KZIUWSQALWALJH-UHFFFAOYSA-N 0.000 claims description 5
KUYLHALFMPOMKK-UHFFFAOYSA-N hydroxy-sulfanylidene-bis(2,4,4-trimethylpentyl)-$l^{5}-phosphane Chemical compound CC(C)(C)CC(C)CP(O)(=S)CC(C)CC(C)(C)C KUYLHALFMPOMKK-UHFFFAOYSA-N 0.000 claims description 5
229910052759 nickel Inorganic materials 0.000 claims description 5
239000002904 solvent Substances 0.000 claims description 5
229910052719 titanium Inorganic materials 0.000 claims description 5
NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 claims description 5
229910052725 zinc Inorganic materials 0.000 claims description 5
FOCGWLUKTRKABV-XBXARRHUSA-N 1-[2-oxo-2-[4-[(e)-3-phenylprop-2-enyl]piperazin-1-yl]ethyl]pyrrolidin-2-one Chemical compound C1CN(C\C=C\C=2C=CC=CC=2)CCN1C(=O)CN1CCCC1=O FOCGWLUKTRKABV-XBXARRHUSA-N 0.000 claims description 4
JJJOZVFVARQUJV-UHFFFAOYSA-N 2-ethylhexylphosphonic acid Chemical group CCCCC(CC)CP(O)(O)=O JJJOZVFVARQUJV-UHFFFAOYSA-N 0.000 claims description 4
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 4
FLTRNWIFKITPIO-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe] FLTRNWIFKITPIO-UHFFFAOYSA-N 0.000 claims description 4
229910017604 nitric acid Inorganic materials 0.000 claims description 4
MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical group C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 claims description 4
239000004721 Polyphenylene oxide Substances 0.000 claims description 3
WDLRUFUQRNWCPK-UHFFFAOYSA-N Tetraxetan Chemical compound OC(=O)CN1CCN(CC(O)=O)CCN(CC(O)=O)CCN(CC(O)=O)CC1 WDLRUFUQRNWCPK-UHFFFAOYSA-N 0.000 claims description 3
239000006227 byproduct Substances 0.000 claims description 3
229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 3
238000005363 electrowinning Methods 0.000 claims description 3
239000006260 foam Substances 0.000 claims description 3
QZQVBEXLDFYHSR-UHFFFAOYSA-N gallium(III) oxide Inorganic materials O=[Ga]O[Ga]=O QZQVBEXLDFYHSR-UHFFFAOYSA-N 0.000 claims description 3
229920000570 polyether Polymers 0.000 claims description 3
229920002635 polyurethane Polymers 0.000 claims description 3
239000004814 polyurethane Substances 0.000 claims description 3
HZIUHEQKVCPTAJ-UHFFFAOYSA-N 3-(2-ethylhexoxyphosphonoyloxymethyl)heptane Chemical group CCCCC(CC)COP(=O)OCC(CC)CCCC HZIUHEQKVCPTAJ-UHFFFAOYSA-N 0.000 claims description 2
108091005950 Azurite Proteins 0.000 claims description 2
229910019142 PO4 Inorganic materials 0.000 claims description 2
229910018096 ScF3 Inorganic materials 0.000 claims description 2
241000907663 Siproeta stelenes Species 0.000 claims description 2
UIFOTCALDQIDTI-UHFFFAOYSA-N arsanylidynenickel Chemical group [As]#[Ni] UIFOTCALDQIDTI-UHFFFAOYSA-N 0.000 claims description 2
229910052614 beryl Inorganic materials 0.000 claims description 2
229910052948 bornite Inorganic materials 0.000 claims description 2
229910052947 chalcocite Inorganic materials 0.000 claims description 2
229910052951 chalcopyrite Inorganic materials 0.000 claims description 2
DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 claims description 2
BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 claims description 2
LBJNMUFDOHXDFG-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu].[Cu] LBJNMUFDOHXDFG-UHFFFAOYSA-N 0.000 claims description 2
229910052955 covellite Inorganic materials 0.000 claims description 2
229910001610 cryolite Inorganic materials 0.000 claims description 2
239000002223 garnet Substances 0.000 claims description 2
YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 claims description 2
229910001564 kamacite Inorganic materials 0.000 claims description 2
229910001710 laterite Inorganic materials 0.000 claims description 2
239000011504 laterite Substances 0.000 claims description 2
229910052954 pentlandite Inorganic materials 0.000 claims description 2
239000010452 phosphate Substances 0.000 claims description 2
OEKDNFRQVZLFBZ-UHFFFAOYSA-K scandium fluoride Chemical compound F[Sc](F)F OEKDNFRQVZLFBZ-UHFFFAOYSA-K 0.000 claims description 2
229910052950 sphalerite Inorganic materials 0.000 claims description 2
229910052596 spinel Inorganic materials 0.000 claims description 2
239000011029 spinel Substances 0.000 claims description 2
229910001565 taenite Inorganic materials 0.000 claims description 2
229910052969 tetrahedrite Inorganic materials 0.000 claims description 2
GWBUNZLLLLDXMD-UHFFFAOYSA-H tricopper;dicarbonate;dihydroxide Chemical compound [OH-].[OH-].[Cu+2].[Cu+2].[Cu+2].[O-]C([O-])=O.[O-]C([O-])=O GWBUNZLLLLDXMD-UHFFFAOYSA-H 0.000 claims description 2
229910000010 zinc carbonate Inorganic materials 0.000 claims description 2
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 3
YWACCMLWVBYNHR-UHFFFAOYSA-N 7-(5-ethylnonan-2-yl)quinolin-8-ol Chemical compound C1=CC=NC2=C(O)C(C(C)CCC(CC)CCCC)=CC=C21 YWACCMLWVBYNHR-UHFFFAOYSA-N 0.000 claims 2
GZUKUHXFBBMCIG-UHFFFAOYSA-N CCCCC(CC)CC(CC)(CCCC)COP(O)=O Chemical compound CCCCC(CC)CC(CC)(CCCC)COP(O)=O GZUKUHXFBBMCIG-UHFFFAOYSA-N 0.000 claims 2
CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims 1
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 204
239000000243 solution Substances 0.000 description 129
XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 80
229910052742 iron Inorganic materials 0.000 description 42
238000011084 recovery Methods 0.000 description 35
238000001556 precipitation Methods 0.000 description 30
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 23
TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 22
CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 19
230000008901 benefit Effects 0.000 description 18
238000001354 calcination Methods 0.000 description 17
150000001805 chlorine compounds Chemical class 0.000 description 15
150000002500 ions Chemical class 0.000 description 15
238000006243 chemical reaction Methods 0.000 description 13
238000002425 crystallisation Methods 0.000 description 13
230000008025 crystallization Effects 0.000 description 13
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 12
229910052595 hematite Inorganic materials 0.000 description 12
239000011019 hematite Substances 0.000 description 12
LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 12
150000002739 metals Chemical class 0.000 description 12
239000007864 aqueous solution Substances 0.000 description 11
229910001629 magnesium chloride Inorganic materials 0.000 description 11
239000000395 magnesium oxide Substances 0.000 description 11
235000012245 magnesium oxide Nutrition 0.000 description 11
239000000047 product Substances 0.000 description 11
239000000377 silicon dioxide Substances 0.000 description 11
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
229910021578 Iron(III) chloride Inorganic materials 0.000 description 10
IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 10
229910000041 hydrogen chloride Inorganic materials 0.000 description 10
RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 10
239000012528 membrane Substances 0.000 description 10
MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 9
150000004679 hydroxides Chemical class 0.000 description 9
NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 9
239000012074 organic phase Substances 0.000 description 9
239000004927 clay Substances 0.000 description 8
238000001914 filtration Methods 0.000 description 8
239000012452 mother liquor Substances 0.000 description 8
JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 7
IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 7
PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 7
239000002585 base Substances 0.000 description 7
239000003153 chemical reaction reagent Substances 0.000 description 7
229910052500 inorganic mineral Inorganic materials 0.000 description 7
229960002337 magnesium chloride Drugs 0.000 description 7
238000004519 manufacturing process Methods 0.000 description 7
229910001510 metal chloride Inorganic materials 0.000 description 7
235000010755 mineral Nutrition 0.000 description 7
239000011707 mineral Substances 0.000 description 7
238000000746 purification Methods 0.000 description 7
150000002910 rare earth metals Chemical class 0.000 description 7
239000007858 starting material Substances 0.000 description 7
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
LCKIEQZJEYYRIY-UHFFFAOYSA-N Titanium ion Chemical compound [Ti+4] LCKIEQZJEYYRIY-UHFFFAOYSA-N 0.000 description 6
239000008346 aqueous phase Substances 0.000 description 6
239000012141 concentrate Substances 0.000 description 6
229910001431 copper ion Inorganic materials 0.000 description 6
238000005516 engineering process Methods 0.000 description 6
239000012510 hollow fiber Substances 0.000 description 6
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 6
FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 6
229910001453 nickel ion Inorganic materials 0.000 description 6
239000002245 particle Substances 0.000 description 6
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 5
JGDITNMASUZKPW-UHFFFAOYSA-K aluminium trichloride hexahydrate Chemical compound O.O.O.O.O.O.Cl[Al](Cl)Cl JGDITNMASUZKPW-UHFFFAOYSA-K 0.000 description 5
229940009861 aluminum chloride hexahydrate Drugs 0.000 description 5
150000001875 compounds Chemical class 0.000 description 5
229960002089 ferrous chloride Drugs 0.000 description 5
239000007789 gas Substances 0.000 description 5
229910052749 magnesium Inorganic materials 0.000 description 5
239000011777 magnesium Substances 0.000 description 5
239000003960 organic solvent Substances 0.000 description 5
KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Substances [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 5
150000003839 salts Chemical class 0.000 description 5
238000011282 treatment Methods 0.000 description 5
229910052765 Lutetium Inorganic materials 0.000 description 4
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 4
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
229910052775 Thulium Inorganic materials 0.000 description 4
229940063656 aluminum chloride Drugs 0.000 description 4
238000013459 approach Methods 0.000 description 4
229910052799 carbon Inorganic materials 0.000 description 4
238000010586 diagram Methods 0.000 description 4
238000010438 heat treatment Methods 0.000 description 4
229940091250 magnesium supplement Drugs 0.000 description 4
239000012071 phase Substances 0.000 description 4
238000004094 preconcentration Methods 0.000 description 4
238000012545 processing Methods 0.000 description 4
239000002994 raw material Substances 0.000 description 4
230000035484 reaction time Effects 0.000 description 4
239000000126 substance Substances 0.000 description 4
229910052689 Holmium Inorganic materials 0.000 description 3
229910021577 Iron(II) chloride Inorganic materials 0.000 description 3
WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
229910052771 Terbium Inorganic materials 0.000 description 3
QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 3
239000003638 chemical reducing agent Substances 0.000 description 3
239000012065 filter cake Substances 0.000 description 3
150000004687 hexahydrates Chemical class 0.000 description 3
KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 3
APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 3
OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical compound [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 description 3
AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 3
235000011118 potassium hydroxide Nutrition 0.000 description 3
238000002360 preparation method Methods 0.000 description 3
239000002893 slag Substances 0.000 description 3
FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Inorganic materials [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
229910052938 sodium sulfate Inorganic materials 0.000 description 3
235000011152 sodium sulphate Nutrition 0.000 description 3
GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 3
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
229910002651 NO3 Inorganic materials 0.000 description 2
NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
230000002378 acidificating effect Effects 0.000 description 2
150000007513 acids Chemical class 0.000 description 2
229910052791 calcium Inorganic materials 0.000 description 2
239000011575 calcium Substances 0.000 description 2
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
239000000920 calcium hydroxide Substances 0.000 description 2
235000011116 calcium hydroxide Nutrition 0.000 description 2
229910001861 calcium hydroxide Inorganic materials 0.000 description 2
238000005119 centrifugation Methods 0.000 description 2
238000004140 cleaning Methods 0.000 description 2
238000009833 condensation Methods 0.000 description 2
230000005494 condensation Effects 0.000 description 2
238000010924 continuous production Methods 0.000 description 2
239000013078 crystal Substances 0.000 description 2
MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 description 2
238000010908 decantation Methods 0.000 description 2
239000003085 diluting agent Substances 0.000 description 2
239000012530 fluid Substances 0.000 description 2
238000000227 grinding Methods 0.000 description 2
230000006872 improvement Effects 0.000 description 2
239000012633 leachable Substances 0.000 description 2
229940050906 magnesium chloride hexahydrate Drugs 0.000 description 2
VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
239000000347 magnesium hydroxide Substances 0.000 description 2
229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
235000012254 magnesium hydroxide Nutrition 0.000 description 2
235000006408 oxalic acid Nutrition 0.000 description 2
TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 2
UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 description 2
229910052700 potassium Inorganic materials 0.000 description 2
239000011591 potassium Substances 0.000 description 2
239000001103 potassium chloride Substances 0.000 description 2
235000011164 potassium chloride Nutrition 0.000 description 2
230000009467 reduction Effects 0.000 description 2
230000000717 retained effect Effects 0.000 description 2
229920006395 saturated elastomer Polymers 0.000 description 2
238000005201 scrubbing Methods 0.000 description 2
239000002002 slurry Substances 0.000 description 2
239000011780 sodium chloride Substances 0.000 description 2
150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
235000011149 sulphuric acid Nutrition 0.000 description 2
238000012360 testing method Methods 0.000 description 2
238000005406 washing Methods 0.000 description 2
PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
KYARBIJYVGJZLB-UHFFFAOYSA-N 7-amino-4-hydroxy-2-naphthalenesulfonic acid Chemical compound OC1=CC(S(O)(=O)=O)=CC2=CC(N)=CC=C21 KYARBIJYVGJZLB-UHFFFAOYSA-N 0.000 description 1
OAOABCKPVCUNKO-UHFFFAOYSA-N 8-methyl Nonanoic acid Chemical compound CC(C)CCCCCCC(O)=O OAOABCKPVCUNKO-UHFFFAOYSA-N 0.000 description 1
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
239000004215 Carbon black (E152) Substances 0.000 description 1
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
241001101998 Galium Species 0.000 description 1
239000007832 Na2SO4 Substances 0.000 description 1
238000005299 abrasion Methods 0.000 description 1
238000010306 acid treatment Methods 0.000 description 1
239000003929 acidic solution Substances 0.000 description 1
239000003463 adsorbent Substances 0.000 description 1
238000013019 agitation Methods 0.000 description 1
125000001931 aliphatic group Chemical group 0.000 description 1
229910052783 alkali metal Inorganic materials 0.000 description 1
150000001340 alkali metals Chemical class 0.000 description 1
OJYGBLRPYBAHRT-UHFFFAOYSA-N alphachloralose Chemical compound O1C(C(Cl)(Cl)Cl)OC2C(O)C(C(O)CO)OC21 OJYGBLRPYBAHRT-UHFFFAOYSA-N 0.000 description 1
229910000329 aluminium sulfate Inorganic materials 0.000 description 1
DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
235000011128 aluminium sulphate Nutrition 0.000 description 1
229910021529 ammonia Inorganic materials 0.000 description 1
SOIFLUNRINLCBN-UHFFFAOYSA-N ammonium thiocyanate Chemical compound [NH4+].[S-]C#N SOIFLUNRINLCBN-UHFFFAOYSA-N 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
238000010923 batch production Methods 0.000 description 1
230000033228 biological regulation Effects 0.000 description 1
238000009835 boiling Methods 0.000 description 1
235000012255 calcium oxide Nutrition 0.000 description 1
239000000292 calcium oxide Substances 0.000 description 1
150000001768 cations Chemical class 0.000 description 1
VYLVYHXQOHJDJL-UHFFFAOYSA-K cerium trichloride Chemical compound Cl[Ce](Cl)Cl VYLVYHXQOHJDJL-UHFFFAOYSA-K 0.000 description 1
238000003889 chemical engineering Methods 0.000 description 1
239000000460 chlorine Substances 0.000 description 1
229910052801 chlorine Inorganic materials 0.000 description 1
238000000658 coextraction Methods 0.000 description 1
230000002860 competitive effect Effects 0.000 description 1
230000009918 complex formation Effects 0.000 description 1
239000000470 constituent Substances 0.000 description 1
230000029087 digestion Effects 0.000 description 1
238000001035 drying Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
239000003344 environmental pollutant Substances 0.000 description 1
239000012527 feed solution Substances 0.000 description 1
239000003337 fertilizer Substances 0.000 description 1
239000000706 filtrate Substances 0.000 description 1
239000007792 gaseous phase Substances 0.000 description 1
238000003837 high-temperature calcination Methods 0.000 description 1
229930195733 hydrocarbon Natural products 0.000 description 1
150000002430 hydrocarbons Chemical class 0.000 description 1
238000001027 hydrothermal synthesis Methods 0.000 description 1
150000002505 iron Chemical class 0.000 description 1
229910021506 iron(II) hydroxide Inorganic materials 0.000 description 1
238000002955 isolation Methods 0.000 description 1
229910052935 jarosite Inorganic materials 0.000 description 1
DHRRIBDTHFBPNG-UHFFFAOYSA-L magnesium dichloride hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[Cl-].[Cl-] DHRRIBDTHFBPNG-UHFFFAOYSA-L 0.000 description 1
229910044991 metal oxide Inorganic materials 0.000 description 1
150000004706 metal oxides Chemical class 0.000 description 1
238000005272 metallurgy Methods 0.000 description 1
XKBGEWXEAPTVCK-UHFFFAOYSA-M methyltrioctylammonium chloride Chemical compound [Cl-].CCCCCCCC[N+](C)(CCCCCCCC)CCCCCCCC XKBGEWXEAPTVCK-UHFFFAOYSA-M 0.000 description 1
238000005065 mining Methods 0.000 description 1
XTAZYLNFDRKIHJ-UHFFFAOYSA-N n,n-dioctyloctan-1-amine Chemical compound CCCCCCCCN(CCCCCCCC)CCCCCCCC XTAZYLNFDRKIHJ-UHFFFAOYSA-N 0.000 description 1
239000007800 oxidant agent Substances 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
238000005191 phase separation Methods 0.000 description 1
UXBZSSBXGPYSIL-UHFFFAOYSA-N phosphoric acid;yttrium(3+) Chemical compound [Y+3].OP(O)(O)=O UXBZSSBXGPYSIL-UHFFFAOYSA-N 0.000 description 1
231100000719 pollutant Toxicity 0.000 description 1
OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
229910052939 potassium sulfate Inorganic materials 0.000 description 1
235000011151 potassium sulphates Nutrition 0.000 description 1
238000001953 recrystallisation Methods 0.000 description 1
238000007670 refining Methods 0.000 description 1
230000008929 regeneration Effects 0.000 description 1
238000011069 regeneration method Methods 0.000 description 1
238000010956 selective crystallization Methods 0.000 description 1
235000012239 silicon dioxide Nutrition 0.000 description 1
239000011734 sodium Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
235000017557 sodium bicarbonate Nutrition 0.000 description 1
229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
239000011343 solid material Substances 0.000 description 1
229910021653 sulphate ion Inorganic materials 0.000 description 1
150000003512 tertiary amines Chemical class 0.000 description 1
238000009997 thermal pre-treatment Methods 0.000 description 1
238000007669 thermal treatment Methods 0.000 description 1
238000012546 transfer Methods 0.000 description 1
230000009466 transformation Effects 0.000 description 1
230000035899 viability Effects 0.000 description 1
229910000164 yttrium(III) phosphate Inorganic materials 0.000 description 1

Classifications

- 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

Manufacture And Refinement Of Metals (AREA)

CA2913557A 2011-05-04 2012-05-03 Procedes d'extraction d'elements de terres rares dans divers minerais Abandoned CA2913557A1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA2913557A CA2913557A1 (fr)	2011-05-04	2012-05-03	Procedes d'extraction d'elements de terres rares dans divers minerais

Applications Claiming Priority (8)

Application Number	Priority Date	Filing Date	Title
US201161482253P	2011-05-04	2011-05-04
US61/482,253		2011-05-04
US201161535435P	2011-09-16	2011-09-16
US61/535,435		2011-09-16
PCT/CA2012/000253 WO2012126092A1 (fr)	2011-03-18	2012-03-19	Procédés permettant de récupérer des éléments de terres rares à partir de matériaux renfermant de l'aluminium
CAPCT/CA2012/000253		2012-03-19
CA2913557A CA2913557A1 (fr)	2011-05-04	2012-05-03	Procedes d'extraction d'elements de terres rares dans divers minerais
CA2834151A CA2834151C (fr)	2011-05-04	2012-05-03	Procedes d'extraction d'elements de terres rares dans divers minerais

Related Parent Applications (1)

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CA2834151A Division CA2834151C (fr)	2011-05-04	2012-05-03	Procedes d'extraction d'elements de terres rares dans divers minerais

Publications (1)

Publication Number	Publication Date
CA2913557A1 true CA2913557A1 (fr)	2012-11-08

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CA2913557A Abandoned CA2913557A1 (fr)	2011-05-04	2012-05-03	Procedes d'extraction d'elements de terres rares dans divers minerais

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Cited By (3)

* Cited by examiner, † Cited by third party
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CN114249308A (zh) *	2021-11-19	2022-03-29	四川大学	一种含磷混合稀土精矿中的磷资源和稀土资源提取方法
CN115057445A (zh) *	2022-07-22	2022-09-16	包头稀土研究院	硅氟氢酸的生产方法及混合稀土精矿的处理工艺
WO2024082057A1 (fr) *	2022-10-20	2024-04-25	Central America Nickel Inc.	Procédé d'extraction d'éléments des terres rares

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CN113106272B (zh) *	2021-04-12	2022-10-28	江西离子型稀土工程技术研究有限公司	一种离子型稀土矿浸―淋一体化方法
CN115679124B (zh) *	2022-11-07	2023-08-18	南通晶朋新材料科技有限公司	分离铪和锆的工艺

2012
- 2012-05-03 CA CA2834151A patent/CA2834151C/fr not_active Expired - Fee Related
- 2012-05-03 CA CA2913557A patent/CA2913557A1/fr not_active Abandoned

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN114249308A (zh) *	2021-11-19	2022-03-29	四川大学	一种含磷混合稀土精矿中的磷资源和稀土资源提取方法
CN114249308B (zh) *	2021-11-19	2023-09-08	四川大学	一种含磷混合稀土精矿中的磷资源和稀土资源提取方法
CN115057445A (zh) *	2022-07-22	2022-09-16	包头稀土研究院	硅氟氢酸的生产方法及混合稀土精矿的处理工艺
CN115057445B (zh) *	2022-07-22	2023-11-24	包头稀土研究院	硅氟氢酸的生产方法及混合稀土精矿的处理工艺
WO2024082057A1 (fr) *	2022-10-20	2024-04-25	Central America Nickel Inc.	Procédé d'extraction d'éléments des terres rares

Also Published As

Publication number	Publication date
CA2834151A1 (fr)	2012-11-08
CA2834151C (fr)	2015-12-22

Legal Events

Date	Code	Title	Description
2015-12-17	EEER	Examination request	Effective date: 20151126
2018-04-02	FZDE	Dead	Effective date: 20180219

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CA2829049C (fr)	2014-12-02	Procedes permettant de recuperer des elements de terres rares a partir de materiaux renfermant de l'aluminium
US20150104361A1 (en)	2015-04-16	Processes for recovering rare earth elements and rare metals
US9353425B2 (en)	2016-05-31	Processes for preparing alumina and magnesium chloride by HCl leaching of various materials
CA2868363A1 (fr)	2013-09-26	Procedes pour la recuperation d'elements terres rares et de metaux rares
CA2834151C (fr)	2015-12-22	Procedes d'extraction d'elements de terres rares dans divers minerais
CA2790558A1 (fr)	2014-03-19	Procedes pour la recuperation d'elements terres rares et de metaux rares
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