DE2238665A1 - Verfahren zur aufbereitung von erzen - Google Patents
Verfahren zur aufbereitung von erzenInfo
- Publication number
- DE2238665A1 DE2238665A1 DE2238665A DE2238665A DE2238665A1 DE 2238665 A1 DE2238665 A1 DE 2238665A1 DE 2238665 A DE2238665 A DE 2238665A DE 2238665 A DE2238665 A DE 2238665A DE 2238665 A1 DE2238665 A1 DE 2238665A1
- Authority
- DE
- Germany
- Prior art keywords
- uranium
- minerals
- fluorine
- chloride
- yttrium
- Prior art date
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 46
- 230000008569 process Effects 0.000 title claims description 16
- 238000012545 processing Methods 0.000 title claims description 14
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 53
- 239000011707 mineral Substances 0.000 claims description 53
- 229910052770 Uranium Inorganic materials 0.000 claims description 47
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 claims description 46
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 claims description 35
- 239000011737 fluorine Substances 0.000 claims description 30
- 229910052731 fluorine Inorganic materials 0.000 claims description 30
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 27
- 229910052587 fluorapatite Inorganic materials 0.000 claims description 25
- 239000000460 chlorine Substances 0.000 claims description 18
- VPCDQGACGWYTMC-UHFFFAOYSA-N nitrosyl chloride Chemical compound ClN=O VPCDQGACGWYTMC-UHFFFAOYSA-N 0.000 claims description 18
- 235000019392 nitrosyl chloride Nutrition 0.000 claims description 18
- 229910052727 yttrium Inorganic materials 0.000 claims description 14
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 14
- 229910052586 apatite Inorganic materials 0.000 claims description 13
- 238000000605 extraction Methods 0.000 claims description 13
- 229940077441 fluorapatite Drugs 0.000 claims description 13
- 239000003153 chemical reaction reagent Substances 0.000 claims description 12
- 229910052585 phosphate mineral Inorganic materials 0.000 claims description 12
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 11
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 claims description 10
- 239000004157 Nitrosyl chloride Substances 0.000 claims description 10
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 150000004820 halides Chemical class 0.000 claims description 9
- 239000003513 alkali Substances 0.000 claims description 8
- -1 rare earth compounds Chemical class 0.000 claims description 8
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 229910000164 yttrium(III) phosphate Inorganic materials 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 5
- 230000000737 periodic effect Effects 0.000 claims description 5
- RLOWWWKZYUNIDI-UHFFFAOYSA-N phosphinic chloride Chemical compound ClP=O RLOWWWKZYUNIDI-UHFFFAOYSA-N 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- YBBRCQOCSYXUOC-UHFFFAOYSA-N sulfuryl dichloride Chemical compound ClS(Cl)(=O)=O YBBRCQOCSYXUOC-UHFFFAOYSA-N 0.000 claims description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 150000002222 fluorine compounds Chemical class 0.000 claims description 3
- UXBZSSBXGPYSIL-UHFFFAOYSA-N phosphoric acid;yttrium(3+) Chemical compound [Y+3].OP(O)(O)=O UXBZSSBXGPYSIL-UHFFFAOYSA-N 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 229940050560 calcium chloride anhydrous Drugs 0.000 claims 1
- 230000029087 digestion Effects 0.000 claims 1
- 229910052761 rare earth metal Inorganic materials 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 claims 1
- 229910001727 uranium mineral Inorganic materials 0.000 claims 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 24
- 229910019142 PO4 Inorganic materials 0.000 description 18
- 235000021317 phosphate Nutrition 0.000 description 18
- 229910052801 chlorine Inorganic materials 0.000 description 15
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 13
- 239000010452 phosphate Substances 0.000 description 13
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- 229910052589 chlorapatite Inorganic materials 0.000 description 11
- PROQIPRRNZUXQM-ZXXIGWHRSA-N estriol Chemical compound OC1=CC=C2[C@H]3CC[C@](C)([C@H]([C@H](O)C4)O)[C@@H]4[C@@H]3CCC2=C1 PROQIPRRNZUXQM-ZXXIGWHRSA-N 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000000047 product Substances 0.000 description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 239000000376 reactant Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 150000001805 chlorine compounds Chemical class 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 239000006104 solid solution Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- ZQBZAOZWBKABNC-UHFFFAOYSA-N [P].[Ca] Chemical class [P].[Ca] ZQBZAOZWBKABNC-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000006115 defluorination reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003337 fertilizer Substances 0.000 description 3
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 3
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 235000011007 phosphoric acid Nutrition 0.000 description 3
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- YWYZEGXAUVWDED-UHFFFAOYSA-N triammonium citrate Chemical compound [NH4+].[NH4+].[NH4+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O YWYZEGXAUVWDED-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- UXBZSSBXGPYSIL-UHFFFAOYSA-K yttrium(iii) phosphate Chemical compound [Y+3].[O-]P([O-])([O-])=O UXBZSSBXGPYSIL-UHFFFAOYSA-K 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 241001634499 Cola Species 0.000 description 2
- 235000016795 Cola Nutrition 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- JUNWLZAGQLJVLR-UHFFFAOYSA-J calcium diphosphate Chemical compound [Ca+2].[Ca+2].[O-]P([O-])(=O)OP([O-])([O-])=O JUNWLZAGQLJVLR-UHFFFAOYSA-J 0.000 description 2
- 229940043256 calcium pyrophosphate Drugs 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 235000019821 dicalcium diphosphate Nutrition 0.000 description 2
- GUYBGCBOZOALMT-UHFFFAOYSA-J dicalcium;fluoride;phosphate Chemical compound [F-].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O GUYBGCBOZOALMT-UHFFFAOYSA-J 0.000 description 2
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005283 ground state Effects 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052747 lanthanoid Inorganic materials 0.000 description 2
- 150000002602 lanthanoids Chemical class 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000011135 tin Substances 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- GJCOSYZMQJWQCA-UHFFFAOYSA-N 9H-xanthene Chemical compound C1=CC=C2CC3=CC=CC=C3OC2=C1 GJCOSYZMQJWQCA-UHFFFAOYSA-N 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 244000228088 Cola acuminata Species 0.000 description 1
- 235000010205 Cola acuminata Nutrition 0.000 description 1
- 235000015438 Cola nitida Nutrition 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 241001207047 Garcinia afzelii Species 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical group OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical group O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910052773 Promethium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 150000001224 Uranium Chemical class 0.000 description 1
- 238000002083 X-ray spectrum Methods 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910001514 alkali metal chloride Inorganic materials 0.000 description 1
- 229910001617 alkaline earth metal chloride Inorganic materials 0.000 description 1
- QVZZPLDJERFENQ-NKTUOASPSA-N bassianolide Chemical compound CC(C)C[C@@H]1N(C)C(=O)[C@@H](C(C)C)OC(=O)[C@H](CC(C)C)N(C)C(=O)[C@@H](C(C)C)OC(=O)[C@H](CC(C)C)N(C)C(=O)[C@@H](C(C)C)OC(=O)[C@H](CC(C)C)N(C)C(=O)[C@@H](C(C)C)OC1=O QVZZPLDJERFENQ-NKTUOASPSA-N 0.000 description 1
- 150000003842 bromide salts Chemical class 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- ROPDWRCJTIRLTR-UHFFFAOYSA-L calcium metaphosphate Chemical compound [Ca+2].[O-]P(=O)=O.[O-]P(=O)=O ROPDWRCJTIRLTR-UHFFFAOYSA-L 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 235000011180 diphosphates Nutrition 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 150000002221 fluorine Chemical class 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000004694 iodide salts Chemical class 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical compound [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 125000005341 metaphosphate group Chemical group 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000002686 phosphate fertilizer Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- VQMWBBYLQSCNPO-UHFFFAOYSA-N promethium atom Chemical compound [Pm] VQMWBBYLQSCNPO-UHFFFAOYSA-N 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000004876 x-ray fluorescence Methods 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/455—Phosphates containing halogen
-
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B60/00—Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
- C22B60/02—Obtaining thorium, uranium, or other actinides
- C22B60/0204—Obtaining thorium, uranium, or other actinides obtaining uranium
- C22B60/0213—Obtaining thorium, uranium, or other actinides obtaining uranium by dry processes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7128914A FR2148873A1 (enExample) | 1971-08-06 | 1971-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2238665A1 true DE2238665A1 (de) | 1973-02-15 |
Family
ID=9081585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2238665A Withdrawn DE2238665A1 (de) | 1971-08-06 | 1972-08-05 | Verfahren zur aufbereitung von erzen |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3925062A (enExample) |
| AU (1) | AU463894B2 (enExample) |
| BR (1) | BR7205282D0 (enExample) |
| CA (1) | CA1018775A (enExample) |
| DE (1) | DE2238665A1 (enExample) |
| ES (1) | ES405613A1 (enExample) |
| FR (1) | FR2148873A1 (enExample) |
| OA (1) | OA04144A (enExample) |
| SU (1) | SU578852A3 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015202627A1 (de) * | 2015-02-13 | 2016-08-18 | Siemens Aktiengesellschaft | Reaktor zum Aufschließen eines Seltenerd-haltigen Feststoffs |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3009933C2 (de) | 1980-03-14 | 1982-04-08 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe | Verfahren zur Beseitigung festhaftender bzw. staubförmiger Ablagerungen in Anlagen zur Handhabung von Uranhexafluorid |
| FR2485504A1 (fr) * | 1980-06-30 | 1981-12-31 | Centre Nat Rech Scient | Nouveau materiau fritte, sa preparation et son application a la realisation de prothese osseuse |
| US4900536A (en) * | 1987-11-16 | 1990-02-13 | Westinghouse Electric Corp. | Preparation of precursors for yttrium-containing ceramic superconductors |
| BR8707200A (pt) * | 1987-12-23 | 1989-08-15 | Pirelli Brasil | Sintese de supercondutores a partir da xenotima |
| US5045289A (en) * | 1989-10-04 | 1991-09-03 | Research Corporation Technologies, Inc. | Formation of rare earth carbonates using supercritical carbon dioxide |
| US5314526A (en) * | 1990-12-06 | 1994-05-24 | General Motors Corporation | Metallothermic reduction of rare earth fluorides |
| US5368736A (en) * | 1993-07-26 | 1994-11-29 | The United States Of America As Represented By The United States Department Of Energy | Process for the separation and purification of yttrium-90 for medical applications |
| RU2119548C1 (ru) * | 1997-12-17 | 1998-09-27 | Центральный научно-исследовательский институт конструкционных материалов "Прометей" | Коррозионно-стойкая сталь |
| US6632263B1 (en) | 2002-05-01 | 2003-10-14 | Federal - Mogul World Wide, Inc. | Sintered products having good machineability and wear characteristics |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2485841A (en) * | 1940-10-29 | 1949-10-25 | Pacyna Arnold | Recovery of uranium and vanadium from ores |
| US2725284A (en) * | 1943-12-13 | 1955-11-29 | Milton J Polissar | Apparatus for reacting dense chlorinating vapor with a solid |
| US2531046A (en) * | 1946-04-26 | 1950-11-21 | Coronet Phosphate Company | Defluorination of phosphate rock |
| US2773736A (en) * | 1952-08-08 | 1956-12-11 | Smith Douglass Company Inc | Treatment of phosphate rock to recover phosphorus, fluorine, calcium, and uranium |
| US2890099A (en) * | 1956-06-06 | 1959-06-09 | Harrison B Rhodes | Recovery of uranium from low grade uranium bearing ores |
| US2867501A (en) * | 1956-06-06 | 1959-01-06 | William R Hanley | Volatile chloride process for the recovery of metal values |
| US3353928A (en) * | 1965-02-26 | 1967-11-21 | American Potash & Chem Corp | Process for treating rare earth-fluorine materials |
-
1971
- 1971-08-06 FR FR7128914A patent/FR2148873A1/fr not_active Withdrawn
-
1972
- 1972-08-02 US US277206A patent/US3925062A/en not_active Expired - Lifetime
- 1972-08-04 BR BR5282/72A patent/BR7205282D0/pt unknown
- 1972-08-04 OA OA54652A patent/OA04144A/xx unknown
- 1972-08-04 AU AU45289/72A patent/AU463894B2/en not_active Expired
- 1972-08-04 CA CA148,830A patent/CA1018775A/en not_active Expired
- 1972-08-04 SU SU7201818813A patent/SU578852A3/ru active
- 1972-08-05 DE DE2238665A patent/DE2238665A1/de not_active Withdrawn
- 1972-08-05 ES ES405613A patent/ES405613A1/es not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015202627A1 (de) * | 2015-02-13 | 2016-08-18 | Siemens Aktiengesellschaft | Reaktor zum Aufschließen eines Seltenerd-haltigen Feststoffs |
Also Published As
| Publication number | Publication date |
|---|---|
| AU463894B2 (en) | 1975-08-07 |
| US3925062A (en) | 1975-12-09 |
| AU4528972A (en) | 1974-02-07 |
| FR2148873A1 (enExample) | 1973-03-23 |
| CA1018775A (en) | 1977-10-11 |
| OA04144A (fr) | 1979-12-15 |
| BR7205282D0 (pt) | 1973-06-14 |
| ES405613A1 (es) | 1975-07-16 |
| SU578852A3 (ru) | 1977-10-30 |
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