JPH0120214B2 - - Google Patents
Info
- Publication number
- JPH0120214B2 JPH0120214B2 JP56104800A JP10480081A JPH0120214B2 JP H0120214 B2 JPH0120214 B2 JP H0120214B2 JP 56104800 A JP56104800 A JP 56104800A JP 10480081 A JP10480081 A JP 10480081A JP H0120214 B2 JPH0120214 B2 JP H0120214B2
- Authority
- JP
- Japan
- Prior art keywords
- rare earth
- electrolyte
- earth concentrate
- powder
- mixed
- 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.)
- Expired
Links
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 77
- 239000012141 concentrate Substances 0.000 claims description 67
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 66
- 238000000034 method Methods 0.000 claims description 57
- 239000000843 powder Substances 0.000 claims description 54
- 150000002910 rare earth metals Chemical class 0.000 claims description 46
- 238000010438 heat treatment Methods 0.000 claims description 35
- 239000003792 electrolyte Substances 0.000 claims description 31
- -1 rare earth compound Chemical class 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- IKNAJTLCCWPIQD-UHFFFAOYSA-K cerium(3+);lanthanum(3+);neodymium(3+);oxygen(2-);phosphate Chemical compound [O-2].[La+3].[Ce+3].[Nd+3].[O-]P([O-])([O-])=O IKNAJTLCCWPIQD-UHFFFAOYSA-K 0.000 claims description 22
- 229910052590 monazite Inorganic materials 0.000 claims description 22
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 17
- 239000003513 alkali Substances 0.000 claims description 12
- 229910000164 yttrium(III) phosphate Inorganic materials 0.000 claims description 10
- 230000006698 induction Effects 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- UXBZSSBXGPYSIL-UHFFFAOYSA-N phosphoric acid;yttrium(3+) Chemical compound [Y+3].OP(O)(O)=O UXBZSSBXGPYSIL-UHFFFAOYSA-N 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 239000008151 electrolyte solution Substances 0.000 claims description 5
- 239000008188 pellet Substances 0.000 claims description 4
- 238000004898 kneading Methods 0.000 claims description 2
- 235000008504 concentrate Nutrition 0.000 description 49
- 239000007789 gas Substances 0.000 description 26
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 19
- 238000006722 reduction reaction Methods 0.000 description 19
- 208000028659 discharge Diseases 0.000 description 17
- 230000009467 reduction Effects 0.000 description 17
- 238000000354 decomposition reaction Methods 0.000 description 16
- 239000002253 acid Substances 0.000 description 10
- 239000003595 mist Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 229910052731 fluorine Inorganic materials 0.000 description 7
- 239000011737 fluorine Substances 0.000 description 7
- 239000002244 precipitate Substances 0.000 description 7
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 6
- 235000002639 sodium chloride Nutrition 0.000 description 6
- 238000010306 acid treatment Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 4
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 239000011499 joint compound Substances 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 235000011056 potassium acetate Nutrition 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- RLOWWWKZYUNIDI-UHFFFAOYSA-N phosphinic chloride Chemical compound ClP=O RLOWWWKZYUNIDI-UHFFFAOYSA-N 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 235000011118 potassium hydroxide Nutrition 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000011775 sodium fluoride Substances 0.000 description 2
- 235000013024 sodium fluoride Nutrition 0.000 description 2
- 239000001488 sodium phosphate Substances 0.000 description 2
- 229910000162 sodium phosphate Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 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 description 1
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910017665 NH4HF2 Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- LDDQLRUQCUTJBB-UHFFFAOYSA-N ammonium fluoride Chemical compound [NH4+].[F-] LDDQLRUQCUTJBB-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical class FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910000199 gadolinite Inorganic materials 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 229910052585 phosphate mineral Inorganic materials 0.000 description 1
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 235000014483 powder concentrate Nutrition 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- SFKTYEXKZXBQRQ-UHFFFAOYSA-J thorium(4+);tetrahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Th+4] SFKTYEXKZXBQRQ-UHFFFAOYSA-J 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- UXBZSSBXGPYSIL-UHFFFAOYSA-K yttrium(iii) phosphate Chemical compound [Y+3].[O-]P([O-])([O-])=O UXBZSSBXGPYSIL-UHFFFAOYSA-K 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
- B01J19/122—Incoherent waves
- B01J19/126—Microwaves
-
- 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
- C01F17/271—Chlorides
-
- 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
- C01F17/282—Sulfates
-
- 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
- C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
-
- 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
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/003—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals by induction
-
- 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
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/16—Remelting metals
- C22B9/22—Remelting metals with heating by wave energy or particle radiation
- C22B9/221—Remelting metals with heating by wave energy or particle radiation by electromagnetic waves, e.g. by gas discharge lamps
- C22B9/225—Remelting metals with heating by wave energy or particle radiation by electromagnetic waves, e.g. by gas discharge lamps by microwaves
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- 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
-
- 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
- Y02P10/25—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Electromagnetism (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Plasma & Fusion (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Constitution Of High-Frequency Heating (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56104800A JPS586947A (ja) | 1981-07-03 | 1981-07-03 | 希土類精鉱の処理方法 |
| GB08219010A GB2102402B (en) | 1981-07-03 | 1982-07-01 | Method of and apparatus for treating a rare-earth mineral or concentrate |
| IT48750/82A IT1148195B (it) | 1981-07-03 | 1982-07-02 | Metodo ed apparecchiatura per il trattamento di un minerale o di un concentrato delle terre rare |
| DE19823224856 DE3224856A1 (de) | 1981-07-03 | 1982-07-02 | Verfahren und vorrichtung zum behandeln eines seltenerdminerals oder -konzentrats |
| FR8211695A FR2508931B1 (fr) | 1981-07-03 | 1982-07-02 | Procede et dispositif pour traiter un minerai ou un concentre de terres rares |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56104800A JPS586947A (ja) | 1981-07-03 | 1981-07-03 | 希土類精鉱の処理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS586947A JPS586947A (ja) | 1983-01-14 |
| JPH0120214B2 true JPH0120214B2 (it) | 1989-04-14 |
Family
ID=14390508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56104800A Granted JPS586947A (ja) | 1981-07-03 | 1981-07-03 | 希土類精鉱の処理方法 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS586947A (it) |
| DE (1) | DE3224856A1 (it) |
| FR (1) | FR2508931B1 (it) |
| GB (1) | GB2102402B (it) |
| IT (1) | IT1148195B (it) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60122175A (ja) * | 1983-12-05 | 1985-06-29 | Kogyosha Tsuushinkiki Seisakusho:Kk | 点字セル |
| FR2587036A1 (fr) * | 1985-09-10 | 1987-03-13 | Rhone Poulenc Spec Chim | Procede de traitement de minerais de terres rares |
| FR2623792B1 (fr) * | 1987-11-27 | 1991-02-15 | Rhone Poulenc Chimie | Procede de separation du thorium et des terres rares d'un concentre de fluorures de ces elements |
| BR8707200A (pt) * | 1987-12-23 | 1989-08-15 | Pirelli Brasil | Sintese de supercondutores a partir da xenotima |
| DE4203646C1 (en) * | 1992-02-08 | 1993-05-06 | Lpw-Anlagen Gmbh, 4040 Neuss, De | Bath for electrochemical deposition of metal (alloys) |
| DE4217220C1 (en) * | 1992-05-23 | 1993-06-03 | Lpw-Anlagen Gmbh, 4040 Neuss, De | Electrochemical surface treatment - with a separate precipitation zone screened from a microwave heating zone |
| EP0728038B1 (de) * | 1993-11-11 | 1998-07-08 | LAUTENSCHLÄGER, Werner | Vorrichtung zum auslösen und/oder fördern chemischer oder physikalischer prozesse in einem material, insbesondere probenmaterial |
| FR2727328A1 (fr) * | 1994-11-25 | 1996-05-31 | Rhone Poulenc Chimie | Procede d'oxydation ou de thermohydrolyse d'un element chimique par chauffage par micro-ondes |
| FR2739576B1 (fr) * | 1995-10-09 | 1997-12-12 | Electricite De France | Reacteur catalytique en phase gazeuse |
| KR101058567B1 (ko) | 2009-11-25 | 2011-08-23 | 한국지질자원연구원 | 모나자이트 내 희토류 추출방법 |
| KR101245276B1 (ko) * | 2010-03-12 | 2013-03-19 | 주식회사 엘지화학 | 산화세륨 연마재의 재생 방법 |
| RU2576978C1 (ru) * | 2014-10-08 | 2016-03-10 | ЭкоЛайв Текнолоджис Лимитед | Способ переработки железосодержащих монацитовых концентратов |
| RU2578869C1 (ru) * | 2014-12-10 | 2016-03-27 | Юрий Валерьевич Рязанцев | Способ переработки монацитового концентрата |
| RU2620229C1 (ru) * | 2016-03-15 | 2017-05-23 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский политехнический университет" | Способ вскрытия монацитового концентрата |
| RU2633859C1 (ru) * | 2016-12-06 | 2017-10-18 | федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский ядерный университет "МИФИ" (НИЯУ МИФИ) | Способ переработки монацита |
| RU2638719C1 (ru) * | 2016-12-09 | 2017-12-15 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский политехнический университет" | Способ переработки гидроксидного кека, полученного при щелочном вскрытии монацитового концентрата |
| JP6502400B2 (ja) * | 2017-02-08 | 2019-04-17 | オリコン株式会社 | マイクロ波を利用したフッ化スカンジウムの還元方法 |
| RU2667932C1 (ru) * | 2017-08-29 | 2018-09-25 | Владимир Леонидович Софронов | Способ переработки монацитового сырья |
| CN112657456B (zh) * | 2021-01-14 | 2022-07-15 | 福建紫金矿冶测试技术有限公司 | 一种氢氧化稀土水洗时检测设备 |
| CN113073195A (zh) * | 2021-03-19 | 2021-07-06 | 四川师范大学 | 一种全质提取氟碳铈精矿中氟和稀土的微波化学方法 |
| WO2024089526A1 (en) * | 2022-10-27 | 2024-05-02 | The Warb Trust (No.1 Trust 13337/99) | Process and plant for the decomposition of a rare earth-bearing mineral |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5767138A (en) * | 1980-06-11 | 1982-04-23 | Kiyatou Research Corp | Collection of metal from ore |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE626822C (de) * | 1929-02-12 | 1936-03-03 | Maximilian Heinrich Kraemer Dr | Eisenloser Induktionsofen zum Erhitzen, Schmelzen oder metallurgischen Behandeln vonMetallen, Metalloxyden, Zuschlaegen oder Schlacke, bei dem der Badinhalt aus Schichten verschiedener elektrischer Leitfaehigkeit besteht |
| US2056764A (en) * | 1934-01-03 | 1936-10-06 | William E Beatty | Metal separation |
| CH208788A (de) * | 1935-01-12 | 1940-02-29 | Nihon Koshuhajukogyo Kabushiki | Verfahren zur Herstellung von Metallen durch Reduktion von Erzen mit Hilfe von Strömen hoher Frequenz. |
| US3619128A (en) * | 1968-12-05 | 1971-11-09 | Stauffer Chemical Co | Method for processing rare earth fluorocarbonate ores |
-
1981
- 1981-07-03 JP JP56104800A patent/JPS586947A/ja active Granted
-
1982
- 1982-07-01 GB GB08219010A patent/GB2102402B/en not_active Expired
- 1982-07-02 IT IT48750/82A patent/IT1148195B/it active
- 1982-07-02 DE DE19823224856 patent/DE3224856A1/de active Granted
- 1982-07-02 FR FR8211695A patent/FR2508931B1/fr not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5767138A (en) * | 1980-06-11 | 1982-04-23 | Kiyatou Research Corp | Collection of metal from ore |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2508931B1 (fr) | 1988-05-06 |
| FR2508931A1 (fr) | 1983-01-07 |
| DE3224856A1 (de) | 1983-01-27 |
| DE3224856C2 (it) | 1988-09-22 |
| IT1148195B (it) | 1986-11-26 |
| GB2102402A (en) | 1983-02-02 |
| GB2102402B (en) | 1985-03-06 |
| IT8248750A0 (it) | 1982-07-02 |
| JPS586947A (ja) | 1983-01-14 |
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