JPS6312947B2 - - Google Patents
Info
- Publication number
- JPS6312947B2 JPS6312947B2 JP20773384A JP20773384A JPS6312947B2 JP S6312947 B2 JPS6312947 B2 JP S6312947B2 JP 20773384 A JP20773384 A JP 20773384A JP 20773384 A JP20773384 A JP 20773384A JP S6312947 B2 JPS6312947 B2 JP S6312947B2
- Authority
- JP
- Japan
- Prior art keywords
- neodymium
- iron
- alloy
- cathode
- fluoride
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 134
- 229910045601 alloy Inorganic materials 0.000 claims description 95
- 239000000956 alloy Substances 0.000 claims description 95
- 229910052742 iron Inorganic materials 0.000 claims description 67
- PXAWCNYZAWMWIC-UHFFFAOYSA-N [Fe].[Nd] Chemical compound [Fe].[Nd] PXAWCNYZAWMWIC-UHFFFAOYSA-N 0.000 claims description 56
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 46
- 239000002994 raw material Substances 0.000 claims description 42
- 239000007788 liquid Substances 0.000 claims description 40
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 claims description 39
- XRADHEAKQRNYQQ-UHFFFAOYSA-K trifluoroneodymium Chemical compound F[Nd](F)F XRADHEAKQRNYQQ-UHFFFAOYSA-K 0.000 claims description 39
- 150000003839 salts Chemical class 0.000 claims description 37
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 32
- 229910052779 Neodymium Inorganic materials 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 28
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 26
- 229910052799 carbon Inorganic materials 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 claims description 21
- 230000009467 reduction Effects 0.000 claims description 15
- OYLGJCQECKOTOL-UHFFFAOYSA-L barium fluoride Chemical compound [F-].[F-].[Ba+2] OYLGJCQECKOTOL-UHFFFAOYSA-L 0.000 claims description 11
- 229910001632 barium fluoride Inorganic materials 0.000 claims description 11
- 229910002804 graphite Inorganic materials 0.000 claims description 11
- 239000010439 graphite Substances 0.000 claims description 11
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 10
- 150000002798 neodymium compounds Chemical class 0.000 claims description 10
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 2
- 239000011819 refractory material Substances 0.000 claims description 2
- 238000005868 electrolysis reaction Methods 0.000 description 51
- 238000000034 method Methods 0.000 description 35
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 description 30
- 239000012535 impurity Substances 0.000 description 20
- 239000000203 mixture Substances 0.000 description 16
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 12
- 239000007789 gas Substances 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 8
- 230000005484 gravity Effects 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 6
- 229910052721 tungsten Inorganic materials 0.000 description 6
- 239000010937 tungsten Substances 0.000 description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 229910052750 molybdenum Inorganic materials 0.000 description 5
- 239000011733 molybdenum Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- -1 graphite Chemical compound 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000011031 large-scale manufacturing process Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000003870 refractory metal Substances 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 229910002056 binary alloy Inorganic materials 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 150000002505 iron Chemical class 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229910001172 neodymium magnet Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- 229910016036 BaF 2 Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 101100493710 Caenorhabditis elegans bath-40 gene Proteins 0.000 description 1
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical compound [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 1
- 229910001047 Hard ferrite Inorganic materials 0.000 description 1
- 229910017493 Nd 2 O 3 Inorganic materials 0.000 description 1
- 229910000583 Nd alloy Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- ATINCSYRHURBSP-UHFFFAOYSA-K neodymium(iii) chloride Chemical compound Cl[Nd](Cl)Cl ATINCSYRHURBSP-UHFFFAOYSA-K 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electrolytic Production Of Metals (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20773384A JPS6187888A (ja) | 1984-10-03 | 1984-10-03 | ネオジム−鉄母合金の製造方法並びにその製造装置 |
| US06/776,800 US4684448A (en) | 1984-10-03 | 1985-09-17 | Process of producing neodymium-iron alloy |
| EP85306687A EP0177233B1 (en) | 1984-10-03 | 1985-09-19 | Process of producing neodymium-iron alloy and apparatus therefor |
| DE8585306687T DE3568595D1 (en) | 1984-10-03 | 1985-09-19 | Process of producing neodymium-iron alloy and apparatus therefor |
| US07/036,102 US4747924A (en) | 1984-10-03 | 1987-04-08 | Apparatus for producing neodymium-iron alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20773384A JPS6187888A (ja) | 1984-10-03 | 1984-10-03 | ネオジム−鉄母合金の製造方法並びにその製造装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6187888A JPS6187888A (ja) | 1986-05-06 |
| JPS6312947B2 true JPS6312947B2 (ru) | 1988-03-23 |
Family
ID=16544635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20773384A Granted JPS6187888A (ja) | 1984-10-03 | 1984-10-03 | ネオジム−鉄母合金の製造方法並びにその製造装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6187888A (ru) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63266086A (ja) * | 1986-12-23 | 1988-11-02 | Showa Denko Kk | 希土類金属または希土類合金の製造方法 |
| WO1993013247A1 (en) * | 1986-12-23 | 1993-07-08 | Hideo Tamamura | Process for producing neodymium or alloy thereof |
| US4966661A (en) * | 1986-12-23 | 1990-10-30 | Showa Denko Kabushiki Kaisha | Process for preparation of neodymium or neodymium alloy |
| JP5814585B2 (ja) * | 2011-04-01 | 2015-11-17 | 株式会社東芝 | 希土類金属の回収方法および回収装置 |
| AU2013204396B2 (en) * | 2012-05-16 | 2015-01-29 | Lynas Services Pty Ltd | Electrolytic cell for production of rare earth metals |
-
1984
- 1984-10-03 JP JP20773384A patent/JPS6187888A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6187888A (ja) | 1986-05-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |