JPS61251514A - 高純度希土類酸化物の回収方法 - Google Patents
高純度希土類酸化物の回収方法Info
- Publication number
- JPS61251514A JPS61251514A JP60092445A JP9244585A JPS61251514A JP S61251514 A JPS61251514 A JP S61251514A JP 60092445 A JP60092445 A JP 60092445A JP 9244585 A JP9244585 A JP 9244585A JP S61251514 A JPS61251514 A JP S61251514A
- Authority
- JP
- Japan
- Prior art keywords
- rare earth
- mol
- phosphor
- oxalic acid
- waste
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 19
- 229910001404 rare earth metal oxide Inorganic materials 0.000 title claims description 16
- 238000011084 recovery Methods 0.000 title description 2
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 53
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 34
- 150000002910 rare earth metals Chemical class 0.000 claims description 23
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 21
- 239000002699 waste material Substances 0.000 claims description 21
- 235000006408 oxalic acid Nutrition 0.000 claims description 16
- 239000012535 impurity Substances 0.000 claims description 10
- -1 rare earth oxalate Chemical class 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 5
- 239000002244 precipitate Substances 0.000 claims description 5
- 238000001354 calcination Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000000243 solution Substances 0.000 description 9
- 238000003756 stirring Methods 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 239000002131 composite material Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- 239000006228 supernatant Substances 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 229910052727 yttrium Inorganic materials 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000001054 red pigment Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052693 Europium Inorganic materials 0.000 description 1
- 241000283986 Lepus Species 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 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
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/14—Methods for preparing oxides or hydroxides in general
- C01B13/145—After-treatment of oxides or hydroxides, e.g. pulverising, drying, decreasing the acidity
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Luminescent Compositions (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60092445A JPS61251514A (ja) | 1985-04-30 | 1985-04-30 | 高純度希土類酸化物の回収方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60092445A JPS61251514A (ja) | 1985-04-30 | 1985-04-30 | 高純度希土類酸化物の回収方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61251514A true JPS61251514A (ja) | 1986-11-08 |
JPH0331644B2 JPH0331644B2 (enrdf_load_stackoverflow) | 1991-05-08 |
Family
ID=14054605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60092445A Granted JPS61251514A (ja) | 1985-04-30 | 1985-04-30 | 高純度希土類酸化物の回収方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61251514A (enrdf_load_stackoverflow) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6110433A (en) * | 1994-12-20 | 2000-08-29 | Varta Batterie Aktiengesellschaft | Process for the recovery of metals from used nickel/metal/rare earth hydride storage batteries |
EP1215260A3 (en) * | 2000-12-18 | 2004-03-03 | Osram Sylvania Inc. | Recovery of electroluminescent phosphor from encapsulated material |
CN103131862A (zh) * | 2013-03-13 | 2013-06-05 | 龙南县中利再生资源开发有限公司 | 预处理分解法从荧光粉废料中提取高纯稀土氧化物 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5515987A (en) * | 1978-04-14 | 1980-02-04 | Sjeldne Jordarter Forskning | Production of yttrium oxide |
-
1985
- 1985-04-30 JP JP60092445A patent/JPS61251514A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5515987A (en) * | 1978-04-14 | 1980-02-04 | Sjeldne Jordarter Forskning | Production of yttrium oxide |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6110433A (en) * | 1994-12-20 | 2000-08-29 | Varta Batterie Aktiengesellschaft | Process for the recovery of metals from used nickel/metal/rare earth hydride storage batteries |
EP1215260A3 (en) * | 2000-12-18 | 2004-03-03 | Osram Sylvania Inc. | Recovery of electroluminescent phosphor from encapsulated material |
CN103131862A (zh) * | 2013-03-13 | 2013-06-05 | 龙南县中利再生资源开发有限公司 | 预处理分解法从荧光粉废料中提取高纯稀土氧化物 |
CN103131862B (zh) * | 2013-03-13 | 2016-09-14 | 龙南县中利再生资源开发有限公司 | 预处理分解法从荧光粉废料中提取高纯稀土氧化物 |
Also Published As
Publication number | Publication date |
---|---|
JPH0331644B2 (enrdf_load_stackoverflow) | 1991-05-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |