CN102092766A - Preparation method of ultrafine lanthanum oxide powder - Google Patents
Preparation method of ultrafine lanthanum oxide powder Download PDFInfo
- Publication number
- CN102092766A CN102092766A CN 201110053742 CN201110053742A CN102092766A CN 102092766 A CN102092766 A CN 102092766A CN 201110053742 CN201110053742 CN 201110053742 CN 201110053742 A CN201110053742 A CN 201110053742A CN 102092766 A CN102092766 A CN 102092766A
- Authority
- CN
- China
- Prior art keywords
- preparation
- lanthanum
- lanthanum trioxide
- superfine
- powder
- 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
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 239000000843 powder Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 238000010791 quenching Methods 0.000 claims abstract description 31
- 230000000171 quenching effect Effects 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 27
- 238000001556 precipitation Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 18
- -1 rare earth lanthanum oxide Chemical class 0.000 claims abstract description 16
- 239000002245 particle Substances 0.000 claims abstract description 14
- OXHNIMPTBAKYRS-UHFFFAOYSA-H lanthanum(3+);oxalate Chemical compound [La+3].[La+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O OXHNIMPTBAKYRS-UHFFFAOYSA-H 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 16
- 239000012498 ultrapure water Substances 0.000 claims description 13
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 5
- YXEUGTSPQFTXTR-UHFFFAOYSA-K lanthanum(3+);trihydroxide Chemical compound [OH-].[OH-].[OH-].[La+3] YXEUGTSPQFTXTR-UHFFFAOYSA-K 0.000 claims description 5
- NZPIUJUFIFZSPW-UHFFFAOYSA-H lanthanum carbonate Chemical compound [La+3].[La+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O NZPIUJUFIFZSPW-UHFFFAOYSA-H 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 2
- 238000001354 calcination Methods 0.000 abstract description 25
- 229910001404 rare earth metal oxide Inorganic materials 0.000 abstract description 11
- 230000002776 aggregation Effects 0.000 abstract description 7
- 238000005406 washing Methods 0.000 abstract description 7
- 239000000047 product Substances 0.000 abstract description 6
- 238000005054 agglomeration Methods 0.000 abstract description 4
- 238000000227 grinding Methods 0.000 abstract description 4
- 239000002243 precursor Substances 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 239000002244 precipitate Substances 0.000 abstract 2
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- 238000000967 suction filtration Methods 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000004220 aggregation Methods 0.000 description 3
- 150000004703 alkoxides Chemical class 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 239000012716 precipitator Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 2
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 2
- 239000001099 ammonium carbonate Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 208000031968 Cadaver Diseases 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 230000004931 aggregating effect Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000593 microemulsion method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
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CN 201110053742 CN102092766B (en) | 2011-03-07 | 2011-03-07 | Preparation method of ultrafine lanthanum oxide powder |
Applications Claiming Priority (1)
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CN 201110053742 CN102092766B (en) | 2011-03-07 | 2011-03-07 | Preparation method of ultrafine lanthanum oxide powder |
Publications (2)
Publication Number | Publication Date |
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CN102092766A true CN102092766A (en) | 2011-06-15 |
CN102092766B CN102092766B (en) | 2013-03-13 |
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CN 201110053742 Active CN102092766B (en) | 2011-03-07 | 2011-03-07 | Preparation method of ultrafine lanthanum oxide powder |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105271353A (en) * | 2015-09-23 | 2016-01-27 | 内蒙古生一伦稀土材料有限责任公司 | Calcination method for raising daily output of rare earth carbonate |
CN108585015A (en) * | 2018-06-19 | 2018-09-28 | 四川江铜稀土有限责任公司 | A kind of method that microwave calcination prepares lanthana |
CN111115675A (en) * | 2018-10-11 | 2020-05-08 | 有研稀土新材料股份有限公司 | High-purity light lanthanum carbonate or lanthanum oxide and preparation method thereof |
CN115010163A (en) * | 2022-05-20 | 2022-09-06 | 全南县新资源稀土有限责任公司 | Rare earth oxide with low apparent density and preparation method thereof |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101151214A (en) * | 2004-12-28 | 2008-03-26 | 纳米科技创造私人有限公司 | Nanostructured zinc oxide and a method of producing the same |
-
2011
- 2011-03-07 CN CN 201110053742 patent/CN102092766B/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101151214A (en) * | 2004-12-28 | 2008-03-26 | 纳米科技创造私人有限公司 | Nanostructured zinc oxide and a method of producing the same |
Non-Patent Citations (1)
Title |
---|
《稀有金属快报》 20011231 韩江 碳酸氢铵沉淀生产碳酸镧氧化镧 17-19 1-9 , 第11期 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105271353A (en) * | 2015-09-23 | 2016-01-27 | 内蒙古生一伦稀土材料有限责任公司 | Calcination method for raising daily output of rare earth carbonate |
CN105271353B (en) * | 2015-09-23 | 2017-01-18 | 北方稀土生一伦高科技有限公司 | Calcination method for raising daily output of rare earth carbonate |
CN108585015A (en) * | 2018-06-19 | 2018-09-28 | 四川江铜稀土有限责任公司 | A kind of method that microwave calcination prepares lanthana |
CN111115675A (en) * | 2018-10-11 | 2020-05-08 | 有研稀土新材料股份有限公司 | High-purity light lanthanum carbonate or lanthanum oxide and preparation method thereof |
CN115010163A (en) * | 2022-05-20 | 2022-09-06 | 全南县新资源稀土有限责任公司 | Rare earth oxide with low apparent density and preparation method thereof |
CN115010163B (en) * | 2022-05-20 | 2024-04-09 | 全南县新资源稀土有限责任公司 | Rare earth oxide with low apparent density and preparation method thereof |
Also Published As
Publication number | Publication date |
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CN102092766B (en) | 2013-03-13 |
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GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20110615 Assignee: GUANGZHOU ZHUJIANG PHOTOELECTRIC NEW MATERIALS Co.,Ltd. Assignor: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. Contract record no.: 2013990000326 Denomination of invention: Preparation method of ultrafine lanthanum oxide powder Granted publication date: 20130313 License type: Exclusive License Record date: 20130619 |
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LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CP03 | Change of name, title or address | ||
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Address after: 366300 new industrial zone, Changting Economic Development Zone, Longyan City, Fujian Province Patentee after: Fujian Jinlong Rare Earth Co.,Ltd. Country or region after: China Address before: 366300 Changting Jinlong Rare Earth Co., Ltd., Industrial New District, Changting Economic Development Zone, Longyan City, Fujian Province Patentee before: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. Country or region before: China |