CN111593214B - 一种沉淀分离含钙稀土溶液中稀土的方法 - Google Patents
一种沉淀分离含钙稀土溶液中稀土的方法 Download PDFInfo
- Publication number
- CN111593214B CN111593214B CN202010484214.6A CN202010484214A CN111593214B CN 111593214 B CN111593214 B CN 111593214B CN 202010484214 A CN202010484214 A CN 202010484214A CN 111593214 B CN111593214 B CN 111593214B
- Authority
- CN
- China
- Prior art keywords
- rare earth
- calcium
- solution
- bicarbonate
- controlling
- 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.)
- Active
Links
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 206
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 171
- 229910052791 calcium Inorganic materials 0.000 title claims abstract description 149
- 239000011575 calcium Substances 0.000 title claims abstract description 149
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 title claims abstract description 148
- 238000001556 precipitation Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000002244 precipitate Substances 0.000 claims abstract description 49
- -1 rare earth carbonate Chemical class 0.000 claims abstract description 43
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims abstract description 42
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910001424 calcium ion Inorganic materials 0.000 claims abstract description 35
- 239000013078 crystal Substances 0.000 claims abstract description 31
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims description 94
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 19
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 19
- 238000001914 filtration Methods 0.000 claims description 18
- 239000000706 filtrate Substances 0.000 claims description 16
- 238000005406 washing Methods 0.000 claims description 16
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 15
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 12
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 12
- 229910052684 Cerium Inorganic materials 0.000 claims description 12
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 12
- 239000001099 ammonium carbonate Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 10
- 229920002125 Sokalan® Polymers 0.000 claims description 5
- QWDJLDTYWNBUKE-UHFFFAOYSA-L magnesium bicarbonate Chemical compound [Mg+2].OC([O-])=O.OC([O-])=O QWDJLDTYWNBUKE-UHFFFAOYSA-L 0.000 claims description 5
- 239000002370 magnesium bicarbonate Substances 0.000 claims description 5
- 229910000022 magnesium bicarbonate Inorganic materials 0.000 claims description 5
- 235000014824 magnesium bicarbonate Nutrition 0.000 claims description 5
- 239000004584 polyacrylic acid Substances 0.000 claims description 5
- 235000019260 propionic acid Nutrition 0.000 claims description 5
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 5
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 4
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 3
- WMOHXRDWCVHXGS-UHFFFAOYSA-N [La].[Ce] Chemical compound [La].[Ce] WMOHXRDWCVHXGS-UHFFFAOYSA-N 0.000 claims description 3
- 235000011054 acetic acid Nutrition 0.000 claims description 3
- 235000008206 alpha-amino acids Nutrition 0.000 claims description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 2
- 150000001370 alpha-amino acid derivatives Chemical class 0.000 claims 1
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 abstract description 15
- 229910000020 calcium bicarbonate Inorganic materials 0.000 abstract description 15
- 239000000243 solution Substances 0.000 description 123
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 28
- GHLITDDQOMIBFS-UHFFFAOYSA-H cerium(3+);tricarbonate Chemical compound [Ce+3].[Ce+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O GHLITDDQOMIBFS-UHFFFAOYSA-H 0.000 description 18
- 229910000019 calcium carbonate Inorganic materials 0.000 description 14
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 10
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 10
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 10
- 230000000536 complexating effect Effects 0.000 description 8
- JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical compound O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 description 7
- 229910017569 La2(CO3)3 Inorganic materials 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 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 description 6
- 229960001633 lanthanum carbonate Drugs 0.000 description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 5
- 238000002441 X-ray diffraction Methods 0.000 description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 235000001014 amino acid Nutrition 0.000 description 4
- 150000001413 amino acids Chemical class 0.000 description 4
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 description 4
- 235000011180 diphosphates Nutrition 0.000 description 4
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 4
- 235000006408 oxalic acid Nutrition 0.000 description 4
- QXDMQSPYEZFLGF-UHFFFAOYSA-L calcium oxalate Chemical compound [Ca+2].[O-]C(=O)C([O-])=O QXDMQSPYEZFLGF-UHFFFAOYSA-L 0.000 description 3
- XKCJIWHFQBSXPX-UHFFFAOYSA-H neodymium(3+) praseodymium(3+) tricarbonate Chemical compound [Nd+3].C([O-])([O-])=O.[Pr+3].C([O-])([O-])=O.C([O-])([O-])=O XKCJIWHFQBSXPX-UHFFFAOYSA-H 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- QVOIJBIQBYRBCF-UHFFFAOYSA-H yttrium(3+);tricarbonate Chemical compound [Y+3].[Y+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O QVOIJBIQBYRBCF-UHFFFAOYSA-H 0.000 description 3
- ARWMTMANOCYRLU-UHFFFAOYSA-N [Ca].[La] Chemical compound [Ca].[La] ARWMTMANOCYRLU-UHFFFAOYSA-N 0.000 description 2
- 150000001371 alpha-amino acids Chemical class 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- YNFYQHZKLWMOPA-UHFFFAOYSA-H cerium(3+);tricarbonate;hexahydrate Chemical compound O.O.O.O.O.O.[Ce+3].[Ce+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O YNFYQHZKLWMOPA-UHFFFAOYSA-H 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009854 hydrometallurgy Methods 0.000 description 2
- CZMAIROVPAYCMU-UHFFFAOYSA-N lanthanum(3+) Chemical compound [La+3] CZMAIROVPAYCMU-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- LBCKSWGAAWVFNR-UHFFFAOYSA-N [Ce].[La].[Ca] Chemical compound [Ce].[La].[Ca] LBCKSWGAAWVFNR-UHFFFAOYSA-N 0.000 description 1
- RKLPWYXSIBFAJB-UHFFFAOYSA-N [Nd].[Pr] Chemical compound [Nd].[Pr] RKLPWYXSIBFAJB-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 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 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 229940043256 calcium pyrophosphate Drugs 0.000 description 1
- NKCVNYJQLIWBHK-UHFFFAOYSA-N carbonodiperoxoic acid Chemical compound OOC(=O)OO NKCVNYJQLIWBHK-UHFFFAOYSA-N 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000019821 dicalcium diphosphate Nutrition 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- GAYSPCNXZCAPHX-UHFFFAOYSA-H lanthanum(3+);tricarbonate;octahydrate Chemical group O.O.O.O.O.O.O.O.[La+3].[La+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O GAYSPCNXZCAPHX-UHFFFAOYSA-H 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
Images
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
-
- 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
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010484214.6A CN111593214B (zh) | 2020-06-01 | 2020-06-01 | 一种沉淀分离含钙稀土溶液中稀土的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010484214.6A CN111593214B (zh) | 2020-06-01 | 2020-06-01 | 一种沉淀分离含钙稀土溶液中稀土的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111593214A CN111593214A (zh) | 2020-08-28 |
CN111593214B true CN111593214B (zh) | 2022-05-17 |
Family
ID=72185967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010484214.6A Active CN111593214B (zh) | 2020-06-01 | 2020-06-01 | 一种沉淀分离含钙稀土溶液中稀土的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111593214B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112981148A (zh) * | 2021-02-08 | 2021-06-18 | 江西理工大学 | 一种氧化水解沉淀分离铈和钙镁的方法 |
CN113373304B (zh) * | 2021-06-09 | 2022-05-13 | 江西理工大学 | 一种从稀土料液中络合-浊点萃取除铝的方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4497785A (en) * | 1983-11-18 | 1985-02-05 | Union Oil Company Of California | Production of rare earth compounds |
CN102936029B (zh) * | 2012-11-30 | 2014-07-09 | 淄博包钢灵芝稀土高科技股份有限公司 | 沉淀碳酸稀土的方法 |
CN103224248B (zh) * | 2013-04-03 | 2015-07-01 | 南昌大学 | 一种制备碳酸稀土及其物料回收利用方法 |
CN104211106B (zh) * | 2014-09-01 | 2016-08-24 | 赣州鑫隆康稀土有限公司 | 一种不产生氨氮废水的碳酸稀土制备方法 |
CN108423703A (zh) * | 2018-06-20 | 2018-08-21 | 乐山沃耐稀电子材料有限公司 | 一种细晶形碳酸铈的生产方法 |
CN111017979B (zh) * | 2019-12-27 | 2022-10-18 | 广西国盛稀土新材料有限公司 | 一种低钙氧化镥的制备方法 |
-
2020
- 2020-06-01 CN CN202010484214.6A patent/CN111593214B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN111593214A (zh) | 2020-08-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2020374016B2 (en) | Method for extracting lithium by means of extraction-back extraction separation and purification | |
CN108642310B (zh) | 一种从稀土料液中络合沉淀除铝的方法 | |
CN111057848A (zh) | 一种溶剂萃取从含锂溶液中提取锂的方法 | |
CN111593214B (zh) | 一种沉淀分离含钙稀土溶液中稀土的方法 | |
US11695170B2 (en) | Battery-level Ni—Co—Mn mixed solution and preparation method for battery-level Mn solution | |
JP2023090706A (ja) | 水酸化リチウムの製造方法 | |
US20200140974A1 (en) | Method of removing iron ions from a solution containing neodymium, praseodymium, dysprosium and iron | |
CN111286604B (zh) | 一种利用粗制氢氧化镍制备回收有价金属的方法 | |
WO2021143809A1 (zh) | 一种从含锂低镁卤水中提取锂的方法 | |
CN108950206A (zh) | 一种络合分离稀土和铝的方法 | |
CN1693492A (zh) | 从砷化镓工业废料中回收镓和砷的方法 | |
JP2023073299A (ja) | 水酸化リチウムの製造方法 | |
WO2020181745A1 (zh) | 一种粗制钴/镍盐原料高效分离钴/镍镁锰的方法 | |
CN115216630A (zh) | 废旧含锂铝电解质的资源化处理方法 | |
CN111440946B (zh) | 一种实现碳酸氢镁循环利用的稀土萃取方法 | |
CN112981148A (zh) | 一种氧化水解沉淀分离铈和钙镁的方法 | |
CN108428893B (zh) | 一种卤水碳酸锂的制备方法 | |
CN111286605A (zh) | 一种海底多金属结核有价金属回收以及联产ncm前驱体的方法 | |
CN110184460B (zh) | 一种氯化镨钕料液中除铝离子的方法 | |
CN107416871A (zh) | 一种基于二氧化碳二次碳化的电池级碳酸锂的制备方法 | |
EP4410743A1 (en) | Method for recovering lithium from lithium-containing solution | |
CN111573890B (zh) | 氯化铵废水的综合利用方法 | |
CN110615453B (zh) | 一种直接制备电池级碳酸锂的方法 | |
CN111321293A (zh) | 一种稀土精矿中杂质铝元素的绿色分离方法 | |
CN114835165B (zh) | 一种采用钨酸钠溶液直接生产氧化钨粉的方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhu Wencai Inventor after: Jin Xia Inventor after: Rao Minglu Inventor after: He Qiang Inventor after: Qiu Jiang Inventor after: Lai Anbang Inventor after: Ren Wei Inventor after: Xiong Wei Inventor after: Gao Liang Inventor after: Lai Qifei Inventor after: Xiao Yanfei Inventor after: Luo Wei Inventor after: Zhu Yinming Inventor after: Lin Ying Inventor before: Xiao Yanfei Inventor before: Rao Minglu Inventor before: He Qiang Inventor before: Qiu Jiang Inventor before: Lai Anbang |
|
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20210525 Address after: 341000 Jiangxi Ganzhou Zhanggong District Water West Nonferrous Metallurgical base Applicant after: Ganzhou Zhanhai New Material Technology Co.,Ltd. Address before: 341000 No. 86 Hongqi Avenue, Jiangxi, Ganzhou Applicant before: Jiangxi University of Science and Technology |
|
GR01 | Patent grant | ||
GR01 | Patent grant |