BR112023021943A2 - Pó de pentóxido de tântalo de alta pureza e baixo carbono e método de preparação e uso do mesmo - Google Patents
Pó de pentóxido de tântalo de alta pureza e baixo carbono e método de preparação e uso do mesmoInfo
- Publication number
- BR112023021943A2 BR112023021943A2 BR112023021943A BR112023021943A BR112023021943A2 BR 112023021943 A2 BR112023021943 A2 BR 112023021943A2 BR 112023021943 A BR112023021943 A BR 112023021943A BR 112023021943 A BR112023021943 A BR 112023021943A BR 112023021943 A2 BR112023021943 A2 BR 112023021943A2
- Authority
- BR
- Brazil
- Prior art keywords
- tantalum
- powder
- ppm
- tantalum pentoxide
- preparation
- Prior art date
Links
- 238000002360 preparation method Methods 0.000 title abstract 4
- QACCSKHOINSZEL-UHFFFAOYSA-M [C+4].[O-2].[O-2].[O-2].[O-2].[OH-].[Ta+5] Chemical compound [C+4].[O-2].[O-2].[O-2].[O-2].[OH-].[Ta+5] QACCSKHOINSZEL-UHFFFAOYSA-M 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 3
- 239000000843 powder Substances 0.000 abstract 8
- ZIRLXLUNCURZTP-UHFFFAOYSA-I tantalum(5+);pentahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[Ta+5] ZIRLXLUNCURZTP-UHFFFAOYSA-I 0.000 abstract 5
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 abstract 3
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- 239000012065 filter cake Substances 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 238000001354 calcination Methods 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000012716 precipitator Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000007873 sieving Methods 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G35/00—Compounds of tantalum
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
pó de pentóxido de tântalo de alta pureza e baixo carbono e método de preparação e uso do mesmo. a presente invenção está relacionada a um pó de pentóxido de tântalo de alta pureza e baixo carbono e método de preparação e uso do mesmo. o pó possui um teor de carbono não maior do que 15 ppm, preferencialmente de 10 ppm a 15 ppm, mais preferencialmente de 3 ppm a 10 ppm. o método de preparação compreende as seguintes etapas: (1) adicionar uma solução de ácido fluotantálico (h2taf7) em uma caldeira de reação, controlar a temperatura da caldeira de reação em 30 a 60 °c, adicionar um precipitador até que o ph da solução de reação seja = 8 a 10, então interromper a introdução de amônia e maturar para obter um pasta de hidróxido de tântalo; (2) filtrar e lavar a pasta de hidróxido de tântalo obtida na etapa (1) e, então, realizar a separação sólido-líquido para obter uma torta de filtro de hidróxido de tântalo; (3) secar a torta de filtro obtida na etapa (2) para obter pó de hidróxido de tântalo branco; (4) calcinar o pó de hidróxido de tântalo obtido na etapa (3), triturar e peneirar a amostra calcinada para obter o pó de pentóxido de tântalo; e (5) submeter o pó de pentóxido de tântalo obtido na etapa (4) ao tratamento térmico a uma temperatura de 1.000 a 1.500 °c para obter pó de pentóxido de tântalo de alta pureza.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111532673.8A CN114057227B (zh) | 2021-12-15 | 2021-12-15 | 一种低碳高纯五氧化二钽粉末及其制备方法和用途 |
| PCT/CN2022/114374 WO2023109171A1 (zh) | 2021-12-15 | 2022-08-24 | 一种低碳高纯五氧化二钽粉末及其制备方法和用途 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112023021943A2 true BR112023021943A2 (pt) | 2024-01-16 |
Family
ID=80229512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112023021943A BR112023021943A2 (pt) | 2021-12-15 | 2022-08-24 | Pó de pentóxido de tântalo de alta pureza e baixo carbono e método de preparação e uso do mesmo |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20240150194A1 (pt) |
| JP (1) | JP2024514351A (pt) |
| CN (2) | CN114057227B (pt) |
| BR (1) | BR112023021943A2 (pt) |
| DE (1) | DE112022001058T5 (pt) |
| MX (1) | MX2023010933A (pt) |
| WO (1) | WO2023109171A1 (pt) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114057227B (zh) * | 2021-12-15 | 2023-09-19 | 宁夏东方钽业股份有限公司 | 一种低碳高纯五氧化二钽粉末及其制备方法和用途 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4490340A (en) * | 1984-02-29 | 1984-12-25 | Gte Products Corporation | Process for the recovery of high purity tantalum oxide |
| DE3904292A1 (de) * | 1989-02-14 | 1990-08-16 | Starck Hermann C Fa | Hochreines tantalpentoxid sowie verfahren zu dessen herstellung |
| US5635146A (en) * | 1995-11-30 | 1997-06-03 | Osram Sylvania Inc. | Method for the dissolution and purification of tantalum pentoxide |
| JP2005255454A (ja) * | 2004-03-11 | 2005-09-22 | Stella Chemifa Corp | 酸化タンタル及び／又は酸化ニオブ及びその製造方法 |
| US7399335B2 (en) * | 2005-03-22 | 2008-07-15 | H.C. Starck Inc. | Method of preparing primary refractory metal |
| JP2006263504A (ja) * | 2005-03-22 | 2006-10-05 | Hitachinaka Techno Center:Kk | 酸化タンタル系光触媒およびその製造方法 |
| CN103274468B (zh) * | 2013-05-29 | 2014-09-03 | 复旦大学 | 一种球形五氧化二钽的制备方法及应用 |
| CN104386751B (zh) * | 2014-11-19 | 2017-09-29 | 九江有色金属冶炼有限公司 | 一种超高纯度氧化钽的制备方法及其制备的超高纯度氧化钽 |
| CN105883919A (zh) * | 2016-04-28 | 2016-08-24 | 宁夏东方钽业股份有限公司 | 一种球形氧化钽或球形氧化铌的制备方法 |
| CN110156082A (zh) * | 2019-05-27 | 2019-08-23 | 九江有色金属冶炼有限公司 | 一种大松装密度氧化钽的制备方法 |
| CN111850686B (zh) * | 2020-07-22 | 2021-08-31 | 宁夏东方钽业股份有限公司 | 一种五氧化二钽晶须及其制备方法 |
| CN112592180A (zh) * | 2020-12-15 | 2021-04-02 | 海宁拓材科技股份有限公司 | 一种低氟高纯五氧化二钽光学镀膜材料制备方法 |
| CN114057227B (zh) * | 2021-12-15 | 2023-09-19 | 宁夏东方钽业股份有限公司 | 一种低碳高纯五氧化二钽粉末及其制备方法和用途 |
-
2021
- 2021-12-15 CN CN202111532673.8A patent/CN114057227B/zh active Active
- 2021-12-15 CN CN202311164330.XA patent/CN117185349A/zh active Pending
-
2022
- 2022-08-24 US US18/284,211 patent/US20240150194A1/en active Pending
- 2022-08-24 DE DE112022001058.4T patent/DE112022001058T5/de active Pending
- 2022-08-24 MX MX2023010933A patent/MX2023010933A/es unknown
- 2022-08-24 JP JP2023564248A patent/JP2024514351A/ja active Pending
- 2022-08-24 WO PCT/CN2022/114374 patent/WO2023109171A1/zh active Application Filing
- 2022-08-24 BR BR112023021943A patent/BR112023021943A2/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023109171A1 (zh) | 2023-06-22 |
| CN114057227A (zh) | 2022-02-18 |
| CN114057227B (zh) | 2023-09-19 |
| DE112022001058T5 (de) | 2023-12-28 |
| CN117185349A (zh) | 2023-12-08 |
| JP2024514351A (ja) | 2024-04-01 |
| US20240150194A1 (en) | 2024-05-09 |
| MX2023010933A (es) | 2023-09-28 |
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