CN103303979B - Tungsten oxide (WO3) nanopowder prepared by pyrolysing method - Google Patents
Tungsten oxide (WO3) nanopowder prepared by pyrolysing method Download PDFInfo
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- CN103303979B CN103303979B CN201310252868.6A CN201310252868A CN103303979B CN 103303979 B CN103303979 B CN 103303979B CN 201310252868 A CN201310252868 A CN 201310252868A CN 103303979 B CN103303979 B CN 103303979B
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- apt
- citric acid
- ammonium paratungstate
- tungsten oxide
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- 238000000034 method Methods 0.000 title claims description 13
- 239000011858 nanopowder Substances 0.000 title abstract 2
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 title abstract 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 72
- XAYGUHUYDMLJJV-UHFFFAOYSA-Z decaazanium;dioxido(dioxo)tungsten;hydron;trioxotungsten Chemical compound [H+].[H+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O XAYGUHUYDMLJJV-UHFFFAOYSA-Z 0.000 claims abstract description 54
- 239000000843 powder Substances 0.000 claims abstract description 21
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 13
- 239000001301 oxygen Substances 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000007669 thermal treatment Methods 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims description 26
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 25
- 229910001930 tungsten oxide Inorganic materials 0.000 claims description 25
- 238000001035 drying Methods 0.000 claims description 10
- 238000000197 pyrolysis Methods 0.000 claims description 10
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000012141 concentrate Substances 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 5
- 230000008020 evaporation Effects 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 2
- 239000011164 primary particle Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 11
- 239000000203 mixture Substances 0.000 abstract description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 239000002243 precursor Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- 239000010937 tungsten Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012808 vapor phase Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Abstract
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CN201310252868.6A CN103303979B (en) | 2013-06-24 | 2013-06-24 | Tungsten oxide (WO3) nanopowder prepared by pyrolysing method |
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CN201310252868.6A CN103303979B (en) | 2013-06-24 | 2013-06-24 | Tungsten oxide (WO3) nanopowder prepared by pyrolysing method |
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CN103303979A CN103303979A (en) | 2013-09-18 |
CN103303979B true CN103303979B (en) | 2015-07-22 |
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CN201310252868.6A Expired - Fee Related CN103303979B (en) | 2013-06-24 | 2013-06-24 | Tungsten oxide (WO3) nanopowder prepared by pyrolysing method |
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CN (1) | CN103303979B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109641753A (en) * | 2016-09-15 | 2019-04-16 | H.C.施塔克钨业股份有限公司 | Novel tungsten-carbide powder and its preparation |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110563043B (en) * | 2019-09-29 | 2021-11-26 | 上海交通大学 | Method for preparing carbon film coated tungsten oxide nanospheres in one step by hydrothermal method and application thereof |
CN113912125B (en) * | 2021-11-05 | 2023-08-04 | 赣州海盛钨业股份有限公司 | Calcination process for preparing high specific surface area low residual ammonia yellow tungsten oxide |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101381106B (en) * | 2007-09-05 | 2011-05-11 | 西南交通大学 | Method for preparing nano tungsten trioxide powder |
CN101407339A (en) * | 2007-10-12 | 2009-04-15 | 新疆大学 | Method for synthesizing quadrangle tungsten oxide nano-powder |
CN102485380B (en) * | 2010-12-06 | 2013-06-19 | 北京有色金属研究总院 | Preparation method of submicron nearly spherical tungsten powder |
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2013
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109641753A (en) * | 2016-09-15 | 2019-04-16 | H.C.施塔克钨业股份有限公司 | Novel tungsten-carbide powder and its preparation |
CN109641753B (en) * | 2016-09-15 | 2022-12-02 | H.C.施塔克钨业股份有限公司 | Tungsten carbide powder and preparation thereof |
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CN103303979A (en) | 2013-09-18 |
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Owner name: ZHU LANYING Free format text: FORMER OWNER: LIU YAJING Effective date: 20150612 |
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Effective date of registration: 20150612 Address after: Yinzhou District Lianfeng road 315175 Zhejiang city of Ningbo Province, No. 886 Applicant after: Zhu Lanying Address before: 315100, No. 50, Heng Dong Road, Heng Gang Town, Yinzhou District, Zhejiang, Ningbo Applicant before: Liu Yajing |
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Inventor after: Su Xing Inventor before: Liu Yajing |
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Effective date of registration: 20170117 Address after: Park No. 185 Pudong New Area road 201210 Mianyang Shanghai 2 C-5 Patentee after: Guoan (Shanghai) soil repair technology Co., Ltd. Address before: Yinzhou District Lianfeng road 315175 Zhejiang city of Ningbo Province, No. 886 Patentee before: Zhu Lanying |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20190624 |