CN109897975B - 氢氧化铬真空碳还原生产金属铬的方法 - Google Patents
氢氧化铬真空碳还原生产金属铬的方法 Download PDFInfo
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- CN109897975B CN109897975B CN201910265604.1A CN201910265604A CN109897975B CN 109897975 B CN109897975 B CN 109897975B CN 201910265604 A CN201910265604 A CN 201910265604A CN 109897975 B CN109897975 B CN 109897975B
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- VQWFNAGFNGABOH-UHFFFAOYSA-K chromium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Cr+3] VQWFNAGFNGABOH-UHFFFAOYSA-K 0.000 title claims abstract description 49
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 239000011651 chromium Substances 0.000 title claims abstract description 35
- 229910052804 chromium Inorganic materials 0.000 title claims abstract description 33
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 28
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000001354 calcination Methods 0.000 claims abstract description 23
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 22
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 15
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- 238000010438 heat treatment Methods 0.000 claims description 10
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- 238000004321 preservation Methods 0.000 claims description 7
- PXLIDIMHPNPGMH-UHFFFAOYSA-N sodium chromate Chemical compound [Na+].[Na+].[O-][Cr]([O-])(=O)=O PXLIDIMHPNPGMH-UHFFFAOYSA-N 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
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- KIEOKOFEPABQKJ-UHFFFAOYSA-N sodium dichromate Chemical compound [Na+].[Na+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KIEOKOFEPABQKJ-UHFFFAOYSA-N 0.000 claims description 4
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- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1158822A (zh) * | 1997-03-07 | 1997-09-10 | 李春林 | 碳还原法制三氧化二铬及综合回收生产工艺 |
CN1542148A (zh) * | 2003-11-05 | 2004-11-03 | 锦州市沈宏实业股份有限公司 | 金属铬的生产方法 |
CN101993112A (zh) * | 2009-08-25 | 2011-03-30 | 中国科学院过程工程研究所 | 一种低硫氧化铬绿的清洁制备方法 |
CN104164576A (zh) * | 2014-08-19 | 2014-11-26 | 北京神雾环境能源科技集团股份有限公司 | 制备金属镁的方法 |
CN105543506A (zh) * | 2016-02-19 | 2016-05-04 | 马桂文 | 一种生产高纯金属铬的方法 |
CN206310905U (zh) * | 2016-12-22 | 2017-07-07 | 苏州艾美得新能源材料有限公司 | 一种气氛箱式炉 |
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2019
- 2019-04-03 CN CN201910265604.1A patent/CN109897975B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1158822A (zh) * | 1997-03-07 | 1997-09-10 | 李春林 | 碳还原法制三氧化二铬及综合回收生产工艺 |
CN1542148A (zh) * | 2003-11-05 | 2004-11-03 | 锦州市沈宏实业股份有限公司 | 金属铬的生产方法 |
CN101993112A (zh) * | 2009-08-25 | 2011-03-30 | 中国科学院过程工程研究所 | 一种低硫氧化铬绿的清洁制备方法 |
CN104164576A (zh) * | 2014-08-19 | 2014-11-26 | 北京神雾环境能源科技集团股份有限公司 | 制备金属镁的方法 |
CN105543506A (zh) * | 2016-02-19 | 2016-05-04 | 马桂文 | 一种生产高纯金属铬的方法 |
CN206310905U (zh) * | 2016-12-22 | 2017-07-07 | 苏州艾美得新能源材料有限公司 | 一种气氛箱式炉 |
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Address after: 622650 Industrial Park, Huaqian Town, Anzhou District, Mianyang City, Sichuan Province Patentee after: Sichuan Minghong Hengzheng Technology Co.,Ltd. Country or region after: China Address before: Huaxun Town Industrial Park, Anzhou District, Mianyang City, Sichuan Province 621000 Patentee before: Sichuan Minghong Hengzheng Technology Co.,Ltd. Country or region before: China |
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