CN101623852B - 硅粉与碳化硅粉的界面张力分离方法 - Google Patents
硅粉与碳化硅粉的界面张力分离方法 Download PDFInfo
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- CN101623852B CN101623852B CN2009101149915A CN200910114991A CN101623852B CN 101623852 B CN101623852 B CN 101623852B CN 2009101149915 A CN2009101149915 A CN 2009101149915A CN 200910114991 A CN200910114991 A CN 200910114991A CN 101623852 B CN101623852 B CN 101623852B
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- Prior art keywords
- silicon
- mortar
- reactant
- solvent
- surface modifier
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title abstract description 11
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title abstract description 7
- 239000011863 silicon-based powder Substances 0.000 title abstract description 5
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 51
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 48
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 47
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 43
- 239000010703 silicon Substances 0.000 claims abstract description 43
- 239000002904 solvent Substances 0.000 claims abstract description 34
- 239000003607 modifier Substances 0.000 claims abstract description 33
- 239000000376 reactant Substances 0.000 claims abstract description 33
- 238000005516 engineering process Methods 0.000 claims abstract description 25
- 239000000843 powder Substances 0.000 claims abstract description 21
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 18
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 18
- 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 18
- 239000007788 liquid Substances 0.000 claims abstract description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical group Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 13
- DAJSVUQLFFJUSX-UHFFFAOYSA-M sodium;dodecane-1-sulfonate Chemical group [Na+].CCCCCCCCCCCCS([O-])(=O)=O DAJSVUQLFFJUSX-UHFFFAOYSA-M 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 92
- 235000013312 flour Nutrition 0.000 claims description 46
- 239000000377 silicon dioxide Substances 0.000 claims description 46
- 239000000203 mixture Substances 0.000 claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 8
- 238000004062 sedimentation Methods 0.000 abstract description 5
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- -1 amine dodecyl sulfonate Chemical class 0.000 abstract 1
- 238000011084 recovery Methods 0.000 description 8
- 239000013049 sediment Substances 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 5
- 238000005188 flotation Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- DIKBFYAXUHHXCS-UHFFFAOYSA-N bromoform Chemical compound BrC(Br)Br DIKBFYAXUHHXCS-UHFFFAOYSA-N 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000009291 froth flotation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229950005228 bromoform Drugs 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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- Silicon Compounds (AREA)
Abstract
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Claims (1)
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Application Number | Priority Date | Filing Date | Title |
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CN2009101149915A CN101623852B (zh) | 2009-03-05 | 2009-03-05 | 硅粉与碳化硅粉的界面张力分离方法 |
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CN2009101149915A CN101623852B (zh) | 2009-03-05 | 2009-03-05 | 硅粉与碳化硅粉的界面张力分离方法 |
Publications (2)
Publication Number | Publication Date |
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CN101623852A CN101623852A (zh) | 2010-01-13 |
CN101623852B true CN101623852B (zh) | 2011-02-16 |
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CN2009101149915A Expired - Fee Related CN101623852B (zh) | 2009-03-05 | 2009-03-05 | 硅粉与碳化硅粉的界面张力分离方法 |
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Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103495505B (zh) * | 2013-10-10 | 2015-05-27 | 安化县众旺钨业有限公司 | 一种金刚石的浮选方法及其在从磨削废料中分离提纯人造金刚石中的应用 |
CN103611635B (zh) * | 2013-11-28 | 2016-05-04 | 安徽苏源光伏科技有限公司 | 一种砂浆中提纯碳化硅的浮选剂及其制备方法 |
CN103623935B (zh) * | 2013-11-28 | 2016-02-10 | 安徽苏源光伏科技有限公司 | 一种高纯碳化硅回收浮选剂 |
CN103639064B (zh) * | 2013-11-28 | 2016-02-10 | 安徽苏源光伏科技有限公司 | 一种分离砂浆中硅和碳化硅的药剂 |
CN103623934B (zh) * | 2013-11-28 | 2016-02-10 | 安徽苏源光伏科技有限公司 | 一种碳化硅提纯分离药剂 |
CN103639062B (zh) * | 2013-11-28 | 2016-02-10 | 安徽苏源光伏科技有限公司 | 一种砂浆中分离碳化硅的药剂 |
CN103639063B (zh) * | 2013-11-28 | 2016-02-10 | 安徽苏源光伏科技有限公司 | 一种碳化硅微粉回收药剂 |
CN103623936B (zh) * | 2013-11-28 | 2016-05-04 | 安徽苏源光伏科技有限公司 | 一种碳化硅浮选剂 |
CN103623937B (zh) * | 2013-11-28 | 2016-05-04 | 安徽苏源光伏科技有限公司 | 一种砂浆中硅和碳化硅分离药剂及其制备方法 |
CN108101063B (zh) * | 2017-12-19 | 2021-02-02 | 中国科学院过程工程研究所 | 一种利用有机-无机混合介质分离砂浆切割废料制备硅和碳化硅的方法 |
CN109663672A (zh) * | 2019-01-15 | 2019-04-23 | 国网山东省电力公司电力科学研究院 | 一种从冶炼产物中分离出纯硅的浮选剂及浮选方法 |
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2009
- 2009-03-05 CN CN2009101149915A patent/CN101623852B/zh not_active Expired - Fee Related
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CN101623852A (zh) | 2010-01-13 |
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Assignee: CHANGZHOU GCL PHOTOVOLTAIC TECHNOLOGY CO.,LTD. Assignor: Zhou Lang Contract record no.: 2011320001073 Denomination of invention: Method separating silicon powder and silicon carbide powder by interface tension Granted publication date: 20110216 License type: Exclusive License Open date: 20100113 Record date: 20110729 |
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Effective date of registration: 20171101 Address after: 330038 Jiangxi province Nanchang Honggutan institutions Avenue 899 Creative Park dumplings taste WITHUB maxspace B block 2 layer C1-149 Patentee after: JIANGXI GUICHEN TECHNOLOGY CO.,LTD. Address before: School of materials 999, 330031 Jiangxi province Nanchang Honggutan institutions Avenue week wave collection Patentee before: Zhou Lang |
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