CN101863478B - 高纯四氟化硅的制备方法 - Google Patents
高纯四氟化硅的制备方法 Download PDFInfo
- Publication number
- CN101863478B CN101863478B CN2010102057434A CN201010205743A CN101863478B CN 101863478 B CN101863478 B CN 101863478B CN 2010102057434 A CN2010102057434 A CN 2010102057434A CN 201010205743 A CN201010205743 A CN 201010205743A CN 101863478 B CN101863478 B CN 101863478B
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- Prior art keywords
- silicon tetrafluoride
- sulfuric acid
- silicon
- preparation
- acid
- 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.)
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- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000002253 acid Substances 0.000 claims abstract description 17
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 13
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 13
- 239000002808 molecular sieve Substances 0.000 claims abstract description 8
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002699 waste material Substances 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000000926 separation method Methods 0.000 claims abstract description 3
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 239000003921 oil Substances 0.000 claims description 16
- 229960001866 silicon dioxide Drugs 0.000 claims description 11
- 238000000746 purification Methods 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- KXEOSTAFIDYVEF-UHFFFAOYSA-N [Si](O)(O)(O)O.[F] Chemical compound [Si](O)(O)(O)O.[F] KXEOSTAFIDYVEF-UHFFFAOYSA-N 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 239000011593 sulfur Substances 0.000 claims description 4
- 238000004821 distillation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910016036 BaF 2 Inorganic materials 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- VJTAZCKMHINUKO-UHFFFAOYSA-M chloro(2-methoxyethyl)mercury Chemical compound [Cl-].COCC[Hg+] VJTAZCKMHINUKO-UHFFFAOYSA-M 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- ZHPNWZCWUUJAJC-UHFFFAOYSA-N fluorosilicon Chemical compound [Si]F ZHPNWZCWUUJAJC-UHFFFAOYSA-N 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- -1 reaction formula (6) Chemical compound 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
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- Silicon Compounds (AREA)
Abstract
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CN2010102057434A CN101863478B (zh) | 2010-06-22 | 2010-06-22 | 高纯四氟化硅的制备方法 |
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CN101863478A CN101863478A (zh) | 2010-10-20 |
CN101863478B true CN101863478B (zh) | 2012-07-18 |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101973553B (zh) * | 2010-11-03 | 2015-07-15 | 瓮福(集团)有限责任公司 | 用氟硅酸生产高纯度四氟化硅的方法 |
CN109574017A (zh) * | 2018-11-23 | 2019-04-05 | 贵州开磷氟硅化工有限责任公司 | 一种以氟硅酸为原料制备SiF4和无水氟化氢的方法 |
CN111661874A (zh) * | 2020-07-22 | 2020-09-15 | 三祥新材股份有限公司 | 一种降低电熔氧化锆粉氧化硅含量的方法 |
CN112158849B (zh) * | 2020-09-27 | 2023-06-30 | 湖北祥云(集团)化工股份有限公司 | 一种磷矿伴生氟制备四氟化硅的方法 |
CN112374503A (zh) * | 2020-11-19 | 2021-02-19 | 苏州金宏气体股份有限公司 | 一种高纯四氟化硅气体的纯化方法及纯化系统 |
CN116462200B (zh) * | 2023-04-24 | 2024-10-01 | 中国五环工程有限公司 | 基于真空膜蒸馏法的氟硅酸浓缩方法 |
CN118515286A (zh) * | 2024-06-17 | 2024-08-20 | 新洋丰农业科技股份有限公司 | 一种无水氟化氢联产四氟化硅的方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101291875A (zh) * | 2005-10-03 | 2008-10-22 | 斯泰拉化工公司 | 四氟化硅的制造方法、以及用于其的制造装置 |
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2010
- 2010-06-22 CN CN2010102057434A patent/CN101863478B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101291875A (zh) * | 2005-10-03 | 2008-10-22 | 斯泰拉化工公司 | 四氟化硅的制造方法、以及用于其的制造装置 |
Non-Patent Citations (2)
Title |
---|
于剑昆.四氟化硅的生产概况.《无机盐工业》.2006,第38卷(第1期),第1-4页. * |
大塚丰三等.高纯四氟化硅的制造方法.《低温与特气》.1986,(第01期),第47-51页. * |
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Effective date of registration: 20120111 Address after: 528211, Lishui Town, Nanhai District, Guangdong City, Foshan Province Applicant after: Foshan Huate Gases Co., Ltd. Co-applicant after: Guangdong SouthChina Special Gas Institute Co., Ltd. Address before: Water town and Nanhai District 528000 Guangdong city of Foshan Province on the East Jin tou Ling leuvens Applicant before: Shi Pingxiang |
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Address after: 528211, Lishui Town, Nanhai District, Guangdong City, Foshan Province Patentee after: GUANGDONG HUATE GASES CO., LTD. Patentee after: Guangdong SouthChina Special Gas Institute Co., Ltd. Address before: 528211, Lishui Town, Nanhai District, Guangdong City, Foshan Province Patentee before: Foshan Huate Gases Co., Ltd. Patentee before: Guangdong SouthChina Special Gas Institute Co., Ltd. |