CN110255572A - 利用气相二氧化硅生产过程中的副产物生产沉淀二氧化硅的方法 - Google Patents
利用气相二氧化硅生产过程中的副产物生产沉淀二氧化硅的方法 Download PDFInfo
- Publication number
- CN110255572A CN110255572A CN201910679584.2A CN201910679584A CN110255572A CN 110255572 A CN110255572 A CN 110255572A CN 201910679584 A CN201910679584 A CN 201910679584A CN 110255572 A CN110255572 A CN 110255572A
- Authority
- CN
- China
- Prior art keywords
- silica
- hydrochloric acid
- reactor
- liquid
- sodium silicate
- 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.)
- Granted
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 180
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 67
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 60
- 229910021485 fumed silica Inorganic materials 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000006227 byproduct Substances 0.000 title claims abstract description 32
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 151
- 239000007788 liquid Substances 0.000 claims description 43
- 239000004115 Sodium Silicate Substances 0.000 claims description 27
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 27
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 27
- 238000006243 chemical reaction Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 14
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 14
- 230000032683 aging Effects 0.000 claims description 12
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 claims description 10
- 239000005049 silicon tetrachloride Substances 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000009834 vaporization Methods 0.000 claims description 5
- 230000008016 vaporization Effects 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 238000005352 clarification Methods 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 230000007062 hydrolysis Effects 0.000 claims description 3
- 238000006460 hydrolysis reaction Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 235000011167 hydrochloric acid Nutrition 0.000 description 56
- 239000000047 product Substances 0.000 description 18
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 16
- 239000007789 gas Substances 0.000 description 14
- 239000013078 crystal Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 241000790917 Dioxys <bee> Species 0.000 description 4
- 229910003978 SiClx Inorganic materials 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 230000001376 precipitating effect Effects 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000003570 air Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910002012 Aerosil® Inorganic materials 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- NSYYPXSKPGPMBW-UHFFFAOYSA-N [O-2].[O-2].[Ti+4].Cl Chemical compound [O-2].[O-2].[Ti+4].Cl NSYYPXSKPGPMBW-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011981 development test Methods 0.000 description 1
- 235000019621 digestibility Nutrition 0.000 description 1
- LRCFXGAMWKDGLA-UHFFFAOYSA-N dioxosilane;hydrate Chemical compound O.O=[Si]=O LRCFXGAMWKDGLA-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- VDGJOQCBCPGFFD-UHFFFAOYSA-N oxygen(2-) silicon(4+) titanium(4+) Chemical compound [Si+4].[O-2].[O-2].[Ti+4] VDGJOQCBCPGFFD-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229960004029 silicic acid Drugs 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000009461 vacuum packaging Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
Abstract
Description
Claims (7)
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CN201910679584.2A CN110255572B (zh) | 2019-07-26 | 2019-07-26 | 利用气相二氧化硅生产过程中的副产物生产沉淀二氧化硅的方法 |
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CN201910679584.2A CN110255572B (zh) | 2019-07-26 | 2019-07-26 | 利用气相二氧化硅生产过程中的副产物生产沉淀二氧化硅的方法 |
Publications (2)
Publication Number | Publication Date |
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CN110255572A true CN110255572A (zh) | 2019-09-20 |
CN110255572B CN110255572B (zh) | 2022-09-13 |
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CN201910679584.2A Active CN110255572B (zh) | 2019-07-26 | 2019-07-26 | 利用气相二氧化硅生产过程中的副产物生产沉淀二氧化硅的方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115340101A (zh) * | 2022-07-22 | 2022-11-15 | 江西黑猫炭黑股份有限公司 | 一种绿色轮胎用二氧化硅的生产方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102167334A (zh) * | 2011-03-18 | 2011-08-31 | 中国恩菲工程技术有限公司 | 多晶硅副产物四氯化硅处理方法 |
CN109678164A (zh) * | 2018-12-25 | 2019-04-26 | 江西双龙硅材料科技有限公司 | 一种绿色环保白炭黑、烧碱循环联合生产方法 |
-
2019
- 2019-07-26 CN CN201910679584.2A patent/CN110255572B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102167334A (zh) * | 2011-03-18 | 2011-08-31 | 中国恩菲工程技术有限公司 | 多晶硅副产物四氯化硅处理方法 |
CN109678164A (zh) * | 2018-12-25 | 2019-04-26 | 江西双龙硅材料科技有限公司 | 一种绿色环保白炭黑、烧碱循环联合生产方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115340101A (zh) * | 2022-07-22 | 2022-11-15 | 江西黑猫炭黑股份有限公司 | 一种绿色轮胎用二氧化硅的生产方法 |
CN115340101B (zh) * | 2022-07-22 | 2023-09-26 | 江西黑猫炭黑股份有限公司 | 一种绿色轮胎用二氧化硅的生产方法 |
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CN110255572B (zh) | 2022-09-13 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: Method for producing precipitated silica using by-products from the production process of fumed silica Effective date of registration: 20230630 Granted publication date: 20220913 Pledgee: Jingdezhen branch of Bank of Communications Co.,Ltd. Pledgor: JIANGXI BLACKCAT CARBON BLACK Co.,Ltd. Registration number: Y2023980046970 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220913 Pledgee: Jingdezhen branch of Bank of Communications Co.,Ltd. Pledgor: JIANGXI BLACKCAT CARBON BLACK Co.,Ltd. Registration number: Y2023980046970 |