CN115286482A - 一种电子级六氟异丁烯的提纯方法 - Google Patents
一种电子级六氟异丁烯的提纯方法 Download PDFInfo
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- CN115286482A CN115286482A CN202211083891.2A CN202211083891A CN115286482A CN 115286482 A CN115286482 A CN 115286482A CN 202211083891 A CN202211083891 A CN 202211083891A CN 115286482 A CN115286482 A CN 115286482A
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- hexafluoroisobutylene
- purification method
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- QMIWYOZFFSLIAK-UHFFFAOYSA-N 3,3,3-trifluoro-2-(trifluoromethyl)prop-1-ene Chemical group FC(F)(F)C(=C)C(F)(F)F QMIWYOZFFSLIAK-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 54
- 238000000746 purification Methods 0.000 title claims abstract description 28
- 238000010521 absorption reaction Methods 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000003795 desorption Methods 0.000 claims abstract description 30
- 239000003085 diluting agent Substances 0.000 claims abstract description 30
- 238000005406 washing Methods 0.000 claims abstract description 26
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- 230000002745 absorbent Effects 0.000 claims abstract description 16
- 239000002250 absorbent Substances 0.000 claims abstract description 16
- 239000002798 polar solvent Substances 0.000 claims abstract description 11
- 239000013058 crude material Substances 0.000 claims abstract description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 64
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 33
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 27
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 24
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 21
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 claims description 16
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 7
- 238000004821 distillation Methods 0.000 claims description 7
- 239000000295 fuel oil Substances 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 14
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 31
- 239000007789 gas Substances 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 13
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- 238000005530 etching Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 description 5
- 238000000605 extraction Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- GVNVAWHJIKLAGL-UHFFFAOYSA-N 2-(cyclohexen-1-yl)cyclohexan-1-one Chemical compound O=C1CCCCC1C1=CCCCC1 GVNVAWHJIKLAGL-UHFFFAOYSA-N 0.000 description 3
- 101150065749 Churc1 gene Proteins 0.000 description 3
- 102100038239 Protein Churchill Human genes 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000004868 gas analysis Methods 0.000 description 3
- 239000012454 non-polar solvent Substances 0.000 description 3
- DTLHERTUHUWHJW-UHFFFAOYSA-N 3,3,3-trifluoro-2-(trifluoromethyl)propan-1-ol Chemical compound OCC(C(F)(F)F)C(F)(F)F DTLHERTUHUWHJW-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- ZVQOOHYFBIDMTQ-UHFFFAOYSA-N [methyl(oxido){1-[6-(trifluoromethyl)pyridin-3-yl]ethyl}-lambda(6)-sulfanylidene]cyanamide Chemical compound N#CN=S(C)(=O)C(C)C1=CC=C(C(F)(F)F)N=C1 ZVQOOHYFBIDMTQ-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000000539 dimer Substances 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- VBZWSGALLODQNC-UHFFFAOYSA-N hexafluoroacetone Chemical compound FC(F)(F)C(=O)C(F)(F)F VBZWSGALLODQNC-UHFFFAOYSA-N 0.000 description 2
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 2
- JGGBVFLRNNDHCM-UHFFFAOYSA-N methyl 3,3,3-trifluoro-2-(trifluoromethyl)propanoate Chemical compound COC(=O)C(C(F)(F)F)C(F)(F)F JGGBVFLRNNDHCM-UHFFFAOYSA-N 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 235000003270 potassium fluoride Nutrition 0.000 description 2
- 239000011698 potassium fluoride Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- BIIBYWQGRFWQKM-JVVROLKMSA-N (2S)-N-[4-(cyclopropylamino)-3,4-dioxo-1-[(3S)-2-oxopyrrolidin-3-yl]butan-2-yl]-2-[[(E)-3-(2,4-dichlorophenyl)prop-2-enoyl]amino]-4,4-dimethylpentanamide Chemical compound CC(C)(C)C[C@@H](C(NC(C[C@H](CCN1)C1=O)C(C(NC1CC1)=O)=O)=O)NC(/C=C/C(C=CC(Cl)=C1)=C1Cl)=O BIIBYWQGRFWQKM-JVVROLKMSA-N 0.000 description 1
- FSDLLONBRLBIBL-UHFFFAOYSA-N 1,3,3,3-tetrafluoro-1-methoxy-2-(trifluoromethyl)prop-1-ene Chemical compound COC(F)=C(C(F)(F)F)C(F)(F)F FSDLLONBRLBIBL-UHFFFAOYSA-N 0.000 description 1
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical group C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- PRPAGESBURMWTI-UHFFFAOYSA-N [C].[F] Chemical compound [C].[F] PRPAGESBURMWTI-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010533 azeotropic distillation Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000000180 cavity ring-down spectroscopy Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- CCGKOQOJPYTBIH-UHFFFAOYSA-N ethenone Chemical compound C=C=O CCGKOQOJPYTBIH-UHFFFAOYSA-N 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000012844 infrared spectroscopy analysis Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
组分 | 含量(ppm) |
N<sub>2</sub> | 1670 |
O<sub>2</sub>+Ar | 345 |
H<sub>2</sub>O | 15 |
HF | 10 |
CO<sub>2</sub> | 340 |
CO | 18.9 |
CF<sub>3</sub>CF=CF<sub>2</sub> | 60 |
(CH3)<sub>2</sub>CHCH<sub>3</sub> | 40 |
CF<sub>3</sub>(CH)<sub>2</sub>CF<sub>3</sub>(反式) | 226 |
CF<sub>3</sub>(CH)<sub>2</sub>CF<sub>3</sub>(顺式) | 23.8 |
CF<sub>3</sub>(CF<sub>2</sub>)<sub>2</sub>CH<sub>2</sub>F | 60.7 |
同分异构体总含量 | 249.8 |
总杂质含量 | 2809.4 |
六氟异丁烯的纯度% | 99.71906 |
Claims (10)
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CN115286482A true CN115286482A (zh) | 2022-11-04 |
CN115286482B CN115286482B (zh) | 2024-06-11 |
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Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4326068A (en) * | 1980-12-15 | 1982-04-20 | Allied Corporation | Process of preparing hexafluorothioacetone dimer |
JPH04149142A (ja) * | 1990-10-15 | 1992-05-22 | Central Glass Co Ltd | 含フッ素オレフィンの精製方法 |
US20090306296A1 (en) * | 2005-05-02 | 2009-12-10 | Daikin Industries, Ltd. | Crosslinkable polytetrafluoroethylene composition of matter, powdered polytetrafluoroethylene crosslinked body, polytetrafluoroethylene molded body, resin blend composition of matter and resin blend molded body |
US20100168480A1 (en) * | 2007-05-28 | 2010-07-01 | Daikin Industries, Ltd. | Method for producing fluoroalkyl alcohol |
CN105624885A (zh) * | 2015-12-25 | 2016-06-01 | 浙江科力新材料科技有限公司 | 聚苯硫醚/聚四氟乙烯和玻璃纤维耐高温挂烫机帘布及其制作方法 |
CN107151198A (zh) * | 2017-03-28 | 2017-09-12 | 巨化集团技术中心 | 一种六氟异丁烯的制备方法 |
CN107200675A (zh) * | 2016-03-16 | 2017-09-26 | 中昊晨光化工研究院有限公司 | 一种全氟丙烯生产过程中全氟丙烷的分离方法 |
WO2019016179A1 (en) * | 2017-07-18 | 2019-01-24 | Solvay Specialty Polymers Italy S.P.A. | MEMBRANES COMPRISING FLUORINATED POLYMERS AND USE THEREOF |
CN109337572A (zh) * | 2018-08-31 | 2019-02-15 | 浙江帝恒实业有限公司 | 一种新能源汽车用阻燃涂料及其制备方法 |
WO2019073014A1 (en) * | 2017-10-12 | 2019-04-18 | Rhodia Operations | STABILIZING SILVER NANOFILS COATED WITH AT LEAST ONE OXIDE IN VARIOUS SOLVENTS |
CN111253211A (zh) * | 2020-03-16 | 2020-06-09 | 天津绿菱气体有限公司 | 一种高纯电子级四氟丙烯HFO-1234yf的分离纯化方法 |
CN111285753A (zh) * | 2020-03-16 | 2020-06-16 | 天津绿菱气体有限公司 | 一种六氟-1,3-丁二烯异构化重排控制与提纯方法 |
KR20220095380A (ko) * | 2020-12-29 | 2022-07-07 | (주)원익머트리얼즈 | 고순도 헥사플루오로이소부틸렌의 제조방법 |
-
2022
- 2022-09-06 CN CN202211083891.2A patent/CN115286482B/zh active Active
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4326068A (en) * | 1980-12-15 | 1982-04-20 | Allied Corporation | Process of preparing hexafluorothioacetone dimer |
JPH04149142A (ja) * | 1990-10-15 | 1992-05-22 | Central Glass Co Ltd | 含フッ素オレフィンの精製方法 |
US20090306296A1 (en) * | 2005-05-02 | 2009-12-10 | Daikin Industries, Ltd. | Crosslinkable polytetrafluoroethylene composition of matter, powdered polytetrafluoroethylene crosslinked body, polytetrafluoroethylene molded body, resin blend composition of matter and resin blend molded body |
US20100168480A1 (en) * | 2007-05-28 | 2010-07-01 | Daikin Industries, Ltd. | Method for producing fluoroalkyl alcohol |
CN105624885A (zh) * | 2015-12-25 | 2016-06-01 | 浙江科力新材料科技有限公司 | 聚苯硫醚/聚四氟乙烯和玻璃纤维耐高温挂烫机帘布及其制作方法 |
CN107200675A (zh) * | 2016-03-16 | 2017-09-26 | 中昊晨光化工研究院有限公司 | 一种全氟丙烯生产过程中全氟丙烷的分离方法 |
CN107151198A (zh) * | 2017-03-28 | 2017-09-12 | 巨化集团技术中心 | 一种六氟异丁烯的制备方法 |
WO2019016179A1 (en) * | 2017-07-18 | 2019-01-24 | Solvay Specialty Polymers Italy S.P.A. | MEMBRANES COMPRISING FLUORINATED POLYMERS AND USE THEREOF |
WO2019073014A1 (en) * | 2017-10-12 | 2019-04-18 | Rhodia Operations | STABILIZING SILVER NANOFILS COATED WITH AT LEAST ONE OXIDE IN VARIOUS SOLVENTS |
CN109337572A (zh) * | 2018-08-31 | 2019-02-15 | 浙江帝恒实业有限公司 | 一种新能源汽车用阻燃涂料及其制备方法 |
CN111253211A (zh) * | 2020-03-16 | 2020-06-09 | 天津绿菱气体有限公司 | 一种高纯电子级四氟丙烯HFO-1234yf的分离纯化方法 |
CN111285753A (zh) * | 2020-03-16 | 2020-06-16 | 天津绿菱气体有限公司 | 一种六氟-1,3-丁二烯异构化重排控制与提纯方法 |
KR20220095380A (ko) * | 2020-12-29 | 2022-07-07 | (주)원익머트리얼즈 | 고순도 헥사플루오로이소부틸렌의 제조방법 |
Non-Patent Citations (5)
Title |
---|
JON A. J. BURROWS, 等: "End injection of triplet electronic excitation energy into a polymer molecule using chromophores bound at chain ends", MACROMOLECULES, vol. 23, no. 4, pages 988 * |
孙旻灏: "四氟乙烯装置精馏提纯的计算机模拟和优化", 中国优秀硕士学位论文全文数据库, no. 9, pages 016 - 54 * |
张波,等: "三氟二氯乙烷的吸附纯化研究", 高校化学工程学报, vol. 4, no. 21, pages 608 - 613 * |
杜文东,等: "高纯电子级四氟化硅中恒沸物及金属杂质的去除", 低温与特气, vol. 37, no. 2, pages 1 - 5 * |
韩国庆: "氟代烷烃的萃取精制", 浙江化工, no. 09, pages 20 - 21 * |
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Address after: 300280 South of Gangda Road, Nangang Industrial Zone, Economic and Technological Development Zone, Binhai New Area, Tianjin, and west of Zhonghe Haifeng Project Patentee after: Tianjin Green Ling Gas Co.,Ltd. Country or region after: China Patentee after: LINGGAS (TIANJIN) Co.,Ltd. Address before: 300280 South of Gangda Road, Nangang Industrial Zone, Economic and Technological Development Zone, Binhai New Area, Tianjin, and west of Zhonghe Haifeng Project Patentee before: Tianjin Lvling Gas Co.,Ltd. Country or region before: China Patentee before: LINGGAS (TIANJIN) Co.,Ltd. |