KR101024099B1 - 펜타플루오로에탄의 제조 공정 - Google Patents
펜타플루오로에탄의 제조 공정 Download PDFInfo
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- KR101024099B1 KR101024099B1 KR1020087017369A KR20087017369A KR101024099B1 KR 101024099 B1 KR101024099 B1 KR 101024099B1 KR 1020087017369 A KR1020087017369 A KR 1020087017369A KR 20087017369 A KR20087017369 A KR 20087017369A KR 101024099 B1 KR101024099 B1 KR 101024099B1
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- South Korea
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- iii
- fraction
- dichlorotrifluoroethane
- hydrogen fluoride
- composition
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- GTLACDSXYULKMZ-UHFFFAOYSA-N pentafluoroethane Chemical compound FC(F)C(F)(F)F GTLACDSXYULKMZ-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 238000000034 method Methods 0.000 claims abstract description 136
- OHMHBGPWCHTMQE-UHFFFAOYSA-N 2,2-dichloro-1,1,1-trifluoroethane Chemical compound FC(F)(F)C(Cl)Cl OHMHBGPWCHTMQE-UHFFFAOYSA-N 0.000 claims abstract description 100
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 97
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims abstract description 87
- 239000000203 mixture Substances 0.000 claims abstract description 77
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 claims abstract description 71
- 150000001875 compounds Chemical class 0.000 claims abstract description 49
- 239000003054 catalyst Substances 0.000 claims abstract description 43
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 34
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims abstract description 34
- 239000012071 phase Substances 0.000 claims abstract description 26
- 238000000926 separation method Methods 0.000 claims abstract description 26
- RFCAUADVODFSLZ-UHFFFAOYSA-N 1-Chloro-1,1,2,2,2-pentafluoroethane Chemical compound FC(F)(F)C(F)(F)Cl RFCAUADVODFSLZ-UHFFFAOYSA-N 0.000 claims abstract description 25
- 235000019406 chloropentafluoroethane Nutrition 0.000 claims abstract description 25
- 150000002894 organic compounds Chemical class 0.000 claims abstract description 24
- 239000004340 Chloropentafluoroethane Substances 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 16
- 238000003682 fluorination reaction Methods 0.000 claims abstract description 13
- BOUGCJDAQLKBQH-UHFFFAOYSA-N 1-chloro-1,2,2,2-tetrafluoroethane Chemical compound FC(Cl)C(F)(F)F BOUGCJDAQLKBQH-UHFFFAOYSA-N 0.000 claims description 38
- 238000004821 distillation Methods 0.000 claims description 29
- 238000000746 purification Methods 0.000 claims description 24
- DDMOUSALMHHKOS-UHFFFAOYSA-N 1,2-dichloro-1,1,2,2-tetrafluoroethane Chemical compound FC(F)(Cl)C(F)(F)Cl DDMOUSALMHHKOS-UHFFFAOYSA-N 0.000 claims description 22
- 229940087091 dichlorotetrafluoroethane Drugs 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 21
- BOSAWIQFTJIYIS-UHFFFAOYSA-N 1,1,1-trichloro-2,2,2-trifluoroethane Chemical compound FC(F)(F)C(Cl)(Cl)Cl BOSAWIQFTJIYIS-UHFFFAOYSA-N 0.000 claims description 19
- 238000005191 phase separation Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 3
- 239000007791 liquid phase Substances 0.000 claims description 2
- 239000012808 vapor phase Substances 0.000 abstract description 2
- 229950011008 tetrachloroethylene Drugs 0.000 description 62
- 238000006243 chemical reaction Methods 0.000 description 42
- 239000000376 reactant Substances 0.000 description 41
- FQAMAOOEZDRHHB-UHFFFAOYSA-N 1,2,2-trichloro-1,1-difluoroethane Chemical compound FC(F)(Cl)C(Cl)Cl FQAMAOOEZDRHHB-UHFFFAOYSA-N 0.000 description 23
- 239000000047 product Substances 0.000 description 23
- 239000000463 material Substances 0.000 description 19
- LFMIQNJMJJKICW-UHFFFAOYSA-N 1,1,2-trichloro-2-fluoroethene Chemical group FC(Cl)=C(Cl)Cl LFMIQNJMJJKICW-UHFFFAOYSA-N 0.000 description 13
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 12
- 229910052725 zinc Inorganic materials 0.000 description 12
- 239000011701 zinc Substances 0.000 description 12
- QCMJBECJXQJLIL-UHFFFAOYSA-L chromium(6+);oxygen(2-);difluoride Chemical compound [O-2].[O-2].[F-].[F-].[Cr+6] QCMJBECJXQJLIL-UHFFFAOYSA-L 0.000 description 9
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 239000012530 fluid Substances 0.000 description 9
- 239000012535 impurity Substances 0.000 description 8
- 239000012043 crude product Substances 0.000 description 7
- 238000013459 approach Methods 0.000 description 6
- LUBCGHUOCJOIJA-UHFFFAOYSA-N 1,1,2,2-tetrachloro-1-fluoroethane Chemical compound FC(Cl)(Cl)C(Cl)Cl LUBCGHUOCJOIJA-UHFFFAOYSA-N 0.000 description 5
- 238000011109 contamination Methods 0.000 description 5
- 239000002243 precursor Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- -1 R-113 compound Chemical class 0.000 description 4
- JQZFYIGAYWLRCC-UHFFFAOYSA-N 1-chloro-1,1,2,2-tetrafluoroethane Chemical compound FC(F)C(F)(F)Cl JQZFYIGAYWLRCC-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 238000007323 disproportionation reaction Methods 0.000 description 3
- 239000002808 molecular sieve Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 description 2
- UJPMYEOUBPIPHQ-UHFFFAOYSA-N 1,1,1-trifluoroethane Chemical compound CC(F)(F)F UJPMYEOUBPIPHQ-UHFFFAOYSA-N 0.000 description 2
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 description 2
- CYXIKYKBLDZZNW-UHFFFAOYSA-N 2-Chloro-1,1,1-trifluoroethane Chemical compound FC(F)(F)CCl CYXIKYKBLDZZNW-UHFFFAOYSA-N 0.000 description 2
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000975 co-precipitation Methods 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 description 2
- 238000000895 extractive distillation Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- UHCBBWUQDAVSMS-UHFFFAOYSA-N fluoroethane Chemical compound CCF UHCBBWUQDAVSMS-UHFFFAOYSA-N 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 238000005201 scrubbing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 235000002597 Solanum melongena Nutrition 0.000 description 1
- 244000061458 Solanum melongena Species 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 125000003963 dichloro group Chemical group Cl* 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000003701 inert diluent Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229910001960 metal nitrate Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
- C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
- C07C17/206—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
- C07C17/21—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms with simultaneous increase of the number of halogen atoms
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C19/00—Acyclic saturated compounds containing halogen atoms
- C07C19/08—Acyclic saturated compounds containing halogen atoms containing fluorine
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
Claims (48)
- 펜타플루오로에탄의 제조 공정으로서,(ⅰ) 제1 반응기 또는 제1 복수의 반응기들 내에서, 플루오르화 촉매의 존재하에서 200 내지 350℃의 온도에서 기상에서 퍼클로로에틸렌을 불화수소(HF)와 반응시켜 디클로로트리플루오로에탄, 염화수소, 미반응 불화수소와 퍼클로로에틸렌, 조성물 내의 유기 화합물의 총중량을 기준으로 합계 2 중량% 미만의 클로로테트라플루오로에탄과 펜타플루오로에탄, 및 5 중량% 미만의 화학식 C2Cl6-xFx를 가지는 화합물(여기서 x는 0 내지 6의 정수임)을 포함하는 조성물을 생성하는 단계;(ⅱ) (ⅰ) 단계로부터의 상기 조성물을 분리 단계를 겪게 하여 상기 조성물 내의 유기 화합물의 총중량을 기준으로 95 중량% 이상의 디클로로트리플루오로에탄 및 0.5 중량% 미만의 화학식 C2Cl6-xFx를 가지는 화합물(여기서 x는 0 내지 6의 정수임)을 포함하는 정제된 조성물을 산출하는 단계; 및(ⅲ) 제2 반응기 또는 제2 복수의 반응기들 내에서, 플루오르화 촉매의 존재하에서 280℃ 이상의 온도에서 기상에서 (ⅱ) 단계로부터의 상기 조성물을 불화수소(HF)와 반응시켜 펜타플루오로에탄 및 상기 조성물 내의 유기 화합물의 총중량을 기준으로 0.5 중량% 미만의 클로로펜타플루오로에탄을 포함하는 조성물을 생성하는 단계를 포함하는 펜타플루오로에탄의 제조 공정.
- 제1항에 있어서, 상기 공정의 (ⅰ) 단계에서 생성된 상기 조성물이 상기 조성물 내의 유기 화합물의 총중량을 기준으로 합계 2 중량% 미만의 트리클로로트리플루오로에탄 및 디클로로테트라플루오로에탄을 포함하는 것을 특징으로 하는 공정.
- 제1항 또는 제2항에 있어서, 상기 공정의 (ⅰ) 단계가 상기 또는 각각의 반응기의 유입구 측으로부터 유출구 측까지의 온도 변화가 50℃ 미만이 되도록 수행되는 것을 특징으로 하는 공정.
- 제3항에 있어서, 상기 공정의 (ⅰ) 단계가 직렬로 연결된 복수의 반응기들을 사용하여 수행되며 상기 직렬의 각 쌍의 반응기 사이에서 중간 냉각이 사용되는 것을 특징으로 하는 공정.
- 제1항 또는 제2항에 있어서, 상기 공정의 (ⅰ) 단계에서 생성된 상기 조성물이 상기 공정의 (ⅱ) 단계의 제1 증류기로 보내지고 여기서 염화수소와 디클로로트리플루오로에탄을 포함하는 상부 분획(top fraction) 및 미반응 불화수소와 퍼클로로에틸렌을 포함하는 하부 분획(bottom fraction)으로 분리되는 것을 특징으로 하는 공정.
- 제5항에 있어서, 상기 제1 증류기에 공급되는 디클로로트리플루오로에탄과 염화수소의 총함량의 90 중량% 초과가 상기 상부 분획에서 회수되는 것을 특징으로 하는 공정.
- 제5항에 있어서, 상기 제1 증류기에 공급되는 미반응 퍼클로로에틸렌의 총함량의 90 중량% 초과가 상기 하부 분획에서 회수되는 것을 특징으로 하는 공정.
- 제5항에 있어서, 상기 제1 증류기로부터 회수되는 상기 상부 분획이, 선택적으로 중간 냉각 시스템(intermediary cooling system)을 통하여, 제2 증류기로 보내져 여기서 염화수소를 포함하는 상부 분획 및 디클로로트리플루오로에탄을 포함하는 하부 분획으로 더 분리되는 것을 특징으로 하는 공정.
- 제5항에 있어서, 상기 제1 증류기로부터 회수되는 상기 하부 분획이 불화수소-풍부 분획 및 퍼클로로에틸렌-함유, 유기물-풍부 분획으로 분리되는 것을 특징으로 하는 공정.
- 제9항에 있어서, 상기 분리가 상분리기 내에서 수행되는 액상분리 공정(liquid separation process)인 것을 특징으로 하는 공정.
- 제9항에 있어서, 수집된 상기 불화수소-풍부 분획이 95 중량% 이상의 불화수소인 것을 특징으로 하는 공정.
- 제9항에 있어서, 수집된 상기 퍼클로로에틸렌-함유, 유기물-풍부 분획이 5 중량% 미만의 불화수소를 포함하는 것을 특징으로 하는 공정.
- 제9항에 있어서, 상기 불화수소-풍부 분획 및 퍼클로로에틸렌-함유, 유기물-풍부 분획이 별개의 공급물로서 상기 공정의 (ⅰ) 단계로 재순환되는 것을 특징으로 하는 공정.
- 제8항에 있어서, 상기 제2 증류기로부터 회수되는 상기 하부 분획이 더 정제되어 상기 디클로로트리플루오로에탄으로부터 임의의 트리클로로트리플루오로에탄 및 디클로로테트라플루오로에탄을 실질적으로 제거하는 것을 특징으로 하는 공정.
- 제14항에 있어서, 상기 하부 분획의 상기 추가 정제가 상분리 및 증류의 조합을 사용하여 수행되는 것을 특징으로 하는 공정.
- 제15항에 있어서, 상기 제2 증류기로부터 수집되는 상기 하부 분획이 상분리기에 공급되고 여기서 액상분리 공정을 겪어 불화수소-풍부 상층 및 디클로로트리플루오로에탄-풍부 하층으로 분리되는 것을 특징으로 하는 공정.
- 제16항에 있어서, 상기 상분리기 내에서 상기 하층으로 회수되는 상기 디클로로트리플루오로에탄-풍부 분획이 제3 증류기로 보내지고 여기서 디클로로트리플루오로에탄을 포함하는 상부 분획 및 하부 분획으로 분리되는 것을 특징으로 하는 공정.
- 제17항에 있어서, 상기 하부 분획이 상기 공정의 (ⅲ) 단계로 보내지는 것을 특징으로 하는 공정.
- 제1항 또는 제2항에 있어서, (ⅲ) 단계로부터 회수되는 상기 조성물을 정제하는 단계를 더 포함하는 것을 특징으로 하는 공정.
- 제19항에 있어서, (ⅲ) 단계로부터 회수되는 상기 조성물이 증류기로 보내지고 여기서 염화수소와 펜타플루오로에탄을 포함하는 상부 분획 및 불화수소를 포함하는 하부 분획으로 분리되는 것을 특징으로 하는 공정.
- 제20항에 있어서, 상기 하부 분획이 또한 클로로테트라플루오로에탄 및 디클로로트리플루오로에탄을 포함하는 것을 특징으로 하는 공정.
- 제20항에 있어서, 상기 하부 분획이 상기 공정의 (ⅲ) 단계로 재순환되는 것을 특징으로 하는 공정.
- 제20항에 있어서, (ⅲ) 단계로부터 회수되는 상기 조성물이 정제를 위하여 상기 증류기에 보내지기 전에 새로운(fresh) 불화수소와 조합되는 것을 특징으로 하는 공정.
- 제23항에 있어서, 첨가되는 불화수소의 함량이 상기 공정의 (ⅲ) 단계의 상기 제2 반응기(들)로 별개의 불화수소 공급물을 운반할 필요를 회피하기에 충분한 것을 특징으로 하는 공정.
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GB0525700.1 | 2005-12-17 | ||
GBGB0525700.1A GB0525700D0 (en) | 2005-12-17 | 2005-12-17 | Process |
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KR20080077691A KR20080077691A (ko) | 2008-08-25 |
KR101024099B1 true KR101024099B1 (ko) | 2011-03-22 |
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KR1020087017369A KR101024099B1 (ko) | 2005-12-17 | 2006-12-18 | 펜타플루오로에탄의 제조 공정 |
Country Status (7)
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US (1) | US8236997B2 (ko) |
EP (1) | EP1960332A2 (ko) |
JP (1) | JP2009519921A (ko) |
KR (1) | KR101024099B1 (ko) |
CN (1) | CN101356142B (ko) |
GB (1) | GB0525700D0 (ko) |
WO (1) | WO2007068962A2 (ko) |
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GB0525702D0 (en) * | 2005-12-17 | 2006-01-25 | Ineos Fluor Holdings Ltd | Process |
GB0525701D0 (en) * | 2005-12-17 | 2006-01-25 | Ineos Fluor Holdings Ltd | Process |
FR2998815B1 (fr) * | 2012-12-03 | 2017-01-27 | Arkema France | Catalyseur prepare par broyage reactif |
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2006
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- 2006-12-18 KR KR1020087017369A patent/KR101024099B1/ko not_active IP Right Cessation
- 2006-12-18 JP JP2008545102A patent/JP2009519921A/ja not_active Ceased
- 2006-12-18 US US12/086,579 patent/US8236997B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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KR20080077691A (ko) | 2008-08-25 |
EP1960332A2 (en) | 2008-08-27 |
GB0525700D0 (en) | 2006-01-25 |
WO2007068962A2 (en) | 2007-06-21 |
WO2007068962A3 (en) | 2007-07-26 |
JP2009519921A (ja) | 2009-05-21 |
US8236997B2 (en) | 2012-08-07 |
US20100168483A1 (en) | 2010-07-01 |
CN101356142A (zh) | 2009-01-28 |
CN101356142B (zh) | 2012-11-07 |
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