KR960700984A - 2원 공비물 성분의 정제방법 - Google Patents
2원 공비물 성분의 정제방법 Download PDFInfo
- Publication number
- KR960700984A KR960700984A KR1019950703541A KR19950703541A KR960700984A KR 960700984 A KR960700984 A KR 960700984A KR 1019950703541 A KR1019950703541 A KR 1019950703541A KR 19950703541 A KR19950703541 A KR 19950703541A KR 960700984 A KR960700984 A KR 960700984A
- Authority
- KR
- South Korea
- Prior art keywords
- distillation
- distillate
- bottoms
- components
- remove
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000000746 purification Methods 0.000 title 1
- 238000004821 distillation Methods 0.000 claims abstract 19
- GTLACDSXYULKMZ-UHFFFAOYSA-N pentafluoroethane Chemical compound FC(F)C(F)(F)F GTLACDSXYULKMZ-UHFFFAOYSA-N 0.000 claims abstract 4
- 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 3
- 239000004340 Chloropentafluoroethane Substances 0.000 claims abstract 3
- 235000019406 chloropentafluoroethane Nutrition 0.000 claims abstract 3
- 239000000203 mixture Substances 0.000 claims abstract 3
- 239000000470 constituent Substances 0.000 claims 1
- 238000001944 continuous distillation Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
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
- C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/13—Spirits
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
Description
Claims (12)
- 압력으로 공비물의 조성이 약 10몰% 변화되는 2원 등비물의 어느 성분을 정제하는 방법에 있어서, (a) 2원 공비물을 증류단계에서 거치게 하여 그 2가지 성분 중 어느 하나의 대부분을 증류물로써 제거하고(증류물1) 다른 성분을 주성분으로 하는 바닥물(바닥물1)을 얻는 단계 (b) 상기 증류물 1을 다른 압력으로 수행하는 최소 한번의 부가적 증류단계를 거치게 함으로써 바닥물 1로써 회수된 성분의 대부분을 증류물 2로서 제거하고 상기 증류물1의 주성분을 이루는 성분을 주성분으로 하는 바닥물(바닥물2)을 얻는 단계; (c) 임의로 필요한 횟수만큼 상기 (b) 단계를 반복 수행하는 단계; 및 (d) 요구되는 정제된 성분을 회수하는 단계; 를 포함함을 특징으로 하는 방법.
- (a) 펜탄플루오로에탄과 최소 약 5몰% 클로로펜타플루오로에탄을 포함하는 혼합물을 증류단계에 거치게 하여 펜타플루오로에탄이나 클로로펜타-플루오로에탄중 한가지의 대부분을 증류물로써 제거하고(증류물1)나머지 성분을 주성분으로 하는 바닥물(바닥물1)을 얻는 단계; (b) 상기 증류물 1을 다른 압력에서 수행되는 최소 한번의 부가적 증류단계를 거치게 함으로써 바닥 물1로써 회수된 성분의 대부분을 증류물 2로써 제거하고 상기 증류물 1의 주성분을 이루는 성분을 주성분으로 하는 바닥물(바닥물2)을 얻는 단계; (c) 임의로 필요한 횟수 만큼 단계(b)를 반복 수행하는 단계; 및 (d) 정제된 펜타플루오로에탄을 회수하는 단계를 포함하는 펜타플루오로에탄 정제방법.
- 2항에 있어서, 상기 증류는 단일 증류탑에서 수행됨을 특징으로 하는 방법.
- 2항에 있어서, 상기 증류는 2개의 별도의 증류탑에서 수행됨을 특징으로 하는 방법.
- 4항에 있어서, 상기 증류는 배치식 증류도 수행됨을 특징으로 하는 방법.
- 4항에 있어서, 상기 증류는 연속식 증류로 수행됨을 특징으로 하는 방법.
- 4항에 있어서, 상기 단계(c)가 생략됨을 특징으로 하는 방법.
- 7항에 있어서, 상기 제1증류 단계는 최소 50psia의 압력에서 수행되며, 상기 제2증류 단계는 이보다 저압에서 수행됨을 특징으로 하는 방법.
- 1항에 있어서, 상기 증류는 단일 증류탑에서 수행됨을 특징으로 하는 방법.
- 1항에 있어서, 상기 증류는 2개의 증류탑에서 수행됨을 특징으로 하는 방법.
- 1항에 있어서, 상기 단계(C)가 생략됨을 특징으로 하는 방법.
- 11항에 있어서, 상기 증류는 약 400psia 미만 및 5psia 이상의 온도에서 수행됨을 특징으로 하는 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8/023827 | 1993-02-23 | ||
US08/023,827 | 1993-02-23 | ||
US08/023,827 US5346595A (en) | 1993-02-23 | 1993-02-23 | Process for the purification of a pentafluoroethane azeotrope |
PCT/US1994/001117 WO1994019301A1 (en) | 1993-02-23 | 1994-01-31 | Purification of a component of a binary azeotrope |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960700984A true KR960700984A (ko) | 1996-02-24 |
KR100235756B1 KR100235756B1 (ko) | 1999-12-15 |
Family
ID=21817438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950703541A KR100235756B1 (ko) | 1993-02-23 | 1994-01-31 | 2원 공비물 성분의 정제방법 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5346595A (ko) |
EP (1) | EP0686137B1 (ko) |
JP (1) | JP2800851B2 (ko) |
KR (1) | KR100235756B1 (ko) |
DE (1) | DE69419732T2 (ko) |
ES (1) | ES2136190T3 (ko) |
WO (1) | WO1994019301A1 (ko) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5421964A (en) * | 1993-04-30 | 1995-06-06 | E. I. Du Pont De Nemours And Company | Process for separating HCl and halocarbons |
JPH09501400A (ja) * | 1993-04-30 | 1997-02-10 | イー・アイ・デュポン・ドゥ・ヌムール・アンド・カンパニー | 共沸および共沸様組成物並びにHC▲l▼とハロカーボンとを分離するための方法 |
BR9402038A (pt) * | 1993-05-25 | 1995-03-07 | Showa Denko Kk | Processo de purificação de pentaflúor etano |
US5928479A (en) * | 1994-04-08 | 1999-07-27 | Imperial Chemical Industries Plc | Process for the purification of pentafluoroethane |
US5718807A (en) * | 1994-09-20 | 1998-02-17 | E. I. Du Pont De Nemours And Company | Purification process for hexafluoroethane products |
US20020198067A1 (en) * | 2001-06-26 | 2002-12-26 | Orgill Nicholas Curzon | Golfing accessory |
AU6457796A (en) * | 1995-07-14 | 1997-02-18 | E.I. Du Pont De Nemours And Company | Distillation processes for removing cfc-115 and hydrofluoric acid from hfc-125 |
ES2190474T3 (es) | 1995-08-01 | 2003-08-01 | Du Pont | Proceso para la fabricacion de halocarburos y compuestos seleccionados, y formas azeotropicas con hf. |
US6755942B1 (en) | 1995-08-01 | 2004-06-29 | E. I. Du Pont De Nemours And Company | Process for the manufacture of halocarbons and selected compounds and azeotropes with HF |
IT1276174B1 (it) * | 1995-11-28 | 1997-10-27 | Ausimont Spa | Processo per la preparazione di pentafluoroetano |
US5817893A (en) * | 1996-06-18 | 1998-10-06 | E. I. Du Pont De Nemours And Company | Processes for the manufacture and purification of 1,1,2,2,3,3,4,4-octafluorobutane and by-products |
FR2752836B1 (fr) * | 1996-08-30 | 1998-10-30 | Atochem Elf Sa | Purification du pentafluoroethane |
FR2758137B1 (fr) * | 1997-01-06 | 1999-02-26 | Atochem Elf Sa | Procede de purification du pentafluoroethane par distillation extractive |
US5918481A (en) * | 1997-11-20 | 1999-07-06 | Alliedsignal Inc. | Process for separating hydrogen fluoride from fluorocarbons |
US6488817B1 (en) * | 1998-03-31 | 2002-12-03 | Alliedsignal Inc. | Purification of hydrofluorocarbons |
FR2791976B1 (fr) * | 1999-03-24 | 2001-07-27 | Solvay | Compositions contenant du fluorure d'hydrogene et du 1,1,1,3,3-pentafluorobutane, procede pour la separation de melanges comprenant de telles compositions et procede pour la synthese de 1,1,1,3,3-pentafluorobutane |
ITMI991596A1 (it) | 1999-07-20 | 2001-01-20 | Ausimont Spa | Processo per purificare pentafluoroetano da cloropentafluoroetano |
US6395142B1 (en) | 1999-10-14 | 2002-05-28 | Chemcycles, Inc. | Method and apparatus for purifying low grade acetonitrile and other constituents from hazardous waste |
US6417413B1 (en) | 1999-11-03 | 2002-07-09 | Alliedsignal Inc. | Process for the preparation of halogenated ethanes |
FR2806077B1 (fr) * | 2000-03-07 | 2004-01-30 | Solvay | Procede pour l'obtention d'un hydrofluoroalcane epure, hydrofluoroalcane epure, utilisation de l'hydrofluoroalcane et methode d'analyse d'un hydrofluoroalcane |
ES2220248T3 (es) * | 2001-06-01 | 2009-07-15 | Honeywell International Inc. | Composiciones similares a las azeotopicas de 1,1,1,3,3-pentafluorobutano y fluoruro de hidrogeno. |
US7060165B2 (en) * | 2002-02-14 | 2006-06-13 | Pcbu Services, Inc. | Processes for purification and production of fluorocarbons |
US8075742B2 (en) * | 2009-02-27 | 2011-12-13 | Midwest Refrigerants, Llc | Apparatus and process for the separation and purification of ideal and non-ideal refrigerant mixtures |
US8128902B2 (en) | 2011-04-12 | 2012-03-06 | Midwest Refrigerants, Llc | Method for the synthesis of anhydrous hydrogen halide and anhydrous carbon dioxide |
US8043574B1 (en) | 2011-04-12 | 2011-10-25 | Midwest Refrigerants, Llc | Apparatus for the synthesis of anhydrous hydrogen halide and anhydrous carbon dioxide |
US8834830B2 (en) | 2012-09-07 | 2014-09-16 | Midwest Inorganics LLC | Method for the preparation of anhydrous hydrogen halides, inorganic substances and/or inorganic hydrides by using as reactants inorganic halides and reducing agents |
FR3035104B1 (fr) | 2015-04-14 | 2017-04-07 | Arkema France | Procede de purification du pentafluoroethane |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2324255A (en) * | 1940-04-17 | 1943-07-13 | Dow Chemical Co | Separation of ketones and monohydric alcohols from mixtures thereof |
US2617756A (en) * | 1950-05-20 | 1952-11-11 | Stanolind Oil & Gas Co | Process for recovery and purification of propionaldehyde |
NL229002A (ko) * | 1957-07-31 | |||
US2998357A (en) * | 1959-01-20 | 1961-08-29 | Pennsalt Chemicals Corp | Recovery of alkylamines |
US3329586A (en) * | 1963-03-29 | 1967-07-04 | Du Pont | Boron trifluoride distillation under controlled pressure |
US3505233A (en) * | 1968-11-12 | 1970-04-07 | Union Carbide Corp | Chloropentafluoroethane-pentafluoroethane azeotropic compositions |
GB1307224A (en) * | 1969-06-27 | 1973-02-14 | Ici Ltd | Chromium oxide catalyst |
US3732150A (en) * | 1971-10-22 | 1973-05-08 | Phillips Petroleum Co | Process for separating halogenated hydrocarbons by azeotropic distillation with ammonia |
JPS5339427A (en) * | 1976-09-22 | 1978-04-11 | Hitachi Ltd | Single-phase transformer |
US4362603A (en) * | 1981-01-02 | 1982-12-07 | The Standard Oil Company | Continuous acetonitrile recovery process |
DK0467531T3 (da) * | 1990-07-04 | 1994-10-31 | Ici Plc | Fremgangsmåde til adskillelse af 1,1,1,2-tetrafluorethan fra blandinger deraf med hydrogenfluorid og/eller 1-chlor-2,2-difluorethylen |
FR2672048B1 (fr) * | 1991-01-30 | 1993-05-28 | Inst Francais Du Petrole | Procede de separation d'ethyl tertiobutyl ether a partir de melanges. |
US5087329A (en) * | 1991-05-16 | 1992-02-11 | E. I. Du Pont De Nemours And Company | Process for separating pentafluoroethane from a mixture of halogenated hydrocarbons containing chloropentafluoroethane |
JP3182869B2 (ja) * | 1992-05-18 | 2001-07-03 | ダイキン工業株式会社 | ペンタフルオロエタンとペンタフルオロクロロエタンとの共沸混合物およびペンタフルオロクロロエタンの分離方法 |
-
1993
- 1993-02-23 US US08/023,827 patent/US5346595A/en not_active Expired - Lifetime
-
1994
- 1994-01-31 WO PCT/US1994/001117 patent/WO1994019301A1/en active IP Right Grant
- 1994-01-31 ES ES94907385T patent/ES2136190T3/es not_active Expired - Lifetime
- 1994-01-31 KR KR1019950703541A patent/KR100235756B1/ko active IP Right Grant
- 1994-01-31 DE DE69419732T patent/DE69419732T2/de not_active Expired - Lifetime
- 1994-01-31 JP JP6518991A patent/JP2800851B2/ja not_active Expired - Lifetime
- 1994-01-31 EP EP94907385A patent/EP0686137B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69419732T2 (de) | 2000-02-10 |
DE69419732D1 (de) | 1999-09-02 |
JP2800851B2 (ja) | 1998-09-21 |
ES2136190T3 (es) | 1999-11-16 |
JPH08502758A (ja) | 1996-03-26 |
EP0686137B1 (en) | 1999-07-28 |
EP0686137A1 (en) | 1995-12-13 |
US5346595A (en) | 1994-09-13 |
KR100235756B1 (ko) | 1999-12-15 |
WO1994019301A1 (en) | 1994-09-01 |
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