ITMI922799A0 - Procedimento per la separazione di hf da sue miscele con gli idroclorofluorcarburi 123 e/o 124 - Google Patents
Procedimento per la separazione di hf da sue miscele con gli idroclorofluorcarburi 123 e/o 124Info
- Publication number
- ITMI922799A0 ITMI922799A0 IT92MI2799A ITMI922799A ITMI922799A0 IT MI922799 A0 ITMI922799 A0 IT MI922799A0 IT 92MI2799 A IT92MI2799 A IT 92MI2799A IT MI922799 A ITMI922799 A IT MI922799A IT MI922799 A0 ITMI922799 A0 IT MI922799A0
- Authority
- IT
- Italy
- Prior art keywords
- hydrochlorofluocarbons
- mixtures
- separation
- procedure
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
- 239000000203 mixture Substances 0.000 title 1
- 238000000926 separation method Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/191—Hydrogen fluoride
- C01B7/195—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/191—Hydrogen fluoride
- C01B7/195—Separation; Purification
- C01B7/196—Separation; Purification 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Hydrogen, Water And Hydrids (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI922799A IT1256631B (it) | 1992-12-10 | 1992-12-10 | Procedimento per la separazione di hf da sue miscele con gli idroclorofluorcarburi 123 e/o 124 |
AT93118728T ATE148875T1 (de) | 1992-12-10 | 1993-11-22 | Verfahren zur abtrennung von fluorwasserstoff aus seinen mischungen mit chlorfluorkohlenwasserstoffen 123 und/oder 124 |
DE69308110T DE69308110T2 (de) | 1992-12-10 | 1993-11-22 | Verfahren zur Abtrennung von Fluorwasserstoff aus seinen Mischungen mit Chlorfluorkohlenwasserstoffen 123 und/oder 124 |
EP93118728A EP0601373B1 (en) | 1992-12-10 | 1993-11-22 | Process for separating hydrogen fluoride from its mixtures with chlorofluorohydrocarbons 123 and/or 124 |
CA002110869A CA2110869C (en) | 1992-12-10 | 1993-12-07 | Process for separating hf from its mixtures with hydrochlorofluorocarbons 123 and/or 124 |
RU93054522A RU2117651C1 (ru) | 1992-12-10 | 1993-12-08 | Способ выделения hf из жидких смесей, содержащий 1,1,1-трифтор-2,2-дихлорэтан и/или 1,1,1,2-тетрафтор-2-хлорэтан |
KR1019930026843A KR100303802B1 (ko) | 1992-12-10 | 1993-12-08 | 수소화염화플루오르화탄소123및/또는124와의혼합물로부터hf의분리방법 |
JP30943593A JP3537472B2 (ja) | 1992-12-10 | 1993-12-09 | Hfおよびヒドロクロロフルオロカーボン123および/または124の混合物からhfを分離する方法 |
US08/604,090 US5560899A (en) | 1992-12-10 | 1996-02-20 | Process for separating HF from its mixtures with hydrochlorofluorocarbons 123 and/or 124 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI922799A IT1256631B (it) | 1992-12-10 | 1992-12-10 | Procedimento per la separazione di hf da sue miscele con gli idroclorofluorcarburi 123 e/o 124 |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI922799A0 true ITMI922799A0 (it) | 1992-12-10 |
ITMI922799A1 ITMI922799A1 (it) | 1994-06-10 |
IT1256631B IT1256631B (it) | 1995-12-12 |
Family
ID=11364424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI922799A IT1256631B (it) | 1992-12-10 | 1992-12-10 | Procedimento per la separazione di hf da sue miscele con gli idroclorofluorcarburi 123 e/o 124 |
Country Status (9)
Country | Link |
---|---|
US (1) | US5560899A (it) |
EP (1) | EP0601373B1 (it) |
JP (1) | JP3537472B2 (it) |
KR (1) | KR100303802B1 (it) |
AT (1) | ATE148875T1 (it) |
CA (1) | CA2110869C (it) |
DE (1) | DE69308110T2 (it) |
IT (1) | IT1256631B (it) |
RU (1) | RU2117651C1 (it) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3163831B2 (ja) * | 1993-04-06 | 2001-05-08 | ダイキン工業株式会社 | 1,1−ジフルオロエタンとフッ化水素の共沸混合物および1,1−ジフルオロエタンまたはフッ化水素の回収方法 |
JP2933014B2 (ja) * | 1996-01-23 | 1999-08-09 | ダイキン工業株式会社 | ペンタフルオロプロパンとフッ化水素の共沸混合物およびペンタフルオロプロパンの分離精製方法 |
US5948381A (en) * | 1996-07-03 | 1999-09-07 | Alliedsignal Inc. | Process for separating fluorocarbon compounds |
FR2768717B1 (fr) * | 1997-09-24 | 1999-11-12 | Solvay | Procede de separation de fluorure d'hydrogene de ses melanges avec un hydrofluoroalcane contenant de 3 a 6 atomes de carbone |
RU2261856C2 (ru) | 1998-12-18 | 2005-10-10 | Солвей (Сосьете Аноним) | Способ разделения смеси, содержащей по меньшей мере один гидрофторалкан и фтористый водород, способ получения гидрофторалкана и азеотропная композиция |
US6417413B1 (en) | 1999-11-03 | 2002-07-09 | Alliedsignal Inc. | Process for the preparation of halogenated ethanes |
US6423290B1 (en) * | 2000-05-31 | 2002-07-23 | International Business Machines Corporation | Method for recovering an organic solvent from an acidic waste stream such as in integrated chip manufacturing |
CN100467093C (zh) | 2001-06-01 | 2009-03-11 | 霍尼韦尔国际公司 | 1,1,1,3,3-五氟丁烷与氟化氢的类共沸组合物 |
DE10221113B4 (de) * | 2002-05-06 | 2013-04-04 | Fluorchemie Gmbh Frankfurt | Verfahren zur Herstellung hochreiner Flusssäure |
US7371363B2 (en) * | 2003-07-15 | 2008-05-13 | Honeywell International Inc. | Methods of purifying hydrogen fluoride |
US7803975B2 (en) * | 2006-07-13 | 2010-09-28 | E.I. Du Pont De Nemours And Company | Process for separating a fluoroolefin from HF by liquid-liquid extraction |
JP2011513228A (ja) * | 2008-02-21 | 2011-04-28 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | 共沸蒸留によるフッ化水素からの1,3,3,3−テトラフルオロプロペンの分離方法 |
RU2485086C2 (ru) * | 2008-02-21 | 2013-06-20 | Е.И.Дюпон Де Немур Энд Компани | Азеотропные композиции, содержащие 3,3,3-трифторпропен и фтороводород, и способ их разделения |
KR101842380B1 (ko) * | 2008-02-21 | 2018-03-26 | 이 아이 듀폰 디 네모아 앤드 캄파니 | 공비 증류에 의한 플루오르화수소로부터의 2,3,3,3-테트라플루오로프로펜의 분리 방법 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2640086A (en) * | 1951-12-15 | 1953-05-26 | Du Pont | Process for separating hydrogen fluoride from chlorodifluoromethane |
US3406099A (en) * | 1965-09-16 | 1968-10-15 | Allied Chem | Distillation of an azeotropic mixture of cf3cocf3 hf and ccl2fccif2 |
US3947558A (en) * | 1973-08-16 | 1976-03-30 | Dow Chemical (Nederland) B.V. | Method of recovering HF from mixtures containing C1 -C3 halocarbon compounds |
FR2414475A1 (fr) * | 1978-01-13 | 1979-08-10 | Solvay | Procede pour la separation du fluorure d'hydrogene de ses melanges avec le 1-chloro-1, 1-difluorethane |
US4382895A (en) * | 1979-11-27 | 1983-05-10 | Texaco Inc. | Preparation of alkyl sulfonates |
FR2505832A1 (fr) * | 1981-05-15 | 1982-11-19 | Rhone Poulenc Spec Chim | Procede de preparation d'imides n-benzyl substitues |
IT1202652B (it) * | 1987-03-09 | 1989-02-09 | Ausimont Spa | Processo per la preparazione di 1,1,1-trifluoro-2,2-dicloroetano mediante idrofluorurazione in presenza di catalizzatori |
US4911792A (en) * | 1988-08-01 | 1990-03-27 | E. I. Du Pont De Nemours And Company | Process for the separation of HF via phase separation and distillation |
US4944846A (en) * | 1988-08-01 | 1990-07-31 | E. I. Dupont De Nemours And Company | Process for the separation of HF via Azeotropic distillation |
US5100639A (en) * | 1990-03-02 | 1992-03-31 | E. I. Du Pont De Nemours And Company | Process for purifying hydrogen fluoride |
GB9018372D0 (en) * | 1990-08-21 | 1990-10-03 | Ici Plc | Separation process |
-
1992
- 1992-12-10 IT ITMI922799A patent/IT1256631B/it active IP Right Grant
-
1993
- 1993-11-22 EP EP93118728A patent/EP0601373B1/en not_active Expired - Lifetime
- 1993-11-22 DE DE69308110T patent/DE69308110T2/de not_active Expired - Fee Related
- 1993-11-22 AT AT93118728T patent/ATE148875T1/de active
- 1993-12-07 CA CA002110869A patent/CA2110869C/en not_active Expired - Fee Related
- 1993-12-08 KR KR1019930026843A patent/KR100303802B1/ko not_active IP Right Cessation
- 1993-12-08 RU RU93054522A patent/RU2117651C1/ru not_active IP Right Cessation
- 1993-12-09 JP JP30943593A patent/JP3537472B2/ja not_active Expired - Fee Related
-
1996
- 1996-02-20 US US08/604,090 patent/US5560899A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2110869A1 (en) | 1994-06-11 |
KR940014140A (ko) | 1994-07-16 |
EP0601373B1 (en) | 1997-02-12 |
JP3537472B2 (ja) | 2004-06-14 |
US5560899A (en) | 1996-10-01 |
IT1256631B (it) | 1995-12-12 |
ATE148875T1 (de) | 1997-02-15 |
DE69308110D1 (de) | 1997-03-27 |
DE69308110T2 (de) | 1997-08-28 |
CA2110869C (en) | 2004-10-26 |
KR100303802B1 (ko) | 2002-06-20 |
JPH0741302A (ja) | 1995-02-10 |
EP0601373A1 (en) | 1994-06-15 |
ITMI922799A1 (it) | 1994-06-10 |
RU2117651C1 (ru) | 1998-08-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19961220 |