ES2132050T1 - Proceso para separar diclorodifluorometano. - Google Patents
Proceso para separar diclorodifluorometano.Info
- Publication number
- ES2132050T1 ES2132050T1 ES97927695T ES97927695T ES2132050T1 ES 2132050 T1 ES2132050 T1 ES 2132050T1 ES 97927695 T ES97927695 T ES 97927695T ES 97927695 T ES97927695 T ES 97927695T ES 2132050 T1 ES2132050 T1 ES 2132050T1
- Authority
- ES
- Spain
- Prior art keywords
- dichlorodifluoromethane
- separate
- difluoromethane
- presented
- separation
- 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.)
- Pending
Links
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
- C07C17/093—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
- C07C17/23—Preparation of halogenated hydrocarbons by dehalogenation
-
- 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
- C07C17/386—Separation; Purification; Stabilisation; Use of additives by distillation with auxiliary compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
EN LA PRESENTE INVENCION SE PRESENTA UN PROCEDIMIENTO PARA LA SEPARACION DE DICLORODIFLUOROMETANO DEL DIFLUOROMETANO. ESPECIFICAMENTE SE PRESENTA UN PROCEDIMIENTO PARA LA SEPARACION DE DICLORODIFLUOROMETANO Y DIFLUOROMETANO MEDIANTE UNA DESTILACION AZEOTROPICA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/652,891 US5785822A (en) | 1996-05-23 | 1996-05-23 | Process for separating difluoromethane |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2132050T1 true ES2132050T1 (es) | 1999-08-16 |
Family
ID=24618631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES97927695T Pending ES2132050T1 (es) | 1996-05-23 | 1997-05-22 | Proceso para separar diclorodifluorometano. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5785822A (es) |
EP (1) | EP0912476A1 (es) |
DE (1) | DE912476T1 (es) |
ES (1) | ES2132050T1 (es) |
WO (1) | WO1997044301A1 (es) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998008790A1 (fr) * | 1996-08-27 | 1998-03-05 | Daikin Industries, Ltd. | Procede de fabrication de difluoromethane |
DE69819163T2 (de) * | 1997-08-12 | 2004-07-22 | E.I. Du Pont De Nemours And Co., Wilmington | Reinigung von difluormethan durch extraktivdestillation |
US6488817B1 (en) * | 1998-03-31 | 2002-12-03 | Alliedsignal Inc. | Purification of hydrofluorocarbons |
CA2418856C (en) * | 2000-08-10 | 2011-12-13 | Solvay (Societe Anonyme) | Process for obtaining a purified hydrofluoroalkane |
US6500795B2 (en) * | 2001-01-24 | 2002-12-31 | Honeywell International Inc. | Azeotrope-like composition of 1-chloro-1,3,3,3-tetrafluoropropane and hydrogen fluoride |
US7189311B2 (en) * | 2001-03-23 | 2007-03-13 | Honeywell International Inc. | Purification of difluoromethane |
US7585280B2 (en) | 2004-12-29 | 2009-09-08 | Codman & Shurtleff, Inc. | System and method for measuring the pressure of a fluid system within a patient |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2062687T3 (es) * | 1990-07-04 | 1994-12-16 | Ici Plc | Proceso para la separacion de 1,1,1,2-tetrafluoretano a partir de mezclas del mismo con fluoruro de hidrogeno y/o 1-cloro-2,2-difluoretileno. |
KR100295306B1 (ko) * | 1992-04-13 | 2001-09-17 | 이노우에 노리유끼 | 플루오르화수소의제거방법 |
JPH0733691A (ja) * | 1993-07-21 | 1995-02-03 | Showa Denko Kk | ジフルオロメタンの製造方法 |
US5470442A (en) * | 1994-03-11 | 1995-11-28 | E. I. Du Pont De Nemours And Company | Separating and removing impurities from tetrafluoroethanes by using extractive distillation |
-
1996
- 1996-05-23 US US08/652,891 patent/US5785822A/en not_active Expired - Lifetime
-
1997
- 1997-05-22 ES ES97927695T patent/ES2132050T1/es active Pending
- 1997-05-22 WO PCT/US1997/008674 patent/WO1997044301A1/en not_active Application Discontinuation
- 1997-05-22 EP EP97927695A patent/EP0912476A1/en not_active Ceased
- 1997-05-22 DE DE0912476T patent/DE912476T1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0912476A1 (en) | 1999-05-06 |
WO1997044301A1 (en) | 1997-11-27 |
DE912476T1 (de) | 1999-11-04 |
US5785822A (en) | 1998-07-28 |
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