ES2150035T3 - Procedimiento para la preparacion de pentafluoroetano (r 125). - Google Patents
Procedimiento para la preparacion de pentafluoroetano (r 125).Info
- Publication number
- ES2150035T3 ES2150035T3 ES96103774T ES96103774T ES2150035T3 ES 2150035 T3 ES2150035 T3 ES 2150035T3 ES 96103774 T ES96103774 T ES 96103774T ES 96103774 T ES96103774 T ES 96103774T ES 2150035 T3 ES2150035 T3 ES 2150035T3
- Authority
- ES
- Spain
- Prior art keywords
- chromium
- pentafluoroethane
- dried
- dough
- calculated
- 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.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/22—Halogenating
- B01J37/26—Fluorinating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/26—Chromium
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
LA INVENCION TRATA DE UN PROCEDIMIENTO PARA LA OBTENCION DE PENTAFLUOROETANO (R 125) HACIENDO REACCIONAR PERCLOROETILENO CON ACIDO FLUORHIDRICO EN LA FASE GASEOSA EN UN CATALIZADOR QUE CONTIENE CROMO, UTILIZANDO UN CATALIZADOR CON CROMO Y MAGNESIO, EL CUAL SE OBTIENE HACIENDO REACCIONAR UNA SAL DE CROMO(III) SOLUBLE EN AGUA CON HIDROXIDO MAGNESICO U OXIDO DE MAGNESIO Y OPCIONALMENTE GRAFITO EN PRESENCIA DE AGUA, LA MEZCLA REACTIVA SE TRANSFORMA EN UNA PASTA, QUE SE DEJA SECAR Y SE TRATA A UNAS TEMPERATURAS ENTRE 20 Y 500 C CON ACIDO FLUORHIDRICO, UTILIZANDO TALES CANTIDADES EN SALES DE CROMO (III) Y MAGNESIO Y OPCIONALMENTE GRAFITO, QUE LA PASTA SECA ANTES DEL TRATAMIENTO CON ACIDO FLUORHIDRICO CONTIENE DE 4,5 A 26 % EN PESO DE CR, EXPRESADO COMO CR{SUB,2}O{SUB,3}, Y AL MENOS 25 % EN PESO DE MG, EXPRESADO COMO MGO, Y OPCIONALMENTE GRAFITO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19510024A DE19510024C2 (de) | 1995-03-20 | 1995-03-20 | Verfahren zur Herstellung von Pentafluorethan (R 125) |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2150035T3 true ES2150035T3 (es) | 2000-11-16 |
Family
ID=7757143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES96103774T Expired - Lifetime ES2150035T3 (es) | 1995-03-20 | 1996-03-11 | Procedimiento para la preparacion de pentafluoroetano (r 125). |
Country Status (6)
Country | Link |
---|---|
US (1) | US5763701A (es) |
EP (1) | EP0733611B1 (es) |
JP (1) | JPH08268933A (es) |
AT (1) | ATE194824T1 (es) |
DE (2) | DE19510024C2 (es) |
ES (1) | ES2150035T3 (es) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2757085B1 (fr) * | 1996-12-13 | 1999-01-22 | Atochem Elf Sa | Catalyseurs massiques a base de chrome et de nickel pour la fluoration en phase gazeuse d'hydrocarbures halogenes |
JP3520900B2 (ja) * | 1997-12-12 | 2004-04-19 | ダイキン工業株式会社 | ペンタフルオロエタンの製造方法、並びにフッ素化用触媒及びその製造方法 |
WO1999040841A1 (en) * | 1998-02-11 | 1999-08-19 | Non-Invasive Technology, Inc. | Imaging and characterization of brain tissue |
AUPQ001599A0 (en) | 1999-04-28 | 1999-05-20 | Cast Centre Pty Ltd | Gaseous compositions |
RU2004102799A (ru) * | 2001-06-28 | 2005-06-27 | Хонейвелл Интернэшнл, Инк. (Us) | Способ получения катализатора фторирования |
FR2852007B1 (fr) * | 2003-03-07 | 2007-05-11 | Solvay | Procede de fabrication de 1,1,1-trifluoroethane |
KR100680766B1 (ko) * | 2005-09-23 | 2007-02-09 | 울산화학주식회사 | 펜타플루오로에탄 제조용 촉매의 제조방법 |
CN113648986A (zh) * | 2021-08-13 | 2021-11-16 | 成都中科普瑞净化设备有限公司 | 乙炔氢氯化制氯乙烯催化剂的制备方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3258500A (en) * | 1959-08-17 | 1966-06-28 | Du Pont | Process for fluorinating halohydro-carbons |
GB901297A (en) * | 1960-04-12 | 1962-07-18 | Union Carbide Corp | Process for the production of pentafluoroethane |
GB1307224A (en) * | 1969-06-27 | 1973-02-14 | Ici Ltd | Chromium oxide catalyst |
DE3323374A1 (de) * | 1983-06-29 | 1985-01-10 | Hoechst Ag, 6230 Frankfurt | Katalysatoren fuer fluorierungs- und/oder dismutierungsreaktionen von halogenkohlenwasserstoffen und verfahren zu ihrer herstellung |
JP2764980B2 (ja) * | 1988-12-28 | 1998-06-11 | 旭硝子株式会社 | パークロロエチレンのフッ素化方法 |
DE3923256A1 (de) * | 1989-07-14 | 1991-01-24 | Hoechst Ag | Verfahren zur herstellung von 1,1,1-trifluor-2-chlorethan |
DE3930507A1 (de) * | 1989-09-13 | 1991-03-21 | Hoechst Ag | Verfahren zur herstellung von 1,1,1,2-tetrafluorethan |
DE59203875D1 (de) * | 1991-05-17 | 1995-11-09 | Hoechst Ag | Verfahren zur Herstellung von Pentafluorethan (R 125). |
FR2700766B1 (fr) * | 1993-01-27 | 1995-03-24 | Atochem Elf Sa | Procédé de fluoration de perchloréthylène ou du pentachloréthane. |
-
1995
- 1995-03-20 DE DE19510024A patent/DE19510024C2/de not_active Expired - Fee Related
-
1996
- 1996-03-11 AT AT96103774T patent/ATE194824T1/de not_active IP Right Cessation
- 1996-03-11 ES ES96103774T patent/ES2150035T3/es not_active Expired - Lifetime
- 1996-03-11 DE DE59605616T patent/DE59605616D1/de not_active Expired - Fee Related
- 1996-03-11 EP EP96103774A patent/EP0733611B1/de not_active Expired - Lifetime
- 1996-03-18 US US08/617,218 patent/US5763701A/en not_active Expired - Fee Related
- 1996-03-19 JP JP8063177A patent/JPH08268933A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0733611B1 (de) | 2000-07-19 |
DE19510024A1 (de) | 1996-10-02 |
DE59605616D1 (de) | 2000-08-24 |
JPH08268933A (ja) | 1996-10-15 |
EP0733611A1 (de) | 1996-09-25 |
ATE194824T1 (de) | 2000-08-15 |
US5763701A (en) | 1998-06-09 |
DE19510024C2 (de) | 1997-02-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2150035T3 (es) | Procedimiento para la preparacion de pentafluoroetano (r 125). | |
EP1052234A4 (en) | METHOD FOR SYNTHESISING A MATERIAL FOR THE CHEMICAL INDUSTRY AND A HIGH-OCTANIC FUEL AND HIGH-OCTANE FUEL COMPOSITION | |
DE3560739D1 (en) | Process for the chemical-thermal decomposition of higher halogenated hydrocarbons | |
ES2128442T3 (es) | Composiciones de hidroxiapatito carbonado y sus utilizaciones. | |
ES8502875A1 (es) | Procedimiento para la preparacion de un catalizador que contiene cromo y magnesio para reacciones de fluoracion | |
ES2139691T3 (es) | Procedimiento para la preparacion de cloruros de acidos polifluorocarboxilicos y perfluorocarboxilicos. | |
ES2053998T3 (es) | Procedimiento de hidrofluoracion en fase-gaseosa. | |
CA2036220A1 (en) | Process for the preparation of 1,1,1,3,3,3-hexafluoropropane and 2-chloro-1,1,1,3,3,3-hexafluoropropane | |
CA2025145A1 (en) | Process for the preparation of 1,1,1,2-tetrafluoroethane | |
ES2065161T3 (es) | Procedimiento y productos intermedios para preparar azabiciclo(2.2.2)octan-3-iminas. | |
HRP931376B1 (en) | Sulfonyl benzoic acids, process for their preparation and their use | |
CA2202994A1 (en) | Carbonization of halocarbons | |
CA2021141A1 (en) | Process for the preparation of 1,1,1-trifluoro-2-chloroethane | |
ES2051713T3 (es) | Procedimiento para producir derivados de urea y de determinacion calorimetrica utilizandolos. | |
HK1027553A1 (en) | Process for preparing a fatty acyl isethionate salt | |
CA2068832A1 (en) | Process for the preparation of pentafluoroethane (r 125) | |
FR2436107A1 (fr) | Procede pour convertir le sulfate ferreux en un produit sous forme de particules non polluantes | |
CA2191836A1 (en) | Use of calcium chloride and magnesium chloride as leavening acids for batter and dough compositions | |
GR66633B (es) | ||
ES2157232T3 (es) | Procedimiento para la preparacion de 2,4,5-tribromo-pirrol-3-carbonitrilo. | |
ZA961690B (en) | Process for the preparation of 3.chloropropionic acid | |
AU5658390A (en) | Composition for the treatment of plants and its uses | |
BR9809661A (pt) | Redução de halogenetos aromáticos | |
JPS57197233A (en) | Preparation of fluorine-containing halogenated hydrocarbon | |
ES2111111T3 (es) | Procedimiento para la obtencion de cloruros de beta-oxicarbonilo alfa,beta-saturados. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
Ref document number: 733611 Country of ref document: ES |