GB894138A - Process for the production of chlorinated hydrocarbons - Google Patents
Process for the production of chlorinated hydrocarbonsInfo
- Publication number
- GB894138A GB894138A GB19271/59A GB1927159A GB894138A GB 894138 A GB894138 A GB 894138A GB 19271/59 A GB19271/59 A GB 19271/59A GB 1927159 A GB1927159 A GB 1927159A GB 894138 A GB894138 A GB 894138A
- Authority
- GB
- United Kingdom
- Prior art keywords
- oxygen
- catalyst
- chlorinated
- air
- particles
- 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
Links
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
- C07C17/15—Preparation of halogenated hydrocarbons by replacement by halogens with oxygen as auxiliary reagent, e.g. oxychlorination
-
- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/06—Halogens; Compounds thereof
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)
Abstract
Chlorinated aliphatic hydrocarbons are prepared by reacting at elevated temperature in the gaseous state, a C1-4 aliphatic hydrocarbon and/or a partially chlorinated derivative thereof, with hydrogen chloride and/or elemental chlorine and an oxygen-containing gas in the presence of a metal halide catalyst, said catalyst comprising a mixture of carrier particles impregnated with metal halides and carrier particles not so impregnated in a volumetric ratio of 1 part active catalyst particles to from 1 to 3 parts of inactive particles. The catalyst particles preferably have a longest dimension of not more than 2 inches (preferably spherical) and are preferably used in a tubular reactor (preferably 1/4 inch to 4 inches internal diameter), each particle preferably having a total volume equal to that of a sphere having a diameter from 1/5 to 1/7 the diameter of the reactor. Preferred reaction temperatures are 325 DEG C.-700 DEG C. The reactor may be surrounded by a jacket containing a heat exchange medium, e.g. a molten mixture of KNO3, NaNO3 and NaNO2, the catalyst temperature being preferably maintained at 30 DEG C. to 375 DEG C. above that of the heat exchange medium. Residence times may be 0.2 to 10 seconds. The oxygen-containing gas may be oxygen alone, air, oxygen enriched air, air and an inert gas or air, oxygen and an inert gas. Preferably enough oxygen is used to ensure oxidation of the chlorinating medium and still provide some unreacted oxygen in the exit gas. Non-chlorinated and partially chlorinated products may be recycled. The substances chlorinated may belong to the paraffinic, olefinic or acetylenic series. The metal halide catalyst is preferably derived from a metal of variable valency, e.g. Cu, Cr or Fe; other metal halides, e.g. of Na or K, may be present. In examples, CCl4, CH3Cl, CH2Cl2 and CHCl3 are prepared from methane. Specification 894,137 is referred to. Reference has been directed by the Comptroller to Specification 853,754.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US894138XA | 1958-06-24 | 1958-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB894138A true GB894138A (en) | 1962-04-18 |
Family
ID=22217502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB19271/59A Expired GB894138A (en) | 1958-06-24 | 1959-06-05 | Process for the production of chlorinated hydrocarbons |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB894138A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK151007B (en) * | 1973-09-04 | 1987-10-12 | Chloe Chemie | FLUIDIZABLE POWDER-SHAPED CONTACT MASS USED BY OXYHALOGENATION OF IN-GAS PHASE CARBON MONOXIDE AND CARBON HYDROIDES |
| WO1996012693A1 (en) * | 1994-10-20 | 1996-05-02 | Evc Technology Ag | Single stage fixed bed oxychlorination of ethylene |
-
1959
- 1959-06-05 GB GB19271/59A patent/GB894138A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK151007B (en) * | 1973-09-04 | 1987-10-12 | Chloe Chemie | FLUIDIZABLE POWDER-SHAPED CONTACT MASS USED BY OXYHALOGENATION OF IN-GAS PHASE CARBON MONOXIDE AND CARBON HYDROIDES |
| WO1996012693A1 (en) * | 1994-10-20 | 1996-05-02 | Evc Technology Ag | Single stage fixed bed oxychlorination of ethylene |
| US6180841B1 (en) | 1994-10-20 | 2001-01-30 | Evc Technology Ag | Single stage fixed bed oxychlorination of ethylene |
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