GB969416A - Production of 1,2-dichloroethane, trichloroethylene and perchloroethylene - Google Patents
Production of 1,2-dichloroethane, trichloroethylene and perchloroethyleneInfo
- Publication number
- GB969416A GB969416A GB3969162A GB3969162A GB969416A GB 969416 A GB969416 A GB 969416A GB 3969162 A GB3969162 A GB 3969162A GB 3969162 A GB3969162 A GB 3969162A GB 969416 A GB969416 A GB 969416A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chloride
- oxychlorination
- ethylene
- stream
- chlorine
- 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
- C07C17/152—Preparation of halogenated hydrocarbons by replacement by halogens with oxygen as auxiliary reagent, e.g. oxychlorination of hydrocarbons
- C07C17/154—Preparation of halogenated hydrocarbons by replacement by halogens with oxygen as auxiliary reagent, e.g. oxychlorination of hydrocarbons of saturated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C21/00—Acyclic unsaturated compounds containing halogen atoms
- C07C21/02—Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds
- C07C21/04—Chloro-alkenes
- C07C21/10—Trichloro-ethylene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C21/00—Acyclic unsaturated compounds containing halogen atoms
- C07C21/02—Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds
- C07C21/04—Chloro-alkenes
- C07C21/12—Tetrachloro-ethylene
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
An oxychlorination process comprises introducing ethane, an oxygen-containing gas and chlorine and/or hydrogen chloride into a first oxychlorination metal halide catalyst zone operated at a temperature of from 400 to 650 DEG C. to produce a hydrocarbon chloride stream containing predominant quantities of ethylene, introducing gas containing said ethylene, an oxygen-containing gas and chlorine and/or hydrogen chloride into a second oxychlorination metal halide catalyst zone operated at a temperature of from 250 to 400 DEG C. to produce 1,2-dichloroethane. The gaseous product from the second oxychlorination zone may be introduced along with an oxygen-containing gas and chlorine and/or hydrogen chloride into a third oxychlorination metal halide catalyst zone operated at a temperature of from 400 to 650 DEG C. to produce perchloroethylene and trichloroethylene. The main component of the hydrocarbon chloride stream from the first zone, apart from ethylene is vinyl chloride; ethyl chloride, perchloroethylene, trichloroethylene, 1,2-dichloroethane, dichloroethylene, 1,1,2-trichloroethane, chloroform, methylene chloride and methyl chloride may also be present. The stream may be chilled to remove chlorinated hydrocarbons before the ethylene is fed to the second zone.ALSO:Ethylene is the predominant constituent of a chlorinated hydrocarbon stream produced by introducing ethane, an oxygen-containing gas and chlorine and/or hydrogen chloride into an oxychlorination metal halide catalyst zone operated at a temperature of from 400 DEG to 650 DEG C. The stream may be chilled to condense out the chlorinated hydrocarbons.ALSO:Oxychlorination catalysts comprise: (1) calcined diatomaceous earth pellets 1/4 inch long and 1/4 inch in diameter impregnated with an aqueous solution of cupric chloride and potassium chloride and air dried; (2) calcined diatomaceous earth of particle size 60-100 mesh impregnated with an aqueous solution of cupric chloride and potassium chloride and dried at 140 DEG C. to give a product containing 10% by weight of copper.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14880861A | 1961-10-31 | 1961-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB969416A true GB969416A (en) | 1964-09-09 |
Family
ID=22527479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3969162A Expired GB969416A (en) | 1961-10-31 | 1962-10-19 | Production of 1,2-dichloroethane, trichloroethylene and perchloroethylene |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE621970A (en) |
| CH (1) | CH409902A (en) |
| GB (1) | GB969416A (en) |
| NL (1) | NL282149A (en) |
-
0
- BE BE621970D patent/BE621970A/xx unknown
- NL NL282149D patent/NL282149A/xx unknown
-
1962
- 1962-10-19 GB GB3969162A patent/GB969416A/en not_active Expired
- 1962-10-25 CH CH1255562A patent/CH409902A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE621970A (en) | |
| NL282149A (en) | |
| CH409902A (en) | 1966-03-31 |
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