GB1076809A - Production of ethylene oxide - Google Patents
Production of ethylene oxideInfo
- Publication number
- GB1076809A GB1076809A GB47139/64A GB4713964A GB1076809A GB 1076809 A GB1076809 A GB 1076809A GB 47139/64 A GB47139/64 A GB 47139/64A GB 4713964 A GB4713964 A GB 4713964A GB 1076809 A GB1076809 A GB 1076809A
- Authority
- GB
- United Kingdom
- Prior art keywords
- range
- volume
- concentration
- zone
- ethylene
- 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
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/02—Synthesis of the oxirane ring
- C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
- C07D301/04—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen
- C07D301/08—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase
- C07D301/10—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase with catalysts containing silver or gold
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Epoxy Compounds (AREA)
- Catalysts (AREA)
Abstract
In a process for producing ethylene oxide by the partial oxidation of ethylene by means of a gaseous mixture containing 25-70% by volume of oxygen in the presence of a silver-containing catalyst, the process is carried out in two reaction zones in series, with purging from and recycling to each, the mixture in each having an oxygen concentration 1-10% by volume, a concentration of oxygen not in excess of 10% by volume, a concentration of halogenated inhibitor in the range of 0.0001 to 100 p.p.m. by weight, a concentration of methane and/or ethane in the range of 0.001 to 40% by volume, a reactor temperature in the range of 150-400 DEG C., a reactor pressure in the range of 50 to 650 p.s.i.g., a flow rate in the range of 150-1500 standard cubic ft. per hour per zone, an average zone diameter of 0.5-2.0 inch, and a zone length of 5-40 ft., the conditions being controlled to provide in the first zone a concentration of ethylene in the range of 5-30% by volume, a selectivity in the range 65-75% and a conversion in the range of 10-30%, and in the second zone a concentration of ethylene in the range of 1-5% by volume, a selectivity of 60-70% and conversion of 30-90%, and an ethylene oxide concentration in the exit gases of either stage of 0.3-5.0% by volume.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US32541763A | 1963-11-21 | 1963-11-21 | |
| US32541863A | 1963-11-21 | 1963-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1076809A true GB1076809A (en) | 1967-07-26 |
Family
ID=26984928
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB47139/64A Expired GB1076809A (en) | 1963-11-21 | 1964-11-19 | Production of ethylene oxide |
| GB47138/64A Expired GB1075454A (en) | 1963-11-21 | 1964-11-19 | Production of ethylene oxide |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB47138/64A Expired GB1075454A (en) | 1963-11-21 | 1964-11-19 | Production of ethylene oxide |
Country Status (10)
| Country | Link |
|---|---|
| BE (2) | BE655467A (en) |
| BR (1) | BR6464376D0 (en) |
| CH (2) | CH419081A (en) |
| DE (2) | DE1468047A1 (en) |
| FR (2) | FR1450432A (en) |
| GB (2) | GB1076809A (en) |
| IL (2) | IL22480A (en) |
| LU (2) | LU47324A1 (en) |
| NL (2) | NL6412836A (en) |
| SE (2) | SE323065B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2433503A (en) * | 2005-12-22 | 2007-06-27 | Shell Int Research | Epoxidation of an olefin by reacting olefin, oxygen & catalyst in a microchannel reactor, and chemicals derivable from an olefin oxide |
| US7750170B2 (en) | 2005-12-22 | 2010-07-06 | Shell Oil Company | Process for mixing an oxidant having explosive potential with a hydrocarbon |
-
1964
- 1964-11-04 NL NL6412836A patent/NL6412836A/xx unknown
- 1964-11-09 BE BE655467D patent/BE655467A/xx unknown
- 1964-11-09 BE BE655468D patent/BE655468A/xx unknown
- 1964-11-11 LU LU47324A patent/LU47324A1/xx unknown
- 1964-11-11 LU LU47326A patent/LU47326A1/xx unknown
- 1964-11-11 NL NL6413130A patent/NL6413130A/xx unknown
- 1964-11-16 BR BR164376/64A patent/BR6464376D0/en unknown
- 1964-11-19 CH CH1496164A patent/CH419081A/en unknown
- 1964-11-19 GB GB47139/64A patent/GB1076809A/en not_active Expired
- 1964-11-19 GB GB47138/64A patent/GB1075454A/en not_active Expired
- 1964-11-19 CH CH1496064A patent/CH419080A/en unknown
- 1964-11-20 FR FR995691A patent/FR1450432A/en not_active Expired
- 1964-11-20 IL IL22480A patent/IL22480A/en unknown
- 1964-11-20 IL IL22481A patent/IL22481A/en unknown
- 1964-11-20 FR FR995690A patent/FR1450431A/en not_active Expired
- 1964-11-21 SE SE14081/64A patent/SE323065B/xx unknown
- 1964-11-21 DE DE19641468047 patent/DE1468047A1/en active Pending
- 1964-11-21 DE DE19641468046 patent/DE1468046A1/en active Pending
- 1964-11-21 SE SE14080/64A patent/SE322504B/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2433503A (en) * | 2005-12-22 | 2007-06-27 | Shell Int Research | Epoxidation of an olefin by reacting olefin, oxygen & catalyst in a microchannel reactor, and chemicals derivable from an olefin oxide |
| US7750170B2 (en) | 2005-12-22 | 2010-07-06 | Shell Oil Company | Process for mixing an oxidant having explosive potential with a hydrocarbon |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1468047A1 (en) | 1969-03-27 |
| NL6412836A (en) | 1965-05-24 |
| SE323065B (en) | 1970-04-27 |
| IL22480A (en) | 1968-12-26 |
| LU47326A1 (en) | 1966-05-11 |
| LU47324A1 (en) | 1966-05-11 |
| FR1450432A (en) | 1966-06-24 |
| BR6464376D0 (en) | 1973-08-09 |
| CH419080A (en) | 1966-08-31 |
| CH419081A (en) | 1966-08-31 |
| IL22481A (en) | 1968-12-26 |
| BE655467A (en) | 1965-05-10 |
| SE322504B (en) | 1970-04-13 |
| FR1450431A (en) | 1966-06-24 |
| NL6413130A (en) | 1965-05-24 |
| DE1468046A1 (en) | 1969-05-29 |
| BE655468A (en) | 1965-05-10 |
| GB1075454A (en) | 1967-07-12 |
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