GB1075454A - Production of ethylene oxide - Google Patents
Production of ethylene oxideInfo
- Publication number
- GB1075454A GB1075454A GB47138/64A GB4713864A GB1075454A GB 1075454 A GB1075454 A GB 1075454A GB 47138/64 A GB47138/64 A GB 47138/64A GB 4713864 A GB4713864 A GB 4713864A GB 1075454 A GB1075454 A GB 1075454A
- Authority
- GB
- United Kingdom
- Prior art keywords
- concentration
- volume
- zone
- ethylene
- selectivity
- 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)
- Epoxy Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Abstract
In a process for producing ehtylene oxide by the partial oxidation of ethylene by means of gaseous oxygen in the presence of a silver catalyst the process is carried out in three reaction zones in series, with purging from and recycling to each, each zone having a concentration of oxygen of 1-10% by volume, a concentration of carbon dioxide not in excess of 10% by volume, a concentration of halogenated inhibitor of 0.0001-100 p.p.m. by weight, a concentration of methane and/or ethane of 0.001 to 40% by volume, a reactor temperature of 150-400 DEG C., a reactor pressure of 50-650 p.s.i.g., a flow rate of 50-1500 standard cu. ft./ hr. per zone with an average diameter of the zone 0.5-2.0 inches and the zone length of 5-40 ft., the conditions being controlled to provide in the first zone a concentration of ethylene of 7-20% by volume, a selectivity of 65-75% and a conversion of 10-30%, in the second zone a concentration of ethylene of 2-5% by volume, a selectivity of 60-70% and a conversion of 50-25% and in the third zone a concentration of ethylene of 0.5 to 3% by volume, a selectivity of 60-65% and a conversion of 90-50%, and an ethylene oxide concentration in the exit gas of 0.3-5.0% by volume.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US32541863A | 1963-11-21 | 1963-11-21 | |
| US32541763A | 1963-11-21 | 1963-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1075454A true GB1075454A (en) | 1967-07-12 |
Family
ID=26984928
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB47138/64A Expired GB1075454A (en) | 1963-11-21 | 1964-11-19 | Production of ethylene oxide |
| GB47139/64A Expired GB1076809A (en) | 1963-11-21 | 1964-11-19 | Production of ethylene oxide |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB47139/64A Expired GB1076809A (en) | 1963-11-21 | 1964-11-19 | Production of ethylene oxide |
Country Status (10)
| Country | Link |
|---|---|
| BE (2) | BE655468A (en) |
| BR (1) | BR6464376D0 (en) |
| CH (2) | CH419080A (en) |
| DE (2) | DE1468046A1 (en) |
| FR (2) | FR1450432A (en) |
| GB (2) | GB1075454A (en) |
| IL (2) | IL22481A (en) |
| LU (2) | LU47326A1 (en) |
| NL (2) | NL6412836A (en) |
| SE (2) | SE322504B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2895285A1 (en) * | 2005-12-22 | 2007-06-29 | Shell Int Research | PROCESS FOR THE PREPARATION OF EPOXIDATION CATALYST, EPOXIDATION CATALYST, PROCESS FOR PREPARING OLEFIN OXIDE OR CHEMICAL PRODUCT DERIVABLE FROM OLEFIN OXIDE, AND REACTOR SUITABLE FOR SUCH A METHOD |
| 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 BE655468D patent/BE655468A/xx unknown
- 1964-11-09 BE BE655467D patent/BE655467A/xx unknown
- 1964-11-11 LU LU47326A patent/LU47326A1/xx unknown
- 1964-11-11 NL NL6413130A patent/NL6413130A/xx unknown
- 1964-11-11 LU LU47324A patent/LU47324A1/xx unknown
- 1964-11-16 BR BR164376/64A patent/BR6464376D0/en unknown
- 1964-11-19 CH CH1496064A patent/CH419080A/en unknown
- 1964-11-19 CH CH1496164A patent/CH419081A/en unknown
- 1964-11-19 GB GB47138/64A patent/GB1075454A/en not_active Expired
- 1964-11-19 GB GB47139/64A patent/GB1076809A/en not_active Expired
- 1964-11-20 IL IL22481A patent/IL22481A/en unknown
- 1964-11-20 IL IL22480A patent/IL22480A/en unknown
- 1964-11-20 FR FR995691A patent/FR1450432A/en not_active Expired
- 1964-11-20 FR FR995690A patent/FR1450431A/en not_active Expired
- 1964-11-21 SE SE14080/64A patent/SE322504B/xx unknown
- 1964-11-21 DE DE19641468046 patent/DE1468046A1/en active Pending
- 1964-11-21 DE DE19641468047 patent/DE1468047A1/en active Pending
- 1964-11-21 SE SE14081/64A patent/SE323065B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE655468A (en) | 1965-05-10 |
| FR1450432A (en) | 1966-06-24 |
| FR1450431A (en) | 1966-06-24 |
| LU47324A1 (en) | 1966-05-11 |
| BR6464376D0 (en) | 1973-08-09 |
| IL22481A (en) | 1968-12-26 |
| GB1076809A (en) | 1967-07-26 |
| IL22480A (en) | 1968-12-26 |
| DE1468047A1 (en) | 1969-03-27 |
| NL6413130A (en) | 1965-05-24 |
| BE655467A (en) | 1965-05-10 |
| DE1468046A1 (en) | 1969-05-29 |
| LU47326A1 (en) | 1966-05-11 |
| CH419080A (en) | 1966-08-31 |
| SE323065B (en) | 1970-04-27 |
| CH419081A (en) | 1966-08-31 |
| NL6412836A (en) | 1965-05-24 |
| SE322504B (en) | 1970-04-13 |
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