GB642961A - Process for the manufacture of olefine oxides - Google Patents
Process for the manufacture of olefine oxidesInfo
- Publication number
- GB642961A GB642961A GB28778/47A GB2877847A GB642961A GB 642961 A GB642961 A GB 642961A GB 28778/47 A GB28778/47 A GB 28778/47A GB 2877847 A GB2877847 A GB 2877847A GB 642961 A GB642961 A GB 642961A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silver
- olefine
- oxygen
- prepared
- oxides
- 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
-
- 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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/48—Silver or gold
- B01J23/50—Silver
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Epoxy Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Olefine oxides, e.g. ethylene oxide, are prepared by passing a gaseous mixture of the olefine and a free oxygen containing gas, e.g. oxygen or air, over a supported silver-silver oxide catalyst (see Group III) at 200-300 DEG C., the amount of olefine employed being less than the stoichiometric quantity necessary to combine with the oxygen to form the oxide.ALSO:A silver-silver oxide catalyst for the production of olefine oxides from olefines and oxygen (see Group IV (b)) is prepared by impregnating a porous carrier, e.g. alumina or silicon carbide, with an aqueous solution of a silver salt of an organic acid, e.g. silver lactate, held at 100-125 DEG C. and containing an oxidizing agent, e.g. hydrogen peroxide, whose decomposition products are completely volatile below 300 DEG C., removing surplus liquid, drying and heating the impregnated carrier at 300-500 DEG C. in a stream of an inert gas, e.g. nitrogen, for several hours to decompose the silver salt.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US642961XA | 1947-07-30 | 1947-07-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB642961A true GB642961A (en) | 1950-09-13 |
Family
ID=22054947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB28778/47A Expired GB642961A (en) | 1947-07-30 | 1947-10-28 | Process for the manufacture of olefine oxides |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB642961A (en) |
-
1947
- 1947-10-28 GB GB28778/47A patent/GB642961A/en not_active Expired
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