MY108796A - Vinyl acetate catalyst preparation method. - Google Patents
Vinyl acetate catalyst preparation method.Info
- Publication number
- MY108796A MY108796A MYPI93002106A MYPI19932106A MY108796A MY 108796 A MY108796 A MY 108796A MY PI93002106 A MYPI93002106 A MY PI93002106A MY PI19932106 A MYPI19932106 A MY PI19932106A MY 108796 A MY108796 A MY 108796A
- Authority
- MY
- Malaysia
- Prior art keywords
- support
- vinyl acetate
- gold
- palladium
- insoluble compounds
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Abstract
A METHOD OF PREPARING A CATALYST PARTICULARLY USEFUL IN THE REACTION OF ETHYLENE, OXYGEN AND ACETIC ACID IN THE VAPOR PHASE TO FORM VINYL ACETATE COMPRISES IMPREGNATING A POROUS SUPPORT WITH WATER SOLUBLE SALTS OF PALLADIUM AND GOLD, FIXING THE PALLADIUM AND GOLD ON THE SUPPORT AS WATER INSOLUBLE COMPOUNDS BY CONTACTING THE SALT-IMPREGNATED SUPPORT WITH A REACTIVE SOLUTION IN TWO SEPARATE FIXING STAGES WHEREIN THE TREATED SUPPORT IS DRIED AND ALLOWED TO STAND PRIOR TO TREATMENT IN THE SECOND STAGE TO PRECIPITATE THE INSOLUBLE COMPOUNDS ON THE SUPPORT AND REDUCING THE INSOLUBLE COMPOUNDS TO FREE PALLADIUM AND GOLD. THE CATALYSTS PREPARED IN THIS MANNER HAVE BEEN SHOWN TO PROVIDE IMPROVEMENT WITH RESPECT TO REDUCED SELECTIVITY TO CO2 DURING THE VINYL ACETATE FORMING REACTION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP96173995 | 1992-10-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
MY108796A true MY108796A (en) | 1996-11-30 |
Family
ID=80053698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MYPI93002106A MY108796A (en) | 1992-10-14 | 1993-10-13 | Vinyl acetate catalyst preparation method. |
Country Status (1)
Country | Link |
---|---|
MY (1) | MY108796A (en) |
-
1993
- 1993-10-13 MY MYPI93002106A patent/MY108796A/en unknown
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