Carrier catalyst for the preparation of vinyl acetate from...

Details Carrier catalyst for the preparation of vinyl acetate from... Carrier catalyst for the preparation of vinyl acetate from...

B - Operations, Transporting

01

J

252/53.C

B01J 23/06 (2006.01) B01J 23/44 (2006.01) B01J 23/60 (2006.01) B01J 35/02 (2006.01) B01J 23/58 (2006.01)

Patent

CA 1122959

HOE 78/F 050 CARRIER CATALYST FOR THE PREPARATION OF VINYL ACETATE FROM ETHYLENE, ACETIC ACID AND OXYGEN IN THE GASEOUS PHASE HOE 78/F 050 Abstract of the disclosure: The carriers contain common active components, namely noble metals of the 8th sub-group or compounds thereof, and as activators alkali metal compounds, alkaline earth metal compounds or cadmium compounds. The carriers, too, consist of common materials, such as silicic acid. A novel feature is to be seen in the shape of the carrier particles which are designed as rod sections having a star-shaped cross section (Figures 1 to 7) or as ribbed rods (Figure 8). In relation to the apparent density and thus in relation to the amount of noble metal employed, a considerably higher space-time yield is reached than with carrier par- ticles of a conventional shape.

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