公开(公告)号：US3562185A

公开(公告)日：1971-02-09

申请号：US3562185D

申请日：1967-12-27

Applicant: BASF AG

Inventor： FRIEDRICHSEN WIIHELM ,  POEHLER GUENTER ,  GOEHRE OTTO

IPC: B01J21/06 ,  B01J23/22 ,  B01J27/188 ,  B01J33/00 ,  B01J37/02 ,  C07C51/265 ,  B01J11/06 ,  B01J11/32

CPC classification number: B01J37/0215 ,  B01J21/06 ,  B01J21/063 ,  B01J23/22 ,  B01J27/188 ,  B01J33/00 ,  C07C51/265 ,  C07C63/16

Abstract: CATALYSTS CONTAINING VANADIUM PENTOXIDE AND TITANIUM DIOXIDE FOR THE OXIDATION OF AROMATIC AND UNSATURATED HYDROCARBONS TO CARBOXYLIC ACIDS, CONSISTING OF AN INERT NON-POROUS CARRIE WHICH IS COATED WITH A POROUS COMPOSITION CONTAINING 1 TO 15% BY WEIGHT OF VANADIUM PENTOXIDE AND 85 TO 99% BY WEIGHT OF TITANIUM DIOXIDE IN A LAYER HAVING A THICKNESS OF 0.02 TO 2 MM., PARTICULARLY 0.05 TO 1 MM., THE CATALYSTS HAVING A CONTENT OF VANADIUM PENTOXIDE OF 0.05 TO 3% BY WEIGHT AND THE COMPOSITION CONTAINING VANADIUM PENTOXIDE AND TITANIUM DIOXIDE HAVING BEEN APPLIED IN DISSOLVED OR SUSPENDED FORM TO A CARRIER WHICH HAS BEEN HEATED TO A TEMPERATURE OF 160* TO 500*C., PARTICULARLY 270* TO 500*C.