公开(公告)号：DE3874221D1

公开(公告)日：1992-10-08

申请号：DE3874221

申请日：1988-06-08

Applicant: BASF AG

Inventor： RIEKERT LOTHAR PROF DR ,  KOTTER MICHAEL ,  BECKER DIETER

IPC: B01J23/88 ,  B01J23/887 ,  B01J35/08 ,  B01J37/02

Abstract: In the prodn. of catalyst films, contg. Mo, Fe, Bi and opt. one of Co, Ni, Zn and Mg and one of D, B and As, on support particles, solns. or suspensions of the catalytically active components are sprayed onto the particles which travel in a rotary container through the spray zone at 100-200 deg.C and subsequent drying and calcining zones at 200-600 deg.C so that wetting, drying and calcining occur successively.