公开(公告)号：DK141547B

公开(公告)日：1980-04-21

申请号：DK526671

申请日：1971-10-28

Applicant: HOECHST AG

Inventor： OHORODNIK ,  SENNEWALD K ,  HUNDECK J ,  STUTZKE P

IPC: B01J8/00 ,  B01J8/18 ,  B01J8/22 ,  C07C51/377

Abstract: 1363245 Liquid phase catalytic process, separating solids from liquid KNAPSACK AG 4 Oct 1971 [29 Oct 1970] 46060/71 Headings B1D and B1F In catalyst/liquid separator 7, liquid product is drawn off through valve 11 at a rate such that the upward rate of flow of liquid in separator 7 is less than the rate of sedimentation of catalyst in the separator. Circulation of reaction mixture is effected by the gas-lift effect of gas from line 9 and pump 3. The hydrogenative dehalogenation of dichloracetic acid to produce monochloracetic acid is described using a palladium catalyst on a silica carrier.