公开(公告)号：DE3346719A1

公开(公告)日：1985-07-04

申请号：DE3346719

申请日：1983-12-23

Applicant: BASF AG

Inventor： DRESSEL MANFRED ,  EBERLE HEINRICH ,  RIPPERGER WILLI DR ,  RUEHENBECK WOLFGANG DR ,  ZWICK WERNER

IPC: C01B21/12 ,  C01C1/00

Abstract: In the preparation of ammonium carbamate by reacting ammonia with carbon dioxide, the reactants are introduced into a layer of ammonium carbamate which is kept in the fluidized state by gaseous ammonia or carbon dioxide. The temperature is kept below 25 DEG C. by removing the heat of reaction.

公开(公告)号：DE3415140A1

公开(公告)日：1985-10-31

申请号：DE3415140

申请日：1984-04-21

Applicant: BASF AG

Inventor： DRESSEL MANFRED ,  EBERLE HEINRICH ,  RIPPERGER WILLI DR ,  RUEHENBECK WOLFGANG DR ,  ZWICK WERNER

IPC: C01C1/26

Abstract: Ammonium bicarbonate is produced by reacting the reaction components ammonia, water and carbon dioxide in a fluidised bed of ammonium bicarbonate. The temperature in the fluidised bed is kept below 35 DEG C by removing heat.