公开(公告)号：DE19628009A1

公开(公告)日：1998-01-15

申请号：DE19628009

申请日：1996-07-11

Applicant: BASF AG

Inventor： JAEGER MICHAEL ,  GRIMMER KARL ,  ROTTENSTEINER ALEXANDER ,  NITZSCHMANN ROBERT DR ,  PURUCKER BERNHARD DR

IPC: C05G1/00 ,  C05G1/06 ,  C05G3/00 ,  C05G5/00 ,  F28D9/00 ,  F28F3/14 ,  F28F3/00

Abstract: Aqueous salt solutions, especially acidic salt solutions, produced in the manufacture of mineral fertiliser granulates, are evaporated in a plate heat exchanger in which the solutions are heated by steam conducted in separate directions of flow.