公开(公告)号：DE59905922D1

公开(公告)日：2003-07-17

申请号：DE59905922

申请日：1999-12-03

Applicant: BASF AG

Inventor： VANSANT DR ,  DE HERT JOZEF ,  KOEFFER DR ,  THEIS DR ,  TERJUNG WINFRIED

IPC: B01D1/22 ,  C07C29/10 ,  C07C29/76 ,  C07C29/80 ,  C07C31/20

Abstract: This invention relates to a process for preparing and isolating glycols and to a thin-film evaporator which is used in carrying out the process.

公开(公告)号：DE59912551D1

公开(公告)日：2005-10-20

申请号：DE59912551

申请日：1999-12-03

Applicant: BASF AG

Inventor： VANSANT DR ,  DE HERT JOZEF ,  KOEFFER DR ,  THEIS DR ,  TERJUNG WINFRIED

IPC: B01D1/22 ,  B08B3/08 ,  B08B9/08 ,  B01D3/00 ,  B08B9/093

Abstract: The rinsing apparatus for removing residue from the sump run-off of an evaporator comprises (a) a run-off container (7), (b) a collector container (8), (c) a run-off valve (10), (d) a rinsing water valve (11), (e) run-off container valve (12), (f) rinsing run-off valve (13), (g) vent valve (14), (h) a delivery pipe (17) from the sump to the run-off valve (10), (i) a inlet pipe (3) for the rinsing agent, (j) a run-off pipe device (6,16) and a connector to the devices (a) to (j). An Independent claim is included for the use of a rinsing apparatus.