公开(公告)号：MY124916A

公开(公告)日：2006-07-31

申请号：MYPI20000176

申请日：2000-01-19

Applicant: BASF AG

Inventor： DR KARSTEN ELLER ,  DR MICHAEL HESSE ,  DR VOLKMAR MENGER ,  DR ANTON MEIER

IPC: B01J38/06 ,  B01J21/20 ,  B01J29/90 ,  C08G65/20 ,  C08G65/26

Abstract: A PROCESS FOR WORKING UP AT LEAST PARTIALLY DEACTIVATED POLYMERIZATION CATALYSTS FOR THE POLYMERIZATION OR COPOLYMERIZATION OF TI-IF WHICH ARE CONTAMINATED WITH THE PRODUCTS OF THE POLYMERIZATION OR COPOLYMERIZATION OF THE COMPRISES (A) IN A FIRST STEP, CLEANING THE POLYMERIZATION CATALYST BY TREATMENT WITH STEAM AT FROM 80 TO 2500 C. AND APRESSUREOFFRORN 0.5 X I05 PA TO 40 X JO PA (0.5 TO 40 BAR) AND, PREFERABLY, (B) IN A SECOND STEP, REGENERATING THE CLEAN POLYMERIZATION CATALYST.