公开(公告)号：MY127153A

公开(公告)日：2006-11-30

申请号：MYPI20010089

申请日：2001-01-10

Applicant: BASF AG

Inventor： DR OTTO MACHHAMMER ,  DR PETER ZEHNER ,  DR UWE STABEL ,  DR CLAUS HECHLER ,  ALEXANDER WECK ,  GERHARD OLBERT

IPC: C07D307/60 ,  F28F3/00 ,  B01J8/02 ,  B01J19/24 ,  B01J35/04 ,  C07C51/215 ,  C07C57/145

Abstract: A PROCESS FOR THE PREPARATION OF MALEIC ANHYDRIDE BY HETEROGENEOUSLY CATALYZED GASPHASE OXIDATION IN A REACTOR WITH FEED FOR THE REACTION MIXTURE (1) AT ONE END OF THE REACTOR AND DISCHARGE OF THE PRODUCT MIXTURE (2) AT THE OPPOSITE END OF THE REACTOR, AND WITH DEVICES FOR DISSIPATING THE HEAT OF REACTION WHICH ARE ARRANGED IN THE REACTOR INTERIOR AND THROUGH WHICH A HEATEXCHANGE MEDIUM FLOWS AND WHICH ARE DESIGNED AS HEAT-EXCHANGER PLATES (8).(FIG 1,1A)

公开(公告)号：MY126767A

公开(公告)日：2006-10-31

申请号：MYPI20003494

申请日：2000-07-31

Applicant: BASF AG

Inventor： DR KLAUS HARTH ,  DR DANIEL HEINEKE ,  DR UWE STABEL

IPC: B01J23/02 ,  B01J21/06 ,  B01J23/04 ,  B01J23/08 ,  B01J23/70 ,  B01J35/10 ,  B01J37/00 ,  C07C5/32

Abstract: CATALYST HAVING A BIMODAL PORE RADIUS DISTRIBUTION COMPRISE:A) FROM 10 TO 99.9% BY WEIGHT OF ZIRCONIUM DIOXIDE AND B) FROM 0 TO 60% BY WEIGHT OF ALUMINIUM OXIDE , SILICON DIOXIDE AND/OR TITANIUM DIOXIDE AND C) FROM 0.1 TO 10% BY WEIGHT OF AT LEAST ONE ELEMENT OF MAIN GROUP I OR II, AN ELEMENT OF TRANSITION GROUP III, AN ELEMENT OF TRANSITION GROUP V111, OF THE PERIODIC TABLE OF THE ELEMENTS, LANTHANUM AND/OR TIN,WITH THE PROVISO THAT THE SUM OF THE PERCENTAGES BY WEIGHT IS 100.