公开(公告)号：MY123581A

公开(公告)日：2006-05-31

申请号：MYPI20012796

申请日：2001-06-14

Applicant: BASF AG

Inventor： DR ANDREAS TENTEN ,  DR OTTO MACHHAMMER ,  DR PETER ZEHNER ,  DR KLAUS HARTH ,  DR KLAUS JOACHIM MULLER-ENGEL ,  DR FRANK ROSOWSKI ,  DR GOETZ-PETER SCHINDLER ,  DR FRIEDER BORGMEIER

IPC: C07C5/333 ,  C07C27/14 ,  C07B61/00 ,  C07C11/06 ,  C07C45/33 ,  C07C45/35 ,  C07C47/22 ,  C07C51/215 ,  C07C51/25 ,  C07C57/04 ,  C07C57/05 ,  C07C57/07

Abstract: IN A PROCESS FOR THE PREPARATION OF ACROLEIN OR ACRYLIC ACID OR A MIXTURE THEREOF FROM PROPANE, THE PROPANE IS SUBJECTED, IN A FIRST REACTION STAGE, TO A PARTIAL DEHYDROGENATION UNDER HETEROGENEOUS CATALYSIS TO GIVE PROPANE, OF THE COMPONENTS CONTAINED IN THE PRODUCT GAS MIXTURE FORMED IN THE FIRST REACTION STAGE OTHER THAN PROPENE AND PROPANE AT LEAST A PORTION OF THE MOLECULAR HYDROGEN PRESENT IS THEN SEPARATED OFF ROM SAID MIXTURE AND THE PRODUCT GAS MIXTURE IS THEN USED FOR THE PREPARATION OF ACROLEIN AND/OR ACRYLIC ACID GAS-PHASE CATALYTIC PROPYLENE OXIDATION, MOLECULAR NITROGEN BEING PRESENT FOR DILUTING THE REACTION GAS MIXTURE DURING THE PROPYLENE OXIDATION.