公开(公告)号：MY145414A

公开(公告)日：2012-02-15

申请号：MYPI20090392

申请日：2007-07-25

Applicant: BASF SE

Inventor： MICHAEL BECKER ,  JOCHEM HENKELMANN ,  FELIX RITCHER ,  THOMAS SCHAFER

IPC: B01J23/46

Abstract: THE PRESENT INVENTION RELATES TO A METHOD OF REGENERATING A RUTHENIUM CATALYST FOR THE HYDROGENATION OF PHTHALATES, WHICH COMPRISES FLUSHING THE CATALYST WITH INERT GAS IN A REGENERATION STEP UNTIL THE ORIGINAL ACTIVITY OR PART OF THE ORIGINAL ACTIVITY HAS BEEN ATTAINED.

公开(公告)号：MY158588A

公开(公告)日：2016-10-31

申请号：MYPI20112711

申请日：2009-12-15

Applicant: BASF SE

Inventor： WALTER DISTELDORF ,  JARREN PETERS ,  THOMAS SCHAFER ,  KATRIN FRIESE ,  CHRISTOPH UBLER

IPC: C07C67/08

Abstract: THE INVENTION RELATES TO A METHOD FOR PRODUCING CARBOXYLIC ACID ESTERS BY CONVERTING A CARBOXYLIC ACID OR A CARBOXYLIC ACID ANHYDRIDE OR A MIXTURE THEREOF WITH AN ALCOHOL IN A REACTION SYSTEM COMPRISING ONE OR MORE REACTORS, WHEREIN REACTION WATER IS DISTILLED AS ALCOHOL-WATER-AZEOTROPE WITH THE VAPORS, THE VAPORS ARE AT LEAST PARTIALLY CONDENSED, THE CONDENSATE IS SEPARATED INTO AN AQUEOUS PHASE AND AN ORGANIC PHASE AND SAID ORGANIC PHASE IS SUPPLIED AT LEAST PARTIALLY BACK INTO SAID REACTION SYSTEM. COMPONENTS BOILING LOWER THAN THE ALCOHOL ARE AT LEAST PARTIALLY REMOVED FROM SAID RETURNED ORGANIC PHASE, SUCH AS WHEREIN COMPONENTS BOILING LOWER THAN ALCOHOL ARE EVAPORATED AND/OR DISTILLED OFF. AN ENRICHMENT IN THE REACTION SYSTEM OF BY-PRODUCTS BOILING LOWER THAN ALCOHOL IS AVOIDED. ALCOHOL LOSSES CAN BE MINIMIZED BY DISCHARGE CURRENTS.

公开(公告)号：MY157837A

公开(公告)日：2016-07-29

申请号：MYPI20112712

申请日：2009-12-15

Applicant: BASF SE

Inventor： JARREN PETERS ,  WALTER DISTELDORF ,  KATRIN FRIESE ,  THOMAS SCHAFER ,  OLIVER BEY

Abstract: THE INVENTION RELATES TO A METHOD FOR PRODUCING CARBOXYLIC ACID ESTERS BY REACTING A REACTION MIXTURE, COMPRISING A CARBOXYLIC ACID AND/OR A CARBOXYLIC ACID ANHYDRIDE, AND AN ALCOHOL IN A REACTION SYSTEM HAVING ONE OR MORE REACTORS, WHEREIN REACTION WATER IS DISTILLED OFF AS AN ALCOHOL-WATER AZEOTROPE WITH THE EXHAUST VAPOR. IN ADDITION, THE REACTION MIXTURE IS TREATED WITH SUPERHEATED ALCOHOL VAPOR. THE METHOD ALLOWS THE PRODUCTION OF ESTERS HAVING A LOW ACID NUMBER.