公开(公告)号：MY136283A

公开(公告)日：2008-09-30

申请号：MYPI20033890

申请日：2003-10-13

Applicant: BASF AG

Inventor： PASTRE J XD RG DR ,  EXNER KAI MICHAEL DR ,  STUER WOLFRAM DR ,  XDFLER ELKE GEI ,  MACHHAMMER OTTO DR

IPC: C07C51/09 ,  C07C51/54 ,  C07C51/56

Abstract: PROCESS FOR THE JOINT PREPARATION OF @(I) FORMIC ACID (III);(II) A CARBOXYLIC ACID HAVING AT LEAST TWO CARBON ATOMS (II) AND/OR DERIVATIVES THEREOF; AND (III) A CARBOXYLIC ANHYDRIDE (VII),WHICH COMPRISES (A) TRANSESTERIFYING A FORMIC ESTER (I) WITH A CARBOXYLIC ACID HAVING AT LEAST TWO CARBON ATOMS (II) TO FORM FORMIC ACID (III) AND THE CORRESPONDING CARBOXYLIC ESTER (IV);(B) CARBONYLATING AT LEAST PART OF THE CARBOXYLIC ESTER (IV) FORMED IN STEP (A) TO FORM THE CORRESPONDING CARBOXYLIC ANHYDRIDE (V); AND(C) TRANSANHYDRIDING AT LEAST PART OF THE CARBOXYLIC ANHYDRIDE (V) FORMED IN STEP (B) WITH A CARBOXYLIC ACID (VI) TO FORM A CARBOXYLIC ANHYDRIDE (VII) AND THE CARBOXYLIC ACID (II).

公开(公告)号：MY119537A

公开(公告)日：2005-06-30

申请号：MYPI9901162

申请日：1999-03-26

Applicant: BASF AG

Inventor： NESTLER GERHARD ,  SCHROEDER JUERGEN ,  MACHHAMMER OTTO DR

IPC: C07C51/21 ,  C07C51/25 ,  C07C51/44 ,  C07C57/05 ,  C07C57/07 ,  C07C67/08 ,  C07C69/54

Abstract: A PROCESS FOR PREPARING ACRYLIC ACID AND/OR ACRYLATES WHICH COMPRISES THE FOLLOWING STAGE A AND AND, IF DESIRED, B AND C:A: COOLING A GASEOUS REACTION MIXTURE WHICH COMPRISES ACRYLIC ACID AND IS OBTAINED IN THE GAS-PHASE OXIDATION TO PREPARE ACRYLIC ACID, USING OLIGOMERIC ACRYLIC ACID OR A MIXTURE OF ACRYLIC ACID AND OLIGOMERIC ACRYLIC ACID, TO GIVE A GASEOUS MIXTURE COMPRISING ACRYLIC ACID AND A QUENCH BOTTOM PRODUCT WHICH COMPRISES OLIGOMERIC ACRYLIC ACID;B: SEPARATING THE GASEOUS MIXTURE COMPRISING ACRYLIC ACID, TO GIVE A LOW-BOILING FRACTION, A CRUDE ACRYLIC ACID, AND A BOTTOM PRODUCT, WHICH COMPRISES OLIGOMERIC ACRYLIC ACID; C: ESTERIFYING THE CRUDE ACRYLIC ACID OBTAINED IN STAGE B MY MEANS OF ONE OR MORE ALKANOLS.

公开(公告)号：ID18425A

公开(公告)日：1998-04-09

申请号：ID972394

申请日：1997-07-10

Applicant: BASF AG

Inventor： MACHHAMMER OTTO DR ,  NESTLER GERHARD DR

IPC: C07C57/05 ,  C07C51/44 ,  C07C51/48 ,  C07C57/07

Abstract: A method of preparing acrylic acid or methacrylic acid comprises the following steps: (a) preparation of a gaseous reaction mixture which contains acrylic acid or methacrylic acid, essentially having the composition of a reaction mixture of catalytic gas-phase oxidation of C3/C4 alkanes, alkenes, alkanols and/or alkanals and/or precursors thereof to form acrylic acid or methacrylic acid, (b) absorption of the reaction product with a solvent mixture consisting of at least one lactame dissolved in at least one polar organic solvent, and (c) distillation of the reaction product-bearing solvent mixture to obtain a crude acrylic acid or crude methacrylic acid and the solvent mixture.

公开(公告)号：DE19525505A1

公开(公告)日：1997-01-16

申请号：DE19525505

申请日：1995-07-13

Applicant: BASF AG

Inventor： HEFNER WERNER DR ,  MACHHAMMER OTTO DR ,  NEUMANN HANS-PETER DR ,  TENTEN ANDREAS DR ,  RUPPEL WILHELM DR ,  VOGEL HERBERT DR

IPC: C07C45/35 ,  C07C51/235 ,  C07C51/25 ,  C07C51/265 ,  C07D301/08 ,  C07B35/04 ,  C07C5/35 ,  C07C11/24 ,  C07C47/22 ,  C07C57/05 ,  C07D303/04

Abstract: Continuous gas phase partial oxidn. of an organic cpd. (I) with heterogeneous catalyst in an oxidn. reactor uses a charge gas mixt. contg. (I) O2 and an inert diluent gas (II), which consists partly of combustible gases (IIA). The novelty is that the (IIA) fraction of (II) in the prod. gas stream leaving the oxidn. reactor is not recycled to partial oxidn. but used in another chemical reaction.

公开(公告)号：MY147177A

公开(公告)日：2012-11-14

申请号：MYPI20056086

申请日：2005-12-21

Applicant: BASF AG

Inventor： CRONE SVEN DR ,  MACHHAMMER OTTO DR ,  SCHINDLER GOETZ-PETER DR

IPC: C07C5/333

Abstract: THE INVENTION RELATES TO A PROCESS FOR PREPARING PROPENE FROM PROPANE, COMPRISING THE STEPS: A) A FEED GAS STREAM A COMPRISING PROPANE IS PROVIDED; B) THE FEED GAS STREAM A COMPRISING PROPANE AND AN OXYGENOUS GAS STREAM ARE FED INTO A DEHYDROGENATION ZONE AND PROPANE IS SUBJECTED TO A NONOXIDATIVE CATALYTIC, AUTOTHERMAL DEHYDROGENATION TO PROPENE TO OBTAIN A PRODUCT GAS STREAM B COMPRISING PROPANE, PROPENE, METHANE, ETHANE, ETHENE, NITROGEN, CARBON MONOXIDE, CARBON DIOXIDE, STEAM AND HYDROGEN; C) PRODUCT GAS STREAM B IS COOLED AND STEAM IS REMOVED BY CONDENSATION TO OBTAIN A STEAM-DEPLETED PRODUCT GAS STREAM C; D) UNCONDENSABLE OR LOW-BOILING GAS CONSTITUENTS ARE REMOVED BY CONTACTING PRODUCT GAS STREAM C WITH AN INERT ABSORBENT AND SUBSEQUENTLY DESORBING THE GASES DISSOLVED IN THE INERT ABSORBENT TO OBTAIN A C3 HYDROCARBON STREAM D1 AND AN OFFGAS STREAM D2 COMPRISING METHANE, ETHANE, ETHENE, NITROGEN, CARBON MONOXIDE, CARBON DIOXIDE AND HYDROGEN; E) THE C3 HYDROCARBON STREAM D1 IS COOLED AND COMPRESSED TO OBTAIN A LIQUID C3 HYDROCARBON STREAM E1; F) THE LIQUID C3- HYDROCARBON STREAM E1 IS FED INTO A FIRST DISTILLATION ZONE AND SEPARATED DISTILLATIVELY INTO A STREAM F1 COMPOSED OF PROPANE AND PROPENE AND A STREAM F2 COMPRISING ETHANE AND ETHENE; G) STREAM F1 IS FED INTO A (SECOND) DISTILLATION ZONE AND SEPARATED DISTILLATIVELY INTO A PRODUCT STREAM G1 COMPOSED OF PROPENE AND A STREAM G2 COMPOSED OF PROPANE, AND STREAM G2 IS RECYCLED AT LEAST PARTLY INTO THE DEHYDROGENATION ZONE.

公开(公告)号：MY140509A

公开(公告)日：2009-12-31

申请号：MYPI20041245

申请日：2004-04-05

Applicant: BASF AG

Inventor： MACHHAMMER OTTO DR ,  CRONE SVEN DR ,  BORGMEIER FRIEDER DR ,  MUELLER-ENGEL KLAUS JOACHIM DR ,  ADAMI CHRISTOPH DR ,  DIEFENBACHER ARMIN DR

IPC: C07C57/05 ,  C07C51/215

Abstract: A PROCESS FOR HETEROGENEOUSLY CATALYZED PARTIAL DIRECT OXIDATION OF PROPANE AND/OR ISOBUTANE, IN WHICH TARGET PRODUCT IS REMOVED STAGE, THE REMAINING RESIDUAL PRODUCT GAS MIXTURE IS DIVIDED INTO TWO PORTIONS OF THE SAME COMPOSITION, ONE PORTION IS RECYCLED INTO THE REACTION STAGE AND THE OTHER PORTION IS DISCHARGED, AND BOTH THE REACTION STAGE AND THE WORKUP STAGE ARE OPERATED AT ELEVATED PRESSURE.

公开(公告)号：MY139227A

公开(公告)日：2009-08-28

申请号：MYPI20030701

申请日：2003-02-27

Applicant: BASF AG

Inventor： MACHHAMMER OTTO DR ,  SCHINDLER GOETZ-PETER DR ,  HARTH KLAUS DR ,  ZEHNER PETER DR

IPC: B01J23/62 ,  C07C5/327 ,  B01J8/02 ,  B01J19/26 ,  B01J27/199 ,  C07B61/00 ,  C07C5/333 ,  C07C11/06 ,  C07C11/08 ,  C07C11/09 ,  C07C45/33 ,  C07C45/35

Abstract: A PROCESS FOR THE CONTINUOUS HETEROGENEOUSLY CATALYZED PARTIAL DEHYDROGENATION OF A HYDROCARBON IN THE GAS PHASE AND IN THE PRESENCE OF MOLECULAR OXYGEN, IN WHICH PART OF THE PRODUCT GAS (5) IS RECIRCULATED TO THE REACTION ZONE, AND A REACTOR FOR CARRYING OUT SUCH A PROCESS. (FIGURE 2)

公开(公告)号：MY133225A

公开(公告)日：2007-10-31

申请号：MYPI9903529

申请日：1999-08-17

Applicant: BASF AG

Inventor： MACHHAMMER OTTO DR ,  TENTEN ANDREAS DR ,  JACHOW HARALD DR ,  HAUPT SUSANNE DR ,  ARNOLD HEIKO DR ,  UNVERRICHT SIGNE DR

IPC: C07C27/12 ,  C07C51/16 ,  C07B61/00 ,  C07C5/48 ,  C07C11/06 ,  C07C45/28 ,  C07C45/33 ,  C07C45/35 ,  C07C47/22 ,  C07C51/215 ,  C07C51/25 ,  C07C51/42 ,  C07C57/05 ,  C07C57/055

Abstract: IN A PROCESS FOR THE PREPARATION OF ACROLEIN AND/OR ACRYLIC ACID FROM PROPANE, THE PROPANE IS SUBJECTED, IN A FIRST REACTION STAGE, TO A PARTIAL OXYDEHYDROGENATION WITH MOLECULAR OXYGEN UNDER HOMOGENEOUS AND/OR HETEROGENEOUS CATALYSIS TO GIVE PROPANE AND THE PRODUCT GAS MIXTURE FORMED IN THE FIRST REACTION STAGE IS THEN USED FOR THE PREPARATION OF ACROLEIN AND/OR ACRYLIC ACID BY GAS-PHASE CATALYTIC PROPANE OXIDATION.

公开(公告)号：MY128587A

公开(公告)日：2007-02-28

申请号：MYPI20014231

申请日：2001-09-08

Applicant: BASF AG

Inventor： SCHINDLER GOETZ-PETER DR ,  MACHHAMMER OTTO DR ,  HARTH KLAUS DR ,  MUELLER-ENGEL KLAUS JOACHIM DR ,  ZEHNER PETER DR

IPC: B01J21/10 ,  C07C5/333 ,  B01J23/58 ,  B01J23/62 ,  B01J23/63 ,  B01J23/96 ,  B01J38/14 ,  C07B61/00 ,  C07C5/32 ,  C07C11/06

Abstract: IN A PROCESS FOR THE HETEROGENEOUSLY CATALYZED DEHYDROGENATION IN ONE OR MORE REACTION ZONES OF ONE OR MORE DEHYDROGENATABLE CRC JOHYDROCARBONS IN A REACTION GAS MIXTURE COMPRISING THEM, WITH AT LEAST PART OF THE HEAT OF DEHYDROGENATION REQUIRED BEING GENERATED DIRECTLY IN THE REACTION GAS MIXTURE IN AT LEAST ONE REACTION ZONE BY COMBUSTION OF HYDROGEN, THE HYDROCARBON OR HYDROCARBONS AND/OR CARBON IN THE PRESENCE OF AN OXYGEN-CONTAINING GAS, THE REACTION GAS MIXTURE COMPRISING THE DEHYDROGENATABLE HYDROCARBON OR HYDROCARBONS IS BROUGHT INTO CONTACT WITH A LEWIS-ACID DEHYDROGENATION CATALYST WHICH HAS ESSENTIALLY NO I3RONSTED ACIDITY.

公开(公告)号：DE59600215D1

公开(公告)日：1998-07-02

申请号：DE59600215

申请日：1996-03-01

Applicant: BASF AG

Inventor： HEFNER WERNER DR ,  MACHHAMMER OTTO DR ,  NEUMANN HANS-PETER DR ,  TENTEN ANDREAS DR ,  RUPPEL WILHELM DR ,  VOGEL HERBERT DR

IPC: C07B35/04 ,  C07B41/06 ,  C07B41/08 ,  C07C27/00 ,  C07C45/32 ,  C07C45/35 ,  C07C47/22 ,  C07C51/235 ,  C07C51/25 ,  C07C51/265 ,  C07C57/05 ,  C07D301/08

Abstract: Continuous gas phase partial oxidn. of an organic cpd. (I) with heterogeneous catalyst in an oxidn. reactor uses a charge gas mixt. contg. (I) O2 and an inert diluent gas (II), which consists partly of combustible gases (IIA). The novelty is that the (IIA) fraction of (II) in the prod. gas stream leaving the oxidn. reactor is not recycled to partial oxidn. but used in another chemical reaction.