公开(公告)号：ZA200301924B

公开(公告)日：2004-03-10

申请号：ZA200301924

申请日：2003-03-10

Applicant: BASF AG

Inventor： BASSLER PETER ,  HARDER WOLFGANG ,  MUELLER ULRICH ,  REHFINGER ALWIN ,  RIEBER NORBERT ,  RUDOLF PETER ,  HENRIQUE TELES JOAQUIM ,  WENZEL ANNE

IPC: B01J29/89 ,  B01J29/90 ,  C07D301/12 ,  B01J ,  C07D

Abstract: A process for regenerating a zeolite catalyst comprises thermal treatment of the catalyst at above 120° C. in the presence of a gas stream comprising hydrogen.

公开(公告)号：ZA200207787B

公开(公告)日：2004-03-10

申请号：ZA200207787

申请日：2002-09-27

Applicant: BASF AG

Inventor： BASSLER PETER ,  HARDER WOLFGANG ,  MUELLER ULRICH ,  REHFINGER ALWIN ,  RIEBER NORBERT ,  HENRIQUE TELES JOAQUIM ,  WALCH ANDREAS ,  WENZEL ANNE

IPC: B01J8/02 ,  B01J29/90 ,  C07D301/12 ,  C07D ,  B01J

Abstract: Continuous reaction of an organic compound with hydroperoxide using a catalyst comprises using at least two parallel reactors and a high stream flow. An independent claim is included for the apparatus used comprising at least two parallel isothermal fixed bed reactors, a separator(s) and an adiabatic fixed bed reactor(s).

公开(公告)号：ZA200300103B

公开(公告)日：2004-02-25

申请号：ZA200300103

申请日：2003-01-06

Applicant: BASF AG

Inventor： BASLER PETER ,  REHFINGER ALWIN ,  RIEBER NORBERT ,  RUDOLF PETER ,  HENRIQUE TELES JOAQUIM ,  WENZEL ANNE

IPC: C07D301/12 ,  C07D301/32 ,  C07D

公开(公告)号：AT257408T

公开(公告)日：2004-01-15

申请号：AT98932130

申请日：1998-06-05

Applicant: BASF AG

Inventor： GROSCH GEORG HEINRICH ,  MUELLER ULRICH ,  WALCH ANDREAS ,  RIEBER NORBERT ,  HARDER WOLFGANG

IPC: B01J29/90 ,  B01J38/12 ,  B01J38/20 ,  C07B41/00 ,  C07C29/48 ,  C07C45/27 ,  C07C51/265 ,  C07D301/12

Abstract: A process for regenerating a zeolite catalyst comprises the following stages: (I) Heating a partially or completely deactivated catalyst to 250-600° C. in an atmosphere which contains less than 2% by volume of oxygen, (II) treating the catalyst at from 250 to 800° C., preferably from 350 to 600° C., with a gas stream which contains from 0.1 to 4% by volume of an oxygen-donating substance or of oxygen or of a mixture of two or more thereof, and (III) treating the catalyst at from 250 to 800° C., preferably from 350 to 600° C., with a gas stream which contains from more than 4 to 100% by volume of an oxygen-donating substance or of oxygen or of a mixture of two or more thereof.

公开(公告)号：MX217674B

公开(公告)日：2003-11-19

申请号：MX9911267

申请日：1999-12-06

Applicant: BASF AG

Inventor： GROSCH GEORG HEINRICH ,  MUELLER ULRICH ,  WALCH ANDREAS ,  RIEBER NORBERT ,  HARDER WOLFGANG

IPC: B01J29/90 ,  B01J38/12 ,  B01J38/20 ,  C07B41/00 ,  C07C29/48 ,  C07C45/27 ,  C07C51/265 ,  C07D301/12

Abstract: A process for regenerating a zeolite catalyst comprises the following stages: (I) Heating a partially or completely deactivated catalyst to 250-600° C. in an atmosphere which contains less than 2% by volume of oxygen, (II) treating the catalyst at from 250 to 800° C., preferably from 350 to 600° C., with a gas stream which contains from 0.1 to 4% by volume of an oxygen-donating substance or of oxygen or of a mixture of two or more thereof, and (III) treating the catalyst at from 250 to 800° C., preferably from 350 to 600° C., with a gas stream which contains from more than 4 to 100% by volume of an oxygen-donating substance or of oxygen or of a mixture of two or more thereof.

公开(公告)号：NZ512976A

公开(公告)日：2003-06-30

申请号：NZ51297697

申请日：1997-08-06

Applicant: BASF AG

Inventor： RITTINGER STEFAN ,  RIEBER NORBERT ,  GOLD RANDALL EVAN ,  DRESSEL JUERGEN ,  ERHARDT KLAUS ,  LOCQUENGH KLAUS HORCHLER VON ,  LEIBOLD EDGAR ,  BARTH THOMAS

IPC: C05F3/00 ,  C05G3/00 ,  C05G3/90 ,  C05G5/00 ,  C07D231/12 ,  C07D231/16 ,  C07D321/12 ,  C07D521/00 ,  C05G3/08

Abstract: A pyrazole derivative is useful as a nitrification inhibitor is selected from: N-hydroxymethyl-4-chloro-3-methylpyrazole, N-hydroxymethyl-3,4-dimethyl pyrazole, Phosphoric acid addition salt of 3,4-dimethylpyrazole, Phosphoric acid addition salt of 4-chloro-3-methylpyrazole, and Hydrochloride of 3,4-dimethylpyrazole. An inorganic fertilizer comprising at least one pyrazole derivative is also described.

公开(公告)号：ZA200200922B

公开(公告)日：2003-04-30

申请号：ZA200200922

申请日：2002-02-01

Applicant: BASF AG

Inventor： BASSLER PETER ,  HARDER WOLFGANG ,  REHFINGER ALWIN ,  RIEBER NORBERT ,  HENRIQUE TELES JOAQUIM ,  WALCH ANDREAS ,  WENZEL ANNE

IPC: C07B61/00 ,  C07D301/12 ,  C07D303/04 ,  C07D

Abstract: In a process for reacting an organic compound with a hydroperoxide using at least one heterogeneous catalyst, both the pH and the temperate of the reaction medium are changed during the reaction

公开(公告)号：CA2421862A1

公开(公告)日：2003-03-10

申请号：CA2421862

申请日：2001-09-11

Applicant: BASF AG

Inventor： TELES JOAQUIM HENRIQUE ,  RIEBER NORBERT ,  WENZEL ANNE ,  HARDER WOLFGANG ,  RUDOLF PETER ,  MULLER ULRICH ,  BASSLER PETER ,  REHFINGER ALWIN

IPC: B01J29/89 ,  B01J29/90 ,  C07D301/12

Abstract: The invention relates to a method for regenerating a zeolite catalyst, comprising the thermal treatment of the catalyst in the presence of a gas stream at temperatures above 120 ~C, said gas stream containing hydrogen. Th e regenerated zeolite catalyst can be used in an integrated method for oxidisi ng an alkene using a hydroperoxide.

公开(公告)号：DE59803203D1

公开(公告)日：2002-04-04

申请号：DE59803203

申请日：1998-06-05

Applicant: BASF AG

Inventor： GROSCH HEINRICH ,  MUELLER ULRICH ,  WALCH ANDREAS ,  RIEBER NORBERT ,  HARDER WOLFGANG

IPC: B01J29/04 ,  B01J29/89 ,  B01J37/00 ,  C01B39/00 ,  C04B38/08 ,  C07D301/12

Abstract: A process for the production of a molding containing at least one zeolite, wherein the at least one zeolite contains a titanium-, zirconium-, chromium-, niobium-, iron- or vanadium-containing zeolite:(I) adding a mixture consisting of at least one alcohol selected from the group consisting of methanol, ethanol, propanol or butanol, and water to a mixture containing said zeolite or a mixture of two or more thereof, and(II) kneading, molding, drying and calcining the mixture from (I);wherein the molding is useful as a catalyst, particularly in epoxidation reactions.

公开(公告)号：DE10032885A1

公开(公告)日：2002-01-17

申请号：DE10032885

申请日：2000-07-06

Applicant: BASF AG

Inventor： TELES JOAQUIM HENRIQUE ,  REHFINGER ALWIN ,  BASLER PETER ,  WENZEL ANNE ,  RIEBER NORBERT ,  RUDOLF PETER

IPC: C07D301/12 ,  C07D301/32 ,  C07D303/04

Abstract: The invention relates to a method for the production of propylene oxide in the presence of methanol, during which propylene oxide is separated off from a mixture, comprising propylene oxide and methanol and the resulting mixture comprising methanol is worked up. The invention is characterised in that on working up, methanol is separated from a mixture containing methanol and methyl formate.