公开(公告)号：ZA200908645B

公开(公告)日：2011-02-23

申请号：ZA200908645

申请日：2009-12-07

Applicant: DOW CHEMICAL CO ,  BASF SE

Inventor： FORLIN ANNA ,  GOBBEL HANS-GEORG ,  WEIDENBACH MEINOLF ,  SCHULZ MALTE ,  TELES JOAQUIM HENRIQUE ,  RUDOLF PETER ,  BASSLER PETER ,  MULLER ULRICH

Abstract: The present invention relates to a continuous process for the preparation of an olefin oxide wherein an olefin is reacted with a hydroperoxidein the presence of a catalyst, and wherein the reaction which is carried out in at least three reactors operated in parallel is controlled by specifically adjusting the catalyst loads in the reactors.

公开(公告)号：ES2351815T3

公开(公告)日：2011-02-10

申请号：ES03789120

申请日：2003-12-03

Applicant: BASF SE

Inventor： RUPPEL WILHELM ,  SIEGEL WOLFGANG ,  NEGELE ANTON ,  VOGT VOLKER ,  ZEHNER PETER ,  ACHHAMMER GUNTHER ,  LUYKEN HERMANN ,  BASSLER PETER ,  MENIG HELMUTH

IPC: C01B3/02 ,  B01J12/00 ,  B01J15/00 ,  B01J19/02 ,  B01J19/24 ,  B01J23/86 ,  C01C3/02

Abstract: Procedimiento para la obtención de ácido cianhídrico (HCN) mediante deshidratación catalítica de formamida gaseosa en presencia de oxígeno ambiental en un reactor, que presenta una superficie de reactor interna constituida por un acero que contiene hierro, así como cromo y níquel, llevándose a cabo el procedimiento a una presión de 200 a 250 mbar, y no conteniendo el reactor elementos de inserción y/o catalizadores adicionales.

公开(公告)号：AT461740T

公开(公告)日：2010-04-15

申请号：AT03772249

申请日：2003-10-23

Applicant: BASF SE

Inventor： BASSLER PETER ,  GOEBBEL HANS-GEORG ,  TELES JOAQUIM-HENRIQUE ,  RUDOLF PETER

IPC: B01D53/14 ,  C07D301/12 ,  C07D301/32

公开(公告)号：DE50115253D1

公开(公告)日：2010-01-21

申请号：DE50115253

申请日：2001-04-30

Applicant: BASF SE

Inventor： BASSLER PETER ,  BAUMANN DIETER ,  FISCHER ROLF-HARTMUTH ,  FUCHS EBERHARD ,  MELDER JOHANN-PETER ,  OHLBACH FRANK

IPC: C07D201/08 ,  C07D223/10 ,  C07B61/00 ,  C07D201/16

Abstract: A process for the preparation of caprolactam is provided, whereina) a mixture (I) containing 6-aminocapronitrile and water is reacted in the liquid phase, in the presence of a catalyst, to give a mixture (II) containing caprolactam, ammonia, water, high-boiling components and low-boiling components,b) ammonia is then removed from the mixture (II) to give a mixture (III) containing caprolactam, water, high-boiling components and low-boiling components,c) water is then removed from the mixture (III) to give a mixture (IV) containing caprolactam, high-boiling components and low-boiling components, andd) a solid (V) containing caprolactam is then obtained from the mixture (IV) by crystallization, the proportion by weight of caprolactam in the solid (V) being greater than in the mixture (IV).

公开(公告)号：DE502005008533D1

公开(公告)日：2009-12-31

申请号：DE502005008533

申请日：2005-01-20

Applicant: BASF SE

Inventor： GOEBBEL HANS-GEORG ,  BASSLER PETER ,  TELES JOAQUIM HENRIQUE ,  RUDOLF PETER

IPC: B01J8/06 ,  B01J19/24 ,  F28D7/02 ,  F28F1/02 ,  F28F1/08

Abstract: Process and apparatus for the continuous preparation of a chemical compound in at least one reactor, where at least one of the reactors is a shell-and-tube reactor which has a shell and at least one internal tube located within the shell, wherein at least one of the internal tubes has, at least in part, a noncircular cross section and a helical configuration in the region in which it is surrounded by the shell.

公开(公告)号：ZA200806381B

公开(公告)日：2009-12-30

申请号：ZA200806381

申请日：2008-07-23

Applicant: DOW CHEMICAL CO ,  BASF SE

Inventor： GOEBBEL HANS-GEORG ,  BASSLER PETER ,  TELES JOAQUIM HENRIQUE ,  RUDOLF PETER ,  MUELLER ULRICH ,  FORLIN ANNA ,  SCHULZ MALTE ,  WEIDENBACH MEINOLF

IPC: C07C20100101 ,  C07D20100101

Abstract: The present invention provides a process for the epoxidation of propene which comprises reacting propene with hydrogen peroxide in the presence of methanol as solvent and a titanium zeolite catalyst, the process further comprising separating propylene oxide from the reaction mixture to obtain a mixture comprising methanol, water, at least one carboxylic acid and at least one carbonyl compound, wherein the at least one carboxylic acid is at least partially neutralized, said process optionally comprising a hydrogenation stage.

公开(公告)号：AT451353T

公开(公告)日：2009-12-15

申请号：AT01951465

申请日：2001-04-30

Applicant: BASF SE

Inventor： BASSLER PETER ,  BAUMANN DIETER ,  FISCHER ROLF-HARTMUTH ,  FUCHS EBERHARD ,  MELDER JOHANN-PETER ,  OHLBACH FRANK

IPC: C07D201/08 ,  C07D223/10 ,  C07B61/00 ,  C07D201/16

Abstract: A process for the preparation of caprolactam is provided, whereina) a mixture (I) containing 6-aminocapronitrile and water is reacted in the liquid phase, in the presence of a catalyst, to give a mixture (II) containing caprolactam, ammonia, water, high-boiling components and low-boiling components,b) ammonia is then removed from the mixture (II) to give a mixture (III) containing caprolactam, water, high-boiling components and low-boiling components,c) water is then removed from the mixture (III) to give a mixture (IV) containing caprolactam, high-boiling components and low-boiling components, andd) a solid (V) containing caprolactam is then obtained from the mixture (IV) by crystallization, the proportion by weight of caprolactam in the solid (V) being greater than in the mixture (IV).

公开(公告)号：AT402155T

公开(公告)日：2008-08-15

申请号：AT04727899

申请日：2004-04-16

Applicant: BASF SE

Inventor： GOEBBEL HANS-GEORG ,  BASSLER PETER ,  TELES JOAQUIM ,  RUDOLF PETER

IPC: C07D301/12 ,  C07D303/04

Abstract: Process for preparing propylene oxide, which comprises at least the steps (iii) and (iv) (iii) separating off propylene oxide from a mixture (M1) comprising propylene oxide and at least one solvent by distillation in a distillation column, giving a bottom stream and a vapor stream consisting essentially of propylene oxide; (iv) compressing the vapor stream obtained in (iii) by means of at least one compressor to give a compressed vapor.