公开(公告)号：BR0109070A

公开(公告)日：2003-06-03

申请号：BR0109070

申请日：2001-03-06

Applicant: BASF AG

Inventor： WEIGUNY JENS ,  STORCK SEBASTIAN ,  TENTEN ANDREAS ,  RUPPEL WILHELM

IPC: C07D307/60 ,  B01J27/28 ,  B01J38/04 ,  C07B61/00 ,  C07C51/215

Abstract: In a process for preparing maleic anhydride by heterogeneously catalyzed gas-phase oxidation of hydrocarbons having at least four carbon atoms using oxygen-containing gases in the presence of a volatile phosphorus compound over a catalyst comprising vanadium, phosphorus and oxygen in a shell-and-tube reactor unit having at least two successive cooled reaction zones, the temperature of the first reaction zone is from 350 to 450° C. and the temperature of the second and further reaction zones is from 350 to 480° C. and the temperature difference between the hottest reaction zone and the coolest reaction zone is at least 2° C.

公开(公告)号：DE10117996A1

公开(公告)日：2002-10-17

申请号：DE10117996

申请日：2001-04-10

Applicant: BASF AG

Inventor： WALSDORFF CHRISTIAN ,  BAIER MICHAEL ,  KOERNER REINHARD ,  HARTH KLAUS ,  VORBERG GERALD ,  RUPPEL WILHELM

IPC: B01J23/745 ,  B01J23/78 ,  B01J35/02 ,  B01J37/08 ,  C01G49/02 ,  C01G49/06 ,  C07C5/333 ,  C07C15/46

Abstract: A method for refining iron oxide that comprises calcining the iron oxide at 700-1200 deg C, is new. Independent claims are included for: (a) iron oxide obtained by the process, containing less than 400 ppm residual chloride; (b) a catalyst prepared using iron oxide refined by calcination; and (c) the dehydration of ethylbenzene to styrene at 450-700 deg C and 0.1-5 bar, using a catalyst as in prepared in (b).

公开(公告)号：DE59705306D1

公开(公告)日：2001-12-13

申请号：DE59705306

申请日：1997-12-09

Applicant: BASF AG

Inventor： FETZER THOMAS ,  DEMUTH DIRK ,  RUETTER HEINZ ,  MENIG HELMUTH ,  RESCH PETER ,  RUPPEL WILHELM ,  WACHE HARRO

IPC: B01J23/72 ,  C07C45/38 ,  C07C45/39 ,  C07C47/127

Abstract: PCT No. PCT/EP97/06856 Sec. 371 Date Jun. 16, 1999 Sec. 102(e) Date Jun. 16, 1999 PCT Filed Dec. 23, 1997 PCT Pub. No. WO98/28251 PCT Pub. Date Jul. 2, 1998In a process for preparing carbonyl compounds of the formula where R1 is a hydrogen atom or an alkyl radical having from 1 to 3 carbon atoms, R2 is a hydrogen atom or a radical of the formula where R3 is a hydrogen atom or together with R4 is an oxygen atom, R4 is the radical OR6 or together with R3 is an oxygen atom, R5 is a hydrogen atom, an alkyl radical having from 1 to 8 carbon atoms or a cyclohexyl or cyclopentyl radical and R6 is an alkyl radical having from 1 to 4 carbon atoms, a cyclohexyl or cyclopentyl radical or a radical of the formula -CH2-CHO or -CH2-CH2-O-CH2-CHO, by gas-phase oxidation of methanol or alcohols of the formula where R1 and R5 are as defined above and R7 is a hydrogen atom or a radical OR8 and R8 is a hydrogen atom, an alkyl radical having from 1 to 4 carbon atoms, a cyclohexyl or cyclopentyl radical or a radical for the formula -CH2-CH2-OH or -CH2-CH2-O-CH2-CH2-OH, using an oxygen-containing gas in the presence of copper- and/or silver-containing catalysts and an amount of a phosphorus compound which is volatile under the reaction conditions which is such that the amount of phosphorus (calculated as P) is up to 20 ppm, based on the weight of alcohol used, the phosphorus is introduced within the catalyst bed.

公开(公告)号：AU5036301A

公开(公告)日：2001-09-24

申请号：AU5036301

申请日：2001-03-06

Applicant: BASF AG

Inventor： WEIGUNY JENS ,  STORCK SEBASTIAN ,  TENTEN ANDREAS ,  RUPPEL WILHELM

IPC: C07D307/60 ,  B01J27/28 ,  B01J38/04 ,  C07B61/00 ,  C07C51/215

Abstract: In a process for preparing maleic anhydride by heterogeneously catalyzed gas-phase oxidation of hydrocarbons having at least four carbon atoms using oxygen-containing gases in the presence of a volatile phosphorus compound over a catalyst comprising vanadium, phosphorus and oxygen in a shell-and-tube reactor unit having at least two successive cooled reaction zones, the temperature of the first reaction zone is from 350 to 450° C. and the temperature of the second and further reaction zones is from 350 to 480° C. and the temperature difference between the hottest reaction zone and the coolest reaction zone is at least 2° C.

公开(公告)号：CA2339710A1

公开(公告)日：2000-02-17

申请号：CA2339710

申请日：1999-08-09

Applicant: BASF AG

Inventor： WENZEL ANNE ,  HARDER WOLFGANG ,  BASSLER PETER ,  WALCH ANDREAS ,  RESCH PETER ,  ZEHNER PETER ,  RUPPEL WILHELM ,  RIEBER NORBERT ,  TELES JOAQUIM HENRIQUE

IPC: C07D301/19 ,  B01J20060101 ,  B01J8/04 ,  C07B20060101 ,  C07B33/00 ,  C07B41/00 ,  C07B61/00 ,  C07D20060101 ,  C07D301/03 ,  C07D301/12 ,  C07D303/04

Abstract: The invention relates to a method for reacting an organic compound with a hydroperoxide, comprising at least the following steps (i) to (iii): (i) reacting the hydroperoxide with the organic compound to obtain a mixture composed of a reacted organic compound and a non-reacted hydroperoxide; (ii) separating the non-reacted hydroperoxide from the mixture resulting in step (i); (iii) reacting the hydroperoxide separated in step (ii) with the organi c compound.

公开(公告)号：DE59603316D1

公开(公告)日：1999-11-18

申请号：DE59603316

申请日：1996-03-04

Applicant: BASF AG

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

IPC: C07C47/22 ,  C07B61/00 ,  C07C5/333 ,  C07C11/06 ,  C07C45/33 ,  C07C45/35 ,  C07C51/215 ,  C07C51/25 ,  C07C57/04 ,  C07C57/05 ,  C07C57/055

Abstract: Prodn. of acrolein (I) and/or acrylic acid (II) from C3H8 involves (A) gas phase partial dehydrogenation of C3H8 to C3H6, using heterogeneous catalyst; (B) using the prod. gas mixt. of C3H6 and unreacted C3H8 for charging an oxidn. reactor, in which C3H6 is converted to (I) and/or (II) by gas phase selective partial oxidn. with pure O2 using heterogeneous catalyst; and (C) separating the prod. from the prod. gas stream and recycling at least the unreacted C3H8 from stage (B) to stage (A). The novelty is that, before entering stage (B), constituents other than C3H8 and C3H6, at least H2 and steam, are removed from the prod. gas mixt. from stage (A). Pref. all constituents except C3H8 and C3H6 are removed after stage (A). Stage (B) is carried out in 2 consecutive reactors charged with multi-metal oxide catalysts, the first of Mo-Bi-Fe and the second of Mo-V. The prod. gas mixt. from the first oxidn. reactor is passed directly into the second; and the vol. ratio of organic cpd. for partial oxidn. (C3H6 or (II)) to O2 is 1:(1-3) in both reactors.

公开(公告)号：ID17854A

公开(公告)日：1998-01-29

申请号：ID960588

申请日：1996-03-11

Applicant: BASF AG

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

IPC: C07C27/00 ,  C07C27/14 ,  C07C45/35 ,  C07C47/22 ,  C07C51/25 ,  C07C57/04 ,  C07C57/05 ,  C07C57/055

Abstract: In continuous gas phase oxidn. of C3H6 to acrolein (I) and/or acrylic acid (II) with heterogeneous catalyst in an oxidn. reactor, the charge gas mixt. (III) contains only inert diluent gas(es) (IIIA) in addn. to C3H6 and O2 and (pt. of) (IIIA) is sepd. from the prodn. gas mixt. and recycled to the oxidn. reactor. The novelty is that (IIIA) consists of over 85 vol. % 1-5C satd. hydrocarbon(s).

公开(公告)号：CZ73396A3

公开(公告)日：1996-09-11

申请号：CZ73396

申请日：1996-03-08

Applicant: BASF AG

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

IPC: C07C47/22 ,  C07B61/00 ,  C07C5/333 ,  C07C11/06 ,  C07C45/33 ,  C07C45/35 ,  C07C51/215 ,  C07C51/25 ,  C07C57/04 ,  C07C57/05 ,  C07C57/055

Abstract: Prodn. of acrolein (I) and/or acrylic acid (II) from C3H8 involves (A) gas phase partial dehydrogenation of C3H8 to C3H6, using heterogeneous catalyst; (B) using the prod. gas mixt. of C3H6 and unreacted C3H8 for charging an oxidn. reactor, in which C3H6 is converted to (I) and/or (II) by gas phase selective partial oxidn. with pure O2 using heterogeneous catalyst; and (C) separating the prod. from the prod. gas stream and recycling at least the unreacted C3H8 from stage (B) to stage (A). The novelty is that, before entering stage (B), constituents other than C3H8 and C3H6, at least H2 and steam, are removed from the prod. gas mixt. from stage (A). Pref. all constituents except C3H8 and C3H6 are removed after stage (A). Stage (B) is carried out in 2 consecutive reactors charged with multi-metal oxide catalysts, the first of Mo-Bi-Fe and the second of Mo-V. The prod. gas mixt. from the first oxidn. reactor is passed directly into the second; and the vol. ratio of organic cpd. for partial oxidn. (C3H6 or (II)) to O2 is 1:(1-3) in both reactors.

公开(公告)号：DE3768046D1

公开(公告)日：1991-03-28

申请号：DE3768046

申请日：1987-03-31

Applicant: BASF AG

Inventor： BRENNER KARL ,  RUPPEL WILHELM ,  WOERZ OTTO ,  HALBRITTER KLAUS ,  SCHEIPER HANS-JUERGEN ,  AQUILA WERNER ,  FUCHS HARTWIG

IPC: B01J8/06 ,  C07B61/00 ,  C07C45/00 ,  C07C45/38 ,  C07C45/39 ,  C07C47/21 ,  C07C67/00

Abstract: In the reactor for carrying out catalytic organic reactions in the gas phase, having reaction tubes (A) arranged between tube plates (B), the reaction tubes have an internal diameter in the range from 0.5 to 3 cm, the reaction tube length/internal diameter ratio is between 2 and 10, and a fluid heat transfer medium flows in the lateral direction around the reaction tubes (A). The tube bundle reactor is particularly suitable for exothermic organic reactions. … …

公开(公告)号：FR1286214A

公开(公告)日：1962-03-02

申请号：FR858299

申请日：1961-04-08

Applicant: BASF AG

Inventor： BRAUN WILLY ,  RUPPEL WILHELM ,  MECKE ROLF

IPC: C09B48/00