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    Method for the production of a catalyst containing vanadium, phosphorus, and oxygen
    61.
    发明专利
    Method for the production of a catalyst containing vanadium, phosphorus, and oxygen 未知

    公开(公告)号：AU2003212333A8

    公开(公告)日：2003-09-29

    申请号：AU2003212333

    申请日：2003-03-12

    Applicant: BASF AG

    Inventor： STORCK SEBASTIAN ,  FELDER RAIMUND ,  WEIGUNY JENS ,  DUDA MARK ,  DOBNER CORNELIA

    IPC: C07D307/60 ,  B01J27/198 ,  B01J35/02 ,  B01J35/10 ,  B01J37/00 ,  B01J37/08 ,  B01J37/14 ,  B01J37/18 ,  C07C51/215 ,  C07C51/25 ,  C07C57/145

    Abstract: Disclosed is a method for producing a catalyst containing vanadium, phosphorus, and oxygen, which is used for oxidizing the gas phase of a hydrocarbon having at least four carbon atoms to maleic anhydride. According to the inventive method, a corresponding catalyst precursor which contains vanadium, phosphorus, and oxygen and is provided with particles having an average diameter of at least 2 mm is converted into a catalytically active form by means of calcination, and a flow of the catalyst precursor is transported on a conveyor belt across at least one calcination area over a distance 1 n at an essentially steady speed in order to be calcinated. The variation over time of the gas temperature in relation to the set point value amounts to n /2 of the calcination area, while the local difference in the gas temperature between any positions in the area of the flow of the catalyst precursor, which is located within the second half 1 n /2 of the calcination area, amounts to

    METHOD FOR PRODUCING PHTHALIC ANHYDRIDE
    62.
    发明专利
    METHOD FOR PRODUCING PHTHALIC ANHYDRIDE 未知

    公开(公告)号：AU2003208789A1

    公开(公告)日：2003-09-09

    申请号：AU2003208789

    申请日：2003-02-04

    Applicant: BASF AG

    Inventor： ROSOWSKI FRANK ,  BAIER MICHAEL ,  TENTEN ANDREAS ,  WOLF HANS-JOSEF ,  STORCK SEBASTIAN

    IPC: C07D307/89 ,  B01J23/22 ,  B01J35/00 ,  C07B61/00 ,  C07C51/265 ,  C07C51/31 ,  C07C63/16

    Abstract: Production of phthalic anhydride by gas-phase oxidation of o-xylene or naphthalene in a tubular reactor involves using three or more different catalyst beds with controlled hot-spot temperatures. A method for the production of phthalic anhydride (I) by gas-phase oxidation of xylene and/or naphthalene in a thermostatted tube-bank reactor on 3 or more solid-bed catalysts in 3 different layers involves carrying out the process in such a way that the peak temperature (T2) in the second catalyst layer (in the direction of flow) is up to 50 degrees C below the peak temperature (T1) in the first layer and the peak temperature (T3) in the third layer is 30-100 degrees C below T1.

    METHOD FOR PRODUCING MALEIC ACID ANHYDRIDE
    63.
    发明专利
    METHOD FOR PRODUCING MALEIC ACID ANHYDRIDE 未知

    公开(公告)号：CA2402420A1

    公开(公告)日：2001-09-20

    申请号：CA2402420

    申请日：2001-03-06

    Applicant: BASF AG

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

    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.

    65.
    发明专利
    未知

    公开(公告)号：BRPI0410551B1

    公开(公告)日：2014-11-18

    申请号：BRPI0410551

    申请日：2004-05-15

    Applicant: BASF AG

    Inventor： NETO SAMUEL ,  ZUEHLKE JUERGEN ,  STORCK SEBASTIAN ,  ROSOWSKI FRANK

    IPC: C07C51/31 ,  C07C51/21 ,  C07C51/265 ,  C07D307/89

    Abstract: The invention relates to a process for preparing phthalic anhydride, in which the catalytic gas-phase oxidation of o-xylene and/or naphthalene is carried out over at least three zones of catalysts of increasing activity, with only the last zone of the catalyst system containing phosphorus and the last zone also comprising at least 10% by weight of vanadium (calculated as V 2 O 5 ) based on the active composition of the catalyst and having a ratio of vanadium (calculated as V 2 O 5 ) to phosphorus of greater than 35.

    68.
    发明专利
    未知

    公开(公告)号：DE102005061382A1

    公开(公告)日：2007-06-28

    申请号：DE102005061382

    申请日：2005-12-21

    Applicant: BASF AG

    Inventor： NETO SAMUEL ,  HIBST HARTMUT ,  ROSOWSKI FRANK ,  STORCK SEBASTIAN ,  ZUEHLKE JUERGEN

    IPC: B01J37/08 ,  B01J23/68

    Abstract: A process is described for converting a precatalyst which comprises an inert support, an organic carbon source and a multimetal oxide comprising silver and vanadium to a gas phase oxidation catalyst which comprises the inert support and a catalytically active silver vanadium oxide bronze, by treating the precatalyst thermally at a temperature of at least 350° C. in a gas atmosphere which comprises less than 10% by volume of oxygen, wherein, before the thermal treatment, the amount of the carbon source in the precatalyst is adjusted to a value below a critical amount The carbon content is reduced by burning-off at a temperature of from 80 to 200° C. in an oxygenous atmosphere with decomposition of a portion of the carbon source. The catalysts obtained serve for the gas phase partial oxidation of aromatic hydrocarbons to aldehydes, carboxylic acids and/or carboxylic anhydrides.

    PROCEDIMIENTO PARA LA OBTENCION DE ANHIDRIDO DEL ACIDO FTALICO.
    70.
    发明专利
    PROCEDIMIENTO PARA LA OBTENCION DE ANHIDRIDO DEL ACIDO FTALICO. 未知

    公开(公告)号：ES2271890T3

    公开(公告)日：2007-04-16

    申请号：ES04733248

    申请日：2004-05-15

    Applicant: BASF AG

    Inventor： NETO SAMUEL ,  ZUHLKE JURGEN ,  STORCK SEBASTIAN ,  ROSOWSKI FRANK

    IPC: C07C51/21 ,  C07C51/31 ,  C07C51/265 ,  C07D307/89

    Abstract: Procedimiento para la obtención de anhídrido del ácido ftálico mediante oxidación catalítica en fase gaseosa de xileno y/o de naftalina con un gas que contenga oxígeno molecular en un lecho fijo y por medio de catalizadores dispuestos al menos en tres capas superpuestas, cuya actividad aumenta de una capa a otra desde el lado de entrada de los gases hasta el lado de salida de los gases, sobre cuyo núcleo formado por material de soporte se ha dispuesto una capa de óxidos metálicos catalíticamente activos, caracterizado porque únicamente presenta fósforo la última capa del catalizador, presentándose en la última capa, al menos un 10 % en peso de vanadio (calculado como V2O5) referido a la masa activa del catalizador y presentando la proporción entre vanadio (calculado como V2O5) y fósforo un valor mayor que 35.

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