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    PROCESS FOR THE PREPARATION OF BUTADIENE
    1.
    发明专利
    PROCESS FOR THE PREPARATION OF BUTADIENE 未知

    公开(公告)号：ZA201509117B

    公开(公告)日：2020-05-27

    申请号：ZA201509117

    申请日：2015-12-14

    Applicant: BASF SE A GERMAN COMPANY

    Inventor： KIRSTEN SPANNHOFF ,  ANDREI-NICOLAE PARVULESCU ,  ARMIN LANGE DE OLIVEIRA ,  STEFAN MARX ,  MATHIAS FEYEN ,  ULRICH MÜLLER ,  EKKEHARD SCHWAB

    Abstract: The present invention relates to a gas-phase process for the preparation of butadiene comprising (i) providing a gas stream G-1 comprising ethanol; (ii) contacting the gas stream G-1 comprising ethanol with a catalyst, thereby obtaining a gas stream G-2 comprising butadiene, wherein the catalyst comprises a zeolitic material having a framework structure comprising YO2, Y standing for one or more tetravalent elements, wherein at least a portion of Y comprised in the framework structure is isomorphously substituted by one or more elements X, as well as to a zeolitic material having a framework structure comprising YO2, Y standing for one or more tetravalent elements, wherein at least a portion of Y comprised in the framework structure is isomorphously substituted by one or more elements X, wherein the zeolitic material displays a specific X-ray powder diffraction pattern, and to its use.

    CATALYST AND PROCESS FOR THE CONVERSION OF OXYGENATES TO OLEFINS
    4.
    发明专利
    CATALYST AND PROCESS FOR THE CONVERSION OF OXYGENATES TO OLEFINS 未知

    公开(公告)号：ZA201603841B

    公开(公告)日：2019-09-25

    申请号：ZA201603841

    申请日：2016-06-06

    Applicant: BASF SE A GERMAN COMPANY

    Inventor： KIRSTEN BRAUNSMANN ,  BERND BASTIAN SCHAACK ,  EKKEHARD SCHWAB ,  MANUELA GAAB ,  MATHIAS FEYEN

    Abstract: The present invention relates to a catalyst for the conversion of oxygenates to olefins, wherein the catalyst comprises one or more zeolites of the MFI, MEL and/or MWW structure type and particles of one or more metal oxides, the one or more zeolites of the MFI, MEL and/or MWW structure type comprising one or more alkaline earth metals selected from the group consisting of Mg, Ca, Sr, Ba and combinations of two or more thereof, wherein the catalyst displays a water uptake of 9.0 wt.-% or less, as well as to a process for the production thereof and to its use, in particular in a process for converting oxygenates to olefins.

    BIMETAL-EXCHANGED ZEOLITE BETA FROM ORGANOTEMPLATE-FREE SYNTHESIS AND USE THEREOF IN THE SELECTIVE CATALYTIC REDUCTION OF NOX
    5.
    发明专利
    BIMETAL-EXCHANGED ZEOLITE BETA FROM ORGANOTEMPLATE-FREE SYNTHESIS AND USE THEREOF IN THE SELECTIVE CATALYTIC REDUCTION OF NOX 未知

    公开(公告)号：ZA201604699B

    公开(公告)日：2020-10-28

    申请号：ZA201604699

    申请日：2016-07-08

    Applicant: BASF SE A GERMAN COMPANY ,  TOKYO INST TECH

    Inventor： MATHIAS FEYEN ,  STEFAN MAURER ,  ULRICH MÜLLER ,  XINHE BAO ,  WEIPING ZHANG ,  DIRK DE VOS ,  HERMANN GIES ,  FENG-SHOU XIAO ,  TOSHIYUKI YOKOI ,  BILGE YILMAZ

    Abstract: The present invention relates to a process for the production of a zeolitic material having a BEA-type framework structure comprising YO2 and X2O3, wherein said process comprises the steps of (1) preparing a mixture comprising one or more sources for YO2 and one or more sources for X2O3; (2) crystallizing the mixture obtained in step (1); (3) subjecting the zeolitic material having a BEA-type framework structure obtained in step (2) to an ion-exchange procedure with Cu; and (4) subjecting the Cu ion-exchanged zeolitic material obtained in step (3) to an ion-exchange procedure with Fe; wherein Y is a tetravalent element, and X is a trivalent element, wherein the mixture provided in step (1) and crystallized in step (2) further comprises seed crystals comprising one or more zeolitic materials having a BEA-type framework structure, and wherein the mixture provided in step (1) and crystallized in step (2) does not contain an organotemplate as a structure-directing agent, as well as to the zeolitic material having a BEA framework structure per se, and to its use, in particular in a method for the treatment of NOx by selective catalytic reduction (SCR).

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