A PROCESS FOR PREPARING A ZEOLITIC MATERIAL HAVING FRAMEWORK TYPE AEI

    公开(公告)号:US20210016262A1

    公开(公告)日:2021-01-21

    申请号:US16605133

    申请日:2018-05-15

    Abstract: A process for preparing a zeolitic material having framework type AEI and having a framework structure which comprises a tetravalent element Y, a trivalent element X, and oxygen, said process comprising (i) providing a zeolitic material having framework type CHA and having a framework structure comprising the tetravalent element Y, the trivalent element X, and oxygen; (ii) preparing a synthesis mixture comprising the zeolitic material provided in (i), water, a source of the tetravalent element Y other than the zeolitic material provided in (i), and an AEI framework structure directing agent; (iii) subjecting the synthesis mixture prepared in (ii) to hydrothermal synthesis conditions comprising heating the synthesis mixture to a temperature in the range of from 100 to 200° C. and keeping the synthesis mixture at a temperature in this range under autogenous pressure, obtaining the zeolitic material having framework type AEI; wherein Y is one or more of Si, Ge, Sn, Ti, Zr; wherein X is one or more of Al, B, Ga, In; wherein in the framework structure of the zeolitic material provided in (i), the molar ratio Y:X, calculated as YO2:X2O3, is at most 20:1.

    A PROCESS FOR PREPARING A ZEOLITIC MATERIAL HAVING FRAMEWORK TYPE AEI

    公开(公告)号:US20210252491A1

    公开(公告)日:2021-08-19

    申请号:US17274809

    申请日:2019-09-10

    Abstract: The present disclosure relates to a process for preparing a zeolitic material having framework type AEI and having a framework structure which comprises a tetravalent element Y, a trivalent element X, and O. Further, the present invention disclosure relates to a zeolitic material having framework type AEI and having a framework structure which comprises a tetravalent element Y, a trivalent element X, and O, preferably obtained by the process, and further relates to the use of the zeolitic material as a catalytically active material, as a catalyst, or as a catalyst component.

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