公开(公告)号：US20210017033A1

公开(公告)日：2021-01-21

申请号：US16605069

申请日：2018-05-15

Applicant: BASF Corporation

Inventor： Ahmad MOINI ,  Robert McGUIRE ,  Ulrich MUELLER

IPC: C01B39/48 ,  B01J29/76 ,  B01J37/08

Abstract: A process for preparing a zeolitic material comprising a metal M, having framework type AEI, and having a framework in structure which comprises a tetravalent element Y, a trivalent element X, and oxygen, said process comprising (i) providing a zeolitic of material comprising the metal M, having a framework type other than AEI, and having a framework structure comprising 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, 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 M is a transition metal of groups 7 to 12 of the periodic table of elements.