公开(公告)号：US20220064011A1

公开(公告)日：2022-03-03

申请号：US17480364

申请日：2021-09-21

Applicant: BASF SE

Inventor： Andrei-Nicolae PARVULESCU ,  Ulrich Müller ,  Stefan Maurer ,  Yu Dai ,  Feng-Shou Xiao ,  Xiangju Meng ,  Yeqing Wang

IPC: C01B37/00 ,  B01J20/10 ,  B01J20/30 ,  B01J29/86 ,  B01J37/00 ,  B01J37/02 ,  B01J37/03 ,  B01J37/04 ,  B01J37/06 ,  B01J37/08 ,  B01J37/30 ,  B01J29/70

Abstract: The present invention relates to a process for the production of a zeolitic material having an MWW framework structure comprising YO2 and B2O3, wherein Y stands for a tetravalent element, said process comprising (i) preparing a mixture comprising one or more sources for YO2, one or more sources for B2O3, one or more organotemplates, and seed crystals, (ii) crystallizing the mixture obtained in (i) for obtaining a layered precursor of the MWW framework structure, (iii) calcining the layered precursor obtained in (ii) for obtaining the zeolitic material having an MWW framework structure, wherein the one or more organotemplates have the formula (I) R1R2R3N   (I) wherein R1 is (C5-C8)cycloalkyl, and wherein R2 and R3 are independently from each other H or alkyl, and wherein the mixture prepared in (i) and crystallized in (ii) contains 35 wt.-% or less of H2O based on 100 wt.-% of YO2 contained in the mixture prepared in (i) and crystallized in (ii), as well as to a synthetic boron-containing zeolite which is obtainable and/or obtained according to the inventive process and to its use.

公开(公告)号：US20220106192A1

公开(公告)日：2022-04-07

申请号：US17423590

申请日：2020-01-21

Applicant: BASF SE

Inventor： Andrei-Nicolae Parvulescu ,  Feng-Shou Xiao ,  Xiangju Meng ,  Qinming Wu ,  Yu Dai ,  Stefan Maurer ,  Ulrich Mueller ,  Hao XU

IPC: C01B39/48

Abstract: A process for preparing an oxidic material comprising a zeolitic material having framework type AEI and a framework structure comprising a tetravalent element Y, a trivalent element X, and O, the process comprising preparing a synthesis mixture comprising water, a source of Y, a source of X comprising sodium, an AEI framework structure directing agent, and a source of sodium other than the source of X; and heating the synthesis mixture obtained from (i) to a temperature in the range of from 100 to 180° C. and keeping the synthesis mixture under autogenous pres-sure at a temperature in this range for a time in the range of at least 6 h, obtaining the oxidic material comprising a zeolitic material having framework type AEI and a framework structure comprising a tetravalent element Y, a trivalent element X, and O, comprised in its mother liquor; wherein the AEI framework structure directing agent according to (i) comprises a N, N-diethyl-2,6-dimethylpiperidinium cation.

公开(公告)号：US11155467B2

公开(公告)日：2021-10-26

申请号：US16330592

申请日：2017-09-05

Applicant: BASF SE

Inventor： Andrei-Nicolae Parvulescu ,  Ulrich Mueller ,  Stefan Maurer ,  Yu Dai ,  Feng-Shou Xiao ,  Xiangju Meng ,  Yeqing Wang

IPC: C01B37/00 ,  B01J20/10 ,  B01J29/70 ,  B01J29/86 ,  B01J37/08 ,  B01J37/30 ,  C01B39/12 ,  B01J20/30 ,  B01J37/00 ,  B01J37/02 ,  B01J37/03 ,  B01J37/04 ,  B01J37/06

Abstract: Described herein is a process for producing a zeolitic material having an MWW framework structure containing YO2 and B2O3, in which Y stands for a tetravalent element. The process includes the steps of (i) preparing a mixture containing one or more sources for YO2, one or more sources for B2O3, one or more organotemplates, and seed crystals, (ii) crystallizing the mixture obtained in (i) for obtaining a layered precursor of the MWW framework structure, and (iii) calcining the layered precursor obtained in (ii) for obtaining the zeolitic material having an MWW framework structure. Also disclosed herein are synthetic boron-containing zeolites obtain by the process and uses thereof.

公开(公告)号：US12239965B2

公开(公告)日：2025-03-04

申请号：US17309182

申请日：2019-11-15

Applicant: BASF SE

Inventor： Andrei-Nicolae Parvulescu ,  Yu Dai ,  Stefan Maurer ,  Ulrich Mueller ,  Indre Thiel

IPC: C01B39/48 ,  B01D53/94 ,  B01J29/76 ,  B01J35/61 ,  B01J37/08 ,  B01J37/30

Abstract: The present disclosure relates to a process preparating a zeolitic material having an AEI-type framework structure, wherein the framework structure comprises SiO2 and X2O3 and X is a trivalent element, and wherein the process comprises: (1) preparing a mixture comprising one or more cationic structure directing agents comprising a heterocyclic amine ring, seed crystals, and a first zeolitic material comprising SiO2 and X2O3 in its framework structure and having an FAU-type framework structure; and (2) heating the mixture to obtain a second zeolitic material comprising SiO2 and X2O3 in its framework structure and having an AEI-type framework structure.

公开(公告)号：US12157674B2

公开(公告)日：2024-12-03

申请号：US17480364

申请日：2021-09-21

Applicant: BASF SE

Inventor： Andrei-Nicolae Parvulescu ,  Ulrich Müller ,  Stefan Maurer ,  Yu Dai ,  Feng-Shou Xiao ,  Xiangju Meng ,  Yeqing Wang

IPC: C01B37/00 ,  B01J20/10 ,  B01J20/30 ,  B01J29/70 ,  B01J29/86 ,  B01J37/00 ,  B01J37/02 ,  B01J37/03 ,  B01J37/04 ,  B01J37/06 ,  B01J37/08 ,  B01J37/30 ,  C01B39/12

Abstract: The present invention relates to a process for the production of a zeolitic material having an MWW framework structure comprising YO2 and B2O3, wherein Y stands for a tetravalent element, said process comprising (i) preparing a mixture comprising one or more sources for YO2, one or more sources for B2O3, one or more organotemplates, and seed crystals, (ii) crystallizing the mixture obtained in (i) for obtaining a layered precursor of the MWW framework structure, (iii) calcining the layered precursor obtained in (ii) for obtaining the zeolitic material having an MWW framework structure, wherein the one or more organotemplates have the formula (I) R1R2R3N  (I) wherein R1 is (C5-C8)cycloalkyl, and wherein R2 and R3 are independently from each other H or alkyl, and wherein the mixture prepared in (i) and crystallized in (ii) contains 35 wt.-% or less of H2O based on 100 wt.-% of YO2 contained in the mixture prepared in (i) and crystallized in (ii), as well as to a synthetic boron-containing zeolite which is obtainable and/or obtained according to the inventive process and to its use.