PROCESS FOR THE PREPARATION OF ZEOLITES ENCAPSULATING TRANSITION METAL NANOPARTICLES FROM LAYERED SILICATE PRECURSORS

    公开(公告)号:WO2019085800A1

    公开(公告)日:2019-05-09

    申请号:PCT/CN2018/111618

    申请日:2018-10-24

    IPC分类号: B01J21/00 B01J29/00

    摘要: The present invention relates to a process for the production of a transition metal containing zeolite comprising expanding a layered silicate with a swelling agent and introducing the transition metal into the interlayer expanded silicate prior to calcination thereof for obtaining the transition metal containing zeolite. The present invention further relates to a zeolite containing transition metal nanoparticles as obtainable or obtained according to the inventive process, as well as to a zeolite containing nanoparticles per se. Finally the present invention relates to the use of a zeolite containing transition metal nanoparticles as obtainable or obtained according to the inventive process, as well as to the use of a zeolite containing nanoparticles per se.

    PROCESS FOR THE PREPARATION OF A DEALUMINATED ZEOLITIC MATERIAL HAVING THE BEA FRAMEWORK STRUCTURE
    6.
    发明申请
    PROCESS FOR THE PREPARATION OF A DEALUMINATED ZEOLITIC MATERIAL HAVING THE BEA FRAMEWORK STRUCTURE 审中-公开
    用于制备具有骨架结构的脱铝沸石材料的方法

    公开(公告)号:WO2016128917A1

    公开(公告)日:2016-08-18

    申请号:PCT/IB2016/050715

    申请日:2016-02-11

    IPC分类号: C01B39/06 B01J29/06

    摘要: The present invention relates to a method for the preparation of a treated zeolitic material having a BEA framework structure comprising the steps of: (i) providing a zeolitic material having a BEA framework structure, wherein the BEA framework structure comprises YO2 and X2O3, wherein Y is a tetravalent element, and X is a trivalent element, and wherein the zeolitic material having a BEA framework structure is obtainable and/or obtained from an organotemplate-free synthetic process; (ii) calcining the zeolitic material provided in step (i) at a temperature of 650°C or more; and (iii) treating the calcined zeolitic material obtained from step (ii) with an aqueous solution having a pH of 5 or less, as well as to zeolitic materials per se preferably obtainable according to the inventive method and to their use, and to a process for converting oxygenates to olefins employing the inventive zeolitic materials.

    摘要翻译: 本发明涉及一种制备具有BEA骨架结构的经处理的沸石材料的方法,包括以下步骤:(i)提供具有BEA骨架结构的沸石材料,其中BEA骨架结构包含YO 2和X 2 O 3,其中Y 是四价元素,X是三价元素,并且其中具有BEA骨架结构的沸石材料可以从有机无模板合成方法获得和/或获得; (ii)在650℃以上的温度下煅烧步骤(i)中提供的沸石材料; 和(iii)用pH为5以下的水溶液以及根据本发明方法可获得的沸石材料本身及其用途来处理由步骤(ii)获得的煅烧沸石材料及其用途 使用本发明的沸石材料将含氧物转化为烯烃的方法。

    SILICON-BRIDGED PILLARED SILICATE COMPOUNDS AND PROCESS FOR THEIR PRODUCTION
    7.
    发明申请
    SILICON-BRIDGED PILLARED SILICATE COMPOUNDS AND PROCESS FOR THEIR PRODUCTION 审中-公开
    有机硅填料的硅酸盐化合物及其生产工艺

    公开(公告)号:WO2015032851A2

    公开(公告)日:2015-03-12

    申请号:PCT/EP2014/068822

    申请日:2014-09-04

    IPC分类号: C01B37/02

    摘要: The present invention relates to a process for the preparation of a pillared silicate compound comprising a layered silicate structure and bridging silicon atoms located between adjacent silicate layers of the silicate structure, wherein said bridging silicon atoms form at least one covalent bond to each of the adjacent silicate layers, said process comprising (1) providing one or more layered silicates; (2) adding said one or more layered silicates to a solvent system, wherein the resulting mixture has a pH of 5 or less; and (3) subjecting the mixture obtained in step (2) to solvothermal conditions; wherein no silicon-containing compound according to formula (I) R4-mSi[-(SiR2)n-R]m (I) is used at any point of the process up to and including step (3), wherein m is 1, 2, 3, or 4, and n is an integer greater than or equal to 0, wherein when n is equal to 0, one or more residues R are leaving groups, and wherein none of the residues R contains Si, as well as to a pillared silicate compound per se, preferably as obtained and/or obtainable according to the inventive process as well as to the use of the inventive compounds.

    摘要翻译: 本发明涉及一种制备柱状硅酸盐化合物的方法,其包括层状硅酸盐结构和位于硅酸盐结构的相邻硅酸盐层之间的桥接硅原子,其中所述桥连硅原子与相邻的每个相邻的硅酸盐层形成至少一个共价键 硅酸盐层,所述方法包括(1)提供一层或多层分层硅酸盐; (2)将一种或多种层状硅酸盐加入到溶剂体系中,其中所得混合物的pH为5或更小; 和(3)使步骤(2)中获得的混合物经历溶剂热条件; 其中在直到并包括步骤(3)的任何处理方法中,不使用根据式(I)的含硅化合物R 4-m Si [ - (SiR 2)n R] m(I),其中m为1,2, 3或4,并且n是大于或等于0的整数,其中当n等于0时,一个或多个残基R是离去基团,并且其中残基R中没有一个包含Si,以及被支化的 硅酸盐化合物本身,优选根据本发明方法获得和/或可获得,以及本发明化合物的用途。