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公开(公告)号:US20220097033A1
公开(公告)日:2022-03-31
申请号:US17309783
申请日:2019-12-18
申请人: BASF SE , The University of Tokyo
发明人: Hannah SCHREYER , Andrei-Nicolae Parvulescu , Ulrich MUELLER , Karsten SEIDEL , Tatsuya OKUBO , Toru WAKIHARA , Kenta IYOKI , Watcharop CHAIKITTISILP
摘要: The present disclosure relates to a process for the preparation of a zeolitic material having a CHA-type framework structure comprising YO2 and X2O3, wherein the process comprises: (1) providing a mixture comprising one or more sources for YO2, one or more sources for X2O3, one or more tetraalkylammonium cation R1R2R3R4N+-containing compounds, and one or more tetraalkylammonium cation R5R6R7R8N+-containing compounds as structure directing agent; (2) crystallizing the mixture to obtain a zeolitic material having a CHA-type framework structure; wherein Y is a tetravalent element and X is a trivalent element, wherein R1, R2, R3, R5, R6, and R7 independently from one another stand for alkyl, wherein R4 stands for CnH2nOH with n=1 to 6, and wherein R8 stands for cycloalkyl.
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公开(公告)号:US20150329368A1
公开(公告)日:2015-11-19
申请号:US14435588
申请日:2013-10-09
申请人: BASF SE
发明人: Andrei-Nicolae PARVULESCU , Jeff YANG , Stefan MAURER , Manuela GAAB , Karsten SEIDEL , Olga GERLACH , Ulrich MUELLER
CPC分类号: C01B39/48 , B01J29/7038 , B01J35/002 , B01J2229/16 , B01J2229/37 , B01J2229/40 , C01B39/026
摘要: A process for the post-treatment of a zeolitic material having an MWW framework structure, the process comprising (i) providing a zeolitic material having an MWW framework structure, wherein the framework structure of the zeolitic material comprises X2O3 and YO2, wherein Y is a tetravalent element and X is a trivalent element and wherein the molar ratio X2O3:YO2 is greater than 0.02:1; (ii) treating the zeolitic material provided in (i) with a liquid solvent system thereby obtaining a zeolitic material having a molar ratio X2O3:YO2 of at most 0.02:1, and at least partially separating the zeolitic material from the liquid solvent system; (iii) treating the zeolitic material obtained from (ii) with a liquid aqueous system having a pH in the range of 5.5 to 8 and a temperature of at least 75° C.
摘要翻译: 一种用于后处理具有MWW骨架结构的沸石材料的方法,该方法包括(i)提供具有MWW骨架结构的沸石材料,其中沸石材料的骨架结构包含X 2 O 3和YO 2,其中Y是 四价元素,X是三价元素,其中X 2 O 3 :YO 2的摩尔比大于0.02:1; (ii)用液体溶剂系统处理(i)中提供的沸石材料,从而获得摩尔比X2O3:YO2至多0.02:1的沸石材料,并至少部分地将沸石材料与液体溶剂系统分离; (iii)用pH值在5.5至8范围内和至少75℃的温度的液体水系统处理由(ii)得到的沸石材料。
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3.
公开(公告)号:US20200246761A1
公开(公告)日:2020-08-06
申请号:US15776220
申请日:2016-11-15
申请人: BASF SE
发明人: Wendel WOHLLEBEN , Karsten SEIDEL , Kai WERLE , Natalia WIDJOJO
摘要: The present invention is directed to nanofiltration (NF) composite membranes comprising at least one polymeric porous substrate layer (S) and at least one porous selfassembled supramolecular membrane layer (F); a method of preparing such composite membranes; method of separation/filtration/purification of heavy metal cations, inorganic anions, and organic small molecules by applying such composite membranes; as well as filter cartridges and filtration devices comprising said composite membranes.
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