Abstract:
Disclosed is a process for the alkylation of an organic compound comprising: (a) providing a catalyst comprising one or more zeolitic materials having a BEA framework structure, wherein the BEA framework structure comprises YO 2 and optionally comprises X 2 O 3 , wherein Y is a tetravalent element, and X is a trivalent element, (b) contacting the catalyst with one or more alkylatable organic compounds in the presence of one or more alkylating agents in one or more reactors for obtaining one or more alkylated organic compounds, wherein the one or more zeolitic materials is obtainable from a synthetic process which does not employ an organotemplate as structure directing agent.
Abstract translation:公开了一种用于烷基化有机化合物的方法,包括:(a)提供包含一种或多种具有BEA骨架结构的沸石材料的催化剂,其中所述BEA骨架结构包含YO 2并且任选地包含X 2 O 3,其中Y是四价元素, 并且X是三价元素,(b)在一个或多个烷基化剂存在下,在一个或多个烷基化剂存在下使所述催化剂与一种或多种可烷基化的有机化合物接触,以获得一种或多种烷基化有机化合物,其中所述一种或多种沸石材料 可以从不使用有机模板作为结构导向剂的合成方法获得。
Abstract:
A process for the post-treatment of a zeolitic material, the process comprising (i) providing a zeolitic material, wherein the framework structure of the zeolitic material comprises YO 2 and X 2 O 3 , wherein Y is a tetravalent element and X is a trivalent element; (ii) subjecting the zeolitic material provided in (i) to a method comprising (a) treating the zeolitic material with an aqueous solution having a pH of at most 5, (b) treating the zeolitic material obtained from (a) with a liquid aqueous system having a pH in the range of 5.5 to 8 and a temperature of at least 75 °C; wherein in (ii) and after (b), the zeolitic material is optionally subjected to at least one further treatment according to (a) and/or at least one further treatment according to (b).
Abstract translation:一种用于后处理沸石材料的方法,所述方法包括(i)提供沸石材料,其中沸石材料的骨架结构包含YO 2和X 2 O 3,其中Y是四价元素,X是三价元素; (ii)使(i)中提供的沸石材料的方法包括(a)用pH至多为5的水溶液处理沸石材料的方法,(b)用液体(a)处理从(a)得到的沸石材料 水系统,其pH在5.5至8的范围内,温度至少为75℃; 其中在(ii)和(b)中,所述沸石材料任选地根据(a)和/或根据(b)的至少一种另外的处理进行至少一种另外的处理。
Abstract:
The present invention relates to an organotemplate-free synthetic process for the production of a zeolitic material comprising YO 2 and X 2 O 3 , wherein said process comprises the steps of (1) preparing a mixture comprising seed crystals, one or more sources for YO 2 , one or more sources for X 2 O 3 , and one or more solvents; (2) crystallizing the mixture obtained in step (1) to obtain a zeolitic material comprising YO 2 and X 2 O 3 as a crystallization product; wherein Y is a tetravalent element, and X is a trivalent element, and wherein at least a portion of the mother liquor obtained in step (2) is recycled to step (1) as a source for YO 2 , optionally after concentration of the mother liquor.
Abstract translation:本发明涉及一种用于生产包含YO 2和X 2 O 3的沸石材料的无有机模板合成方法,其中所述方法包括以下步骤:(1)制备包含晶种的混合物,一种或多种YO2源,一种或多种 X2O3和一种或多种溶剂的来源; (2)使步骤(1)中获得的混合物结晶,得到包含YO 2和X 2 O 3作为结晶产物的沸石材料; 其中Y是四价元素,X是三价元素,并且其中步骤(2)中获得的至少一部分母液作为YO2源再循环到步骤(1),任选地在母液浓缩之后 。
Abstract:
Provided is a process for the preparation of a zeolitic material having a BEA framework structure comprising the steps of: (i) providing one or more zeolitic materials having a BEA framework structure, wherein the BEA framework structure comprises Y0 2 and X 2 O 3 , wherein Y is a tetravalent element, and X is a trivalent element; (ii) subjecting the one or more zeolitic materials provided in step (i) to a procedure for removing at least a portion of X, preferably tetrahedrally coordinated X, from the BEA framework structure; wherein the Y:X molar ratios of the one or more zeolitic materials provided in step (i) are respectively comprised in the range of from 1 to 50.