Abstract:
The present invention relates to a process for oxidizing a sulfoxide to the respective sulfone, said process comprising reacting the sulfoxide with hydrogen peroxide in the presence of a catalyst, obtaining a mixture (M) comprising the sulfone and the catalyst, wherein the catalyst comprises a porous titanium-containing silicate as a catalytically active material.
Abstract:
Verfahren zur Herstellung eines Katalysators für die Dehydroaromatisierung, dadurch gekennzeichnet, dass a) ein Katalysator, der ein Zeolith und mindestens ein katalytisch aktives Metalle enthält, b) mit einer Silicium enthaltenden Verbindung passiviert wird und c) anschließend gegebenenfalls calciniert wird.
Abstract:
The invention relates to a storage unit (12) for a drive system (10) in a vehicle, which has at least one sorption store (18), at least one battery (16) and at least one cooling circuit (26), wherein the sorption store (18) is coupled via the cooling circuit (26) to the battery (16). The invention additionally relates to a method of operating the storage unit (12) and also a drive system (10) and a vehicle equipped with such a storage unit (12).
Abstract:
A process for the oxidation of an organic carbonyl compound comprising reacting the organic carbonyl compound, optionally in the presence of a solvent, with hydrogen peroxide in the presence of a catalyst comprising a tin-containing zeolitic material having an MWW-type framework structure.
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 a micropowder, wherein the particles of the micropowder have a Dv10 value of at least 2 micrometer and the micropowder comprises mesopores which have an average pore diameter in the range of from 2 to 50 nm and comprise, based on the weight of the micropowder, at least 95 weight-% of a microporous aluminum-free zeolitic material of structure type MWW containing titanium and zinc.
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:
Disclosed is a process for preparing a porous metal-organic framework comprising at least one at least bidentate organic compound coordinated to at least one metal ion, where the at least one metal ion is a zinc ion and the at least one at least bidentate organic compound is based on 2-methylimidazole, which comprises the steps (a) addition of a first water-based solution comprising zinc ions to a second water-based solution comprising 2-methylimidazole, with a suspension being formed after addition of the second solution; (b) addition of a third solution comprising a strong base to the suspension formed in step (a).
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.
Abstract:
A process for the preparation of a catalyst for the use in a hydrocarbon conversion reaction, said catalyst containing a titanium zeolite and carbonaceous material, the catalyst containing said carbonaceous material in an amount of from 0.01 to 0.5 % by weight based on the total weight of titanium zeolite contained in the catalyst, the process comprising (i) preparing a catalyst containing the titanium zeolite and (ii) depositing carbonaceous material on the catalyst according to (i) in an amount of from 0.01 to 0.5 % by weight based on the total weight of titanium zeolite contained in the catalyst by contacting said catalyst, prior to using the catalyst in said hydrocarbon conversion reaction, with a fluid containing at least one hydrocarbon in an inert atmosphere, to obtain the carbonaceous material containing catalyst, wherein in (ii), the catalyst is not contacted with an oxygen containing gas.