Abstract:
The present invention relates to a method for preparing a MOF shaped body in the form of spheres, MOF shaped bodies in the form of spheres and the use of MOF shaped bodies in the form of spheres.
Abstract:
A tin containing zeolitic material having an MWW-type framework structure (Sn-MWW), having a tin content of at most 2 weight-%, calculated as element and based on the weight of the Sn-MWW, and having an X-ray diffraction pattern comprising peaks at 2 theta diffraction angles of (6.6 ± 0.1 ) °, (7.1 ± 0.1 ) °, and (7.9 ± 0.1 ) °.
Abstract:
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 X 2 O 3 and YO 2 , wherein Y is a tetravalent element and X is a trivalent element and wherein the molar ratio X 2 O 3 : YO 2 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 X 2 O 3 : YO 2 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.
Abstract translation: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为5.5〜8,温度为至少75℃的液态水系统处理由(ⅱ)得到的沸石材料。
Abstract:
Method of charging a sorption store with a gas, where the sorption store comprises a closed container (10) which is at least partly filled with an adsorption medium (40) and has an inlet (21 ) and an outlet (23) which can each be closed by a shut-off element (22, 24), which comprises the steps: (a) closing of the outlet shut-off element (24) and opening of the inlet shut-off element (22), (b) introduction of gas to be stored under a predetermined pressure through the inlet (21 ), (c) rapid opening of the outlet shut-off element (24) with the inlet shut-off element (22) open so that a gas flow having a predetermined flow rate is established in the container (10), (d) reduction of the flow rate as a function of the adsorption rate of the gas adsorbed in the store and (e) complete closing of the outlet shut-off element (24).
Abstract:
The present invention relates to acetylene bridged linkers, metal-organic frameworks produced thereof, processes for producing the linkers and the MOFs and their use.
Abstract:
The present invention relates to a process for the preparation of a zeolitic material having a CHA-type framework structure comprising YO 2 and X 2 O 3 , wherein said process comprises the steps of: (1) providing a mixture comprising one or more sources for YO 2 , one or more sources for X 2 O 3 , and one or more tetraalkylammonium cation R 1 R 2 R 3 R 4 N + -containing compounds as structure directing agent; (2) crystallizing the mixture obtained in step (1) for obtaining a zeolitic material having a CHA-type framework structure; wherein Y is a tetravalent element and X is a trivalent element, wherein R 1 , R 2 , and R 3 independently from one another stand for alkyl, wherein R 4 stands for cycloalkyl, and wherein the mixture provided in step (1) does not contain any substantial amount of a source for Z 2 O 5 , wherein Z is P, as well as to zeolitic materials which may be obtained ac- cording to the inventive process and to their use.
Abstract:
The present invention relates to an organotemplate-free synthetic process for the production of a zeolitic material having an LEV-type framework structure comprising YO 2 and optionally comprising X 2 O 3 , wherein said process comprises the steps of (1) preparing a mixture comprising seed crystals and one or more sources for YO 2 ; and (2) crystallizing the mixture obtained in step (1); wherein Y is a tetravalent element, and X is a trivalent element, wherein the zeolitic material optionally comprises one or more alkali metals M, and wherein the seed crystals comprise zeolitic material having an LEV-type framework structure, and to a zeolitic material having an LEV-type framework structure obtainable by said process, as well as to an organotemplate-free zeolitic material having an LEV-type framework structure comprising YO 2 and optionally comprising X 2 O 3 , wherein Y is a tetravalent element, and X is a trivalent element, wherein the zeolitic material optionally comprises one or more alkali metals M, wherein said zeolitic material is non-calcined.
Abstract translation:本发明涉及一种用于制备具有包含YO 2和任选地包含X 2 O 3的LEV型骨架结构的沸石材料的无机模板合成方法,其中所述方法包括以下步骤:(1)制备包含晶种和一种 或更多来源的YO2; 和(2)使步骤(1)中获得的混合物结晶; 其中Y是四价元素,X是三价元素,其中所述沸石材料任选地包含一种或多种碱金属M,并且其中所述晶种包含具有LEV型骨架结构的沸石材料和具有LEV型骨架结构的沸石材料, 通过所述方法可获得的LEV型骨架结构,以及具有包含YO 2和任选地包含X 2 O 3的LEV型骨架结构的无有机模板沸石材料,其中Y是四价元素,X是三价元素,其中 沸石材料任选地包含一种或多种碱金属M,其中所述沸石材料是未煅烧的。
Abstract:
A process for producing propylene oxide comprising reacting propene with hydrogen peroxide in the presence of a catalyst to give a mixture (Gl) comprising propylene oxide, unreacted propene, and oxygen; separating propylene oxide from mixture (Gl) to give a mixture (GII) comprising propene and oxygen; and adding hydrogen to mixture (GII) and reducing the oxygen comprised in mixture (GII) at least partially by reaction with hydrogen in the presence of a catalyst comprising copper in elemental and/or oxidic form on a support, wherein copper is present on the support in an amount of 30 to 80 wt.-% based on the whole catalyst and calculated as CuO.
Abstract:
The present invention relates to A process for the preparation of a layered silicate containing at least silicon and oxygen, comprising (1) providing a mixture containing silica and/or at least one silica precursor, water, at least one tetraalkylammonium compound selected from the group consisting of diethyldimethylammonium compound, a triethylmethylammonium compound, and a mixture of a diethyldimethylammonium and a triethylmethylammonium compound, and at least one base, and optionally at least one suitable seeding material; and (2) heating of the mixture obtained according to (1) under autogenous pressure (hydrothermal conditions) to a temperature in the range of from to 120 to 160 °C for a period in the range of from 5 to 10 days to give a suspension containing the layered silicate.
Abstract:
Die vorliegende Erfindung betrifft ein poröses metallorganisches Gerüstmaterial enthaltend mindestens eine erste organische Verbindung und Ionen mindestens eines Metalls, wobei das Gerüst des Gerüstmaterials zumindest teilweise dadurch gebildet wird, dass die mindestens erste organische Verbindung zumindest teilweise zweizähnig an mindestens zwei Ionen des mindestens einen Metalls koordinativ bindet, wobei das mindestens eine Metall Lithium ist und wobei sich die mindestens erste Verbindung von Ameisensäure oder Essigsäure ableitet. Die Erfindung betrifft darüber hinaus Verfahren zu dessen Herstellung sowie Verwendung zur Gasspeicherung bzw. -trennung.