Abstract:
The present invention relates to a process for the preparation of an isomorphously substituted RUB-36 silicate comprising (1) providing a mixture containing silica, preferably amorphous silica, and/or at least one silica precursor, water, at least one suitable structure directing agent, (2) heating the mixture obtained according to (1) under hydrothermal conditions to give a suspension containing an RUB-36 silicate, (3) separating the RUB-36 silicate, wherein (a) either the mixture according to (1) contains at least one element suitable for isomorphous substitution and/or (b) the separated RUB-36 silicate according to (3) is subjected to isomorphous substitution.
Abstract:
The present invention relates to a porous metal-organic structural material containing at least one first organic compound and ions of at least one metal, wherein the structure of the structural material is at least partially formed in that the at least one organic compound at least partially coordinatively bonds to at least two ions of the at least one metal in bidentate fashion, wherein the at least one metal is lithium and wherein the at least one compound derives from formic acid or acetic acid. The invention further relates to a method for the manufacture thereof, and to the use thereof for gas storage or separation.
Abstract:
The present invention relates to a method for technical extraction of propene from a gas stream containing at least propene and propane, the step comprising bringing the gas stream into contact with an adsorbent material comprising a porous metal-organic structural material containing at least one at least bidentate organic compound that is coordinatively bonded to at least one metal ion, wherein the adsorbent material becomes loaded up with propane and the gas stream thereby exhibits an elevated propene content, wherein the at least bidentate organic component is an imidazolate that is unsubstituted or that contains one or more substituents independently selected from the group consisting of halogen, C 1-6 alkyl, phenyl, NH 2 , NH(C 1-6 alkyl), N(C 1-6 alkyl) 2 , OH, O-phenyl and O-C 1-6 alkyl. The present invention also relates to the use of such a porous metal-organic structural material for technical extraction of propene from a gas stream containing at least propene and propane by way of propane depletion of the gas stream.
Abstract:
The present invention provides a process for the epoxidation of propene which comprises reacting propene with hydrogen peroxide in the presence of methanol as solvent and a titanium zeolite catalyst, the process further comprising separating propylene oxide from the reaction mixture to obtain a mixture comprising methanol, water, at least one carboxylic acid and at least one carbonyl compound, wherein the at least one carboxylic acid is at least partially neutralized, said process optionally comprising a hydrogenation stage.
Abstract:
The invention relates to a method for producing propylene oxide, at least comprising steps (i) and (ii): (i) providing a catalyst containing at least one porous oxidic material; (ii) reacting propene with a hydroperoxide in at least one nitrile serving as a solvent or in a solvent mixture containing at least one nitrile in the presence of the catalyst in accordance with (i). The invention is characterized in that at least one porous oxidic material is a zeolite having a radiographic correspondence to the MWW type.
Abstract:
The invention relates to porous organometallic framework materials containing at least one at least ambident organic compound L which is coordinatively bound to at least one metal ion M and is provided with at least one functional group G that binds non-coordinatively to M and is selected among the group comprising -SO3H, -PO3H2, and the analogues thereof. The invention further relates to method for the production thereof and the use thereof.
Abstract:
The present invention relates to a porous organometallic skeleton material, comprising at least one at least bidentate organic compound bound coordinatively to at least one metal ion, wherein the at least one metal ion is AlIII and the at least bidentate organic compound is an aromatic dicarbonic acid substituted with at least one amino group, selected from the group consisting of terephthalic acid, 2,6-naphthalene dicarbonic acid, 1,4-naphthalene dicarbonic acid, 1,5-naphthalene dicarbonic acid, and the derivates thereof, wherein at least one CH group is substituted in the ring by nitrogen, wherein the skeleton material in powder form has a specific surface according to Langmuir (N2, 77K) of at least 2500 m2/g. The invention further relates to molded bodies containing said materials, the production thereof, and use thereof for the storage and separation of gases.
Abstract:
The present invention relates to methods for the production of an organometallic framework material loaded with catalyst metal components comprising the following steps: (a) bringing the organometallic framework material, containing at least one at least bidentate organic compound in a dative bond with at least one metal ion, into contact with an aqueous solution containing a catalyst metal ion corresponding to the catalyst metal component, wherein the at least one metal ion and the catalyst metal ion originate from different metals and the at least one metal ion is selected from groups 2, 3, 4, 13 of the periodic table of elements and the lanthanides; (b) chemical conversion of the catalyst metal ion into the catalyst metal component and (c) optionally, passivation of the catalyst metal component. The invention further relates to the conversion of loaded porous organometallic framework materials into porous metal oxides, porous materials thus obtained, and the use thereof, particularly in the catalytic chemical reaction.
Abstract:
The present invention relates to the use of a porous organometallic skeleton material comprising at least one at least bidentate organic compound bound coordinatively to at least one metal ion, wherein the at least one metal ion, the at least one at least bidentate organic compound or, if present, a further component is a coloring component, as an adsorbent and for permanent colored identification of a filter.
Abstract:
The invention relates to suspensions which are used to reduce odours, containing a metal-organic framework material which is porous in liquid, in addition to an atomiser and to a method for reducing odours by means of said suspensions. The invention also relates to the use of the suspension in order to reduce odours.