Abstract:
The invention relates to the use of a porous metal-organic framework material containing at least one at least bidentate organic compound bound coordinatively to at least one metal ion, said compound being used as a drying agent for reducing or for removing water from an organic liquid.
Abstract:
The present invention relates to a porous organometallic framework material containing a bidentate organic compound in a dative bond with a metal ion, the metal ion being selected from the group of metals consisting of Al, Fe, and Cr and the bidentate organic compound being derived from a dicarboxylic acid, characterized in that the framework material has a structure the projection of which has along [001] a pattern in which each side of a hexagon is limited by a triangle. The present invention further relates to molds and a method for the production of the porous organometallic framework material and the use thereof.
Abstract:
The present invention relates to a process for preparing a porous metal organic framework containing at least one organic compound coordinated to at least one metal ion, which comprises the step of oxidation of at least one anode containing metal corresponding to the at least one metal ion in a reaction medium in the presence of the at least one organic compound, where the at least one organic compound is a monocyclic, bicyclic or polycyclic ring system which is derived at least from one of the heterocycles selected from the group consisting of pyrrole, alpha-pyridone and gamma-pyridone and has at least two ring nitrogens, where the ring system is unsubstituted or has one or more substituents selected independently from the group consisting of halogen, C1-6-alkyl, phenyl, NH2, NH(C1-6-alkyl), N(C1-6-alkyl)2, OH, Ophenyl and OC1-6-alkyl, where the substituents C1-6-alkyl and phenyl are unsubstituted or have one or more substituents selected independently from the group consisting of halogen, NH2, NH(C1-6-alkyl), N(C1-6-alkyl)2, OH, Ophenyl and OC1-6-alkyl.
Abstract:
The present invention relates to a porous organometallic framework material comprising a bidentate organic compound bound coordinatively to a metal ion, where the metal ion is Al3+ and the bidentate compound is 2,6-naphthalenedicarboxylate. The invention further relates to moldings comprising such a framework material, to processes for producing the framework material and to the use of the framework material or of the proposed molding.
Abstract:
The present invention relates to a combined process for depleting or removing methane from a methane-containing gas mixture A and subsequent dehydrogenation, comprising the following steps 1) preparing a methane-enriched mixture B by contacting the methane-containing gas mixture A with at least one sorbent comprising a porous organometallic skeleton material, the skeleton material comprising at least one at least bidentate organic compound bound coordinatively to at least one metal ion; 2) preparing a methane-depleted gas mixture C by desorbing the compounds retained on the sorbent; 3) dehydrogenating aromatization of the saturated and unsaturated hydrocarbons present in mixture C or a portion thereof in the presence of a catalyst to aromatic hydrocarbons, to obtain a mixture D; 4) if appropriate separating the mixture D into a low boiler mixture E which comprises the majority of the H2 formed and of the unconverted hydrocarbons, and into at least one high boiler mixture F which comprises the majority of the aromatic hydrocarbons formed.
Abstract:
The invention relates to a method for commercially obtaining propene from a gas flow containing propene and at least one additional hydrocarbon. Said method comprises the following steps; (a) the gas flow is brought into contact with an adsorber containing a porous metalorganic framework material containing at least one at least bidentate organic compound which is co-ordinately bound to at least one metal ion, said adsorber being charged with propene; and (b) the propene is released from the adsorber charged with the propene. The invention further relates to the use of a porous metalorganic framework material for commercially obtaining propene from a gas flow containing propene and at least one additional hydrocarbon.
Abstract:
Preparation of polyisobutylene whose content of terminal double bonds is more than 50% via polymerization of isobutene using a polymerization catalyst conventional for this purpose, from an industrial C4 hydrocarbon stream which comprises 1-butene, 2-butene and isobutene and which can comprise up to 3000 ppm by weight of 1,3-butadiene, by reducing the content of oxygenates in the C4 hydrocarbon stream, prior to polymerization of the isobutene, via contact with an inorganic adsorbent at a pressure of from 1 to 20 bar and at a temperature of from 20 to 220°C.
Abstract:
The invention relates to a porous organo-metallic skeleton material for accommodating at least one substance. The skeleton material contains at least one at least bidentate organic compound that is coordinatively bound to at least one metal ion, whereby the skeleton material has, at least in part, pores that contain a polymer, which is suited for adsorbing a substance. The invention also relates to a method for producing the skeleton material, to a method for accommodating at least one substance by the skeleton material, and to the use of the skeleton material, in particular, for storing, separating, controlled release or chemically converting an accommodated substance.
Abstract:
The invention relates to porous metal-organic framework comprising Al'' and at least one at least bidentate compound. The at least one at least bidentate compound is a six-membered aromatic hydrocarbon ring A, wherein one ore more ring carbon atoms may be replaced by nitrogen and the three substituents X and optionally one or more substituents selected from the group including R, NRR', OR, SR, F, Cl, and Br, wherein R, R' independently represent hydrogen, methyl which is optionally substituted by one or more fluorine atoms or ethyl which is optionally substituted by one or more fluorine atoms and every X independently represents C(=O)O-, C(=S)O-, C(=O)S-, C(=S)S- or the protonized form thereof. The invention also relates to methods for producing said framework and to the use of the novel metal-organic framework.
Abstract:
The present invention relates to a method for the separation of carbon dioxide from a gas mixture containing carbon dioxide comprising the steps of (a) contacting the gas mixture with at least one sorbent comprising a porous metal-organic framework material, the framework material taking up the carbon dioxide from the gas mixture and comprising at least one at least bidentate organic compound coordinately bound to at least one metal ion, wherein the at least bidentate organic compound comprises at least one substituted or unsubstituted amino group and wherein the at last one metal ion is an ion selected from the group of metals consisting of magnesium, calcium, strontium, barium, aluminium, gallium, indium, scandium, yttrium, titanium, zirconium, iron, copper and lanthanoids; and (b) desorbing the carbon dioxide.