Abstract:
The present invention relates to a process for preparing a porous metal organic framework comprising at least two organic compounds coordinated to at least one metal ion, which comprises the steps (a) oxidation of at least one anode containing metal corresponding to the at least one metal ion in a reaction medium in the presence of at least a first organic compound, where the first organic compound is an optionally substituted monocyclic, bicyclic or polycyclic saturated or unsaturated hydrocarbon in which at least two ring carbons are replaced by heteroatoms selected from the group consisting of N, O and S, to form a reaction intermediate containing at least one metal ion and the first organic compound; and (b) reaction of the reaction intermediate at a prescribed temperature with an at least second organic compound which coordinates to the at least one metal ion, where the second organic compound is derived from a dicarboxylic, tricarboxylic or tetracarboxylic acid.
Abstract:
The invention relates to a fuel reservoir (10) for gaseous fuel (22) in a vehicle, in particular a sorption reservoir. The fuel reservoir (10) is delimited by at least one wall (12, 36) and comprises a sorption material (30) that is contained in its interior. The fuel reservoir (10) comprises a tank inlet valve (14) containing a shut-off valve (16) and a restrictor valve (18). The restriction of the gaseous fuel (22) takes place inside the fuel reservoir (10).
Abstract:
The invention relates to a method for producing a metal oxide by heating a porous metal-organic framework material, said framework material containing at least one at least bidentate organic compound that is coordinately bound to at least one metal ion and the metal ion being selected from the metals including the 2nd to 4th and 13th group of the periodic system of elements, via the complete decomposition temperature of the framework material. The invention also relates to metal oxides that can be obtained by this method and to the use thereof.
Abstract:
The invention relates to methods for producing a porous metal-organic framework material which contains at least one at least bidentate compound that is coordinately bound to at least one metal ion. Said method comprises the step of reacting at least one metal compound with at least one at least bidentate organic compound which is capable of coordinately binding to the metal. The metal ion of the at least one metal compound is selected from the group of metals including titanium, zirconium, and hafnium. The at least bidentate compound is derived from a di-, tri- or tetracarboxylic acid and the metal compound is an inorganic salt.
Abstract:
The invention relates to a porous metal-organic framework material, containing at least one organic bidentate compound that is coordinately bound to at least one metal ion, the at least one metal ion being zirconium and the at least one at least bidentate organic compound being derived from a di-, tri- or tetracarboxylic acid. The invention also relates to methods for producing said materials and to the use thereof.
Abstract:
The invention relates to a shaped catalyst body for the oxidation of SO 2 into SO 3 , containing vanadium, at least one alkali metal, and sulfate on a silicon dioxide substrate material, wherein the shaped body has the shape of a cylinder having 3 or 4 hollow cylindrical protrusions, obtainable by extruding a catalyst precursor mass, comprising vanadium, at least one alkali metal, and sulfate on a silicon dioxide substrate material, through the opening of an extrusion tool, wherein the opening of the extrusion tool has a cross-section that is formed by 3 or 4 rings, the center points of which lie substantially on a circular line having the diameter y and partially overlap each other, wherein the rings are bounded by an outer line lying on a circle having an outer diameter (x1) and an inner line lying on a circle having an inner diameter (x2).
Abstract:
The present invention relates to a process for the separation of at least one unbranched C4-C2O hydrocarbon from a fluid mixture containing the unbranched hydrocarbon and at least one branched isomer of the unbranched hydrocarbon, which comprises the step of-contacting the fluid mixture with an adsorbent comprising a porous metal organic framework material, which material comprises at least one at least bidentate organic compound coordinately bound to at least one metal ion, to get the unbranched hydrocarbon adsorbed, wherein the at least one at least bidentate organic compound is a monocyclic, bicyclic or polycyclic ring system which is derived from at least one heterocycle selected from the group consisting of pyrrole, alpha-pyridone and gamma-pyridone and has at least two ring nitrogens and is unsubstituted or bears one or more substituents selected independently from the group consisting of halogen, Ci-6-alkyl, phenyl, NH2, NH(d-6-alkyl), N(C1-6-alkyl)2, OH, Ophenyl and OCi-6-alkyl, where the substituents Ci_6-alkyl and phenyl are unsubstituted or bear one or more substituents selected independently from the group consisting of halogen, NH2, NH(d-6-alkyl), N(C1-6-alkyl)2, OH, Ophenyl and OCi-6-alkyl. The present invention also relates to the use of said porous metal-organic framework material in a process for the separation of unbranched hydrocarbons from their branched isomers.
Abstract:
A catalyst for the oxidation of SO 2 to SO 3 , a process for producing it and its use in a process for the oxidation of SO 2 to SO 3 are provided. The catalyst comprises an active substance comprising vanadium, alkali metal compounds and sulfate applied to a support comprising naturally occurring diatomaceous earths, wherein the support comprises at least two different naturally occurring uncalcined diatomaceous earths which differ in terms of the structure type of the siliceous algae from which they are derived.
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.