Abstract: A catalyst for the selective catalytic reduction of NOx comprises a zeolitic material which comprises (A) one or more zeolites having a GME framework structure containing YO2 and X2O3, and optionally further comprises one or more zeolites having a CHA framework structure containing YO2 and X2O3, and/or comprises, (B) one or more zeolite intergrowth phases of one or more zeolites having a GME framework structure containing YO2 and X2O3 and one or more zeolites having a CHA framework structure containing YO2 and X2O3, wherein Y is a tetravalent element, and X is a trivalent element, and the zeolitic material contains Cu and/or Fe as non-framework elements in an amount ranging from 0.1 to 15 wt. % calculated as the element and based on 100 wt. % of YO contained in the zeolitic material. Also provided are a process for its preparation, and a use in a method for the selective catalytic reduction of NOx.

Abstract: The present invention relates to a process for the preparation of a catalyst for selective catalytic reduction comprising • (i) preparing a mixture comprising a metal-organic framework material comprising an ion of a metal or metalloid selected from groups 2-5, groups 7-9, and groups 11-14 of the Periodic Table of the Elements, and at least one at least monodentate organic compound, a zeolitic material containing a metal as a non-framework element, optionally a solvent system, and optionally a pasting agent, • (ii) calcining of the mixture obtained in (i); and further relates to a catalyst per se comprising a composite material containing an amorphous mesoporous metal and/or metalloid oxide and a zeolitic material, wherein the zeolitic material contains a metal as non-framework element, as well as to the use of said catalyst.

Abstract: A process for the preparation of a zeolitic material having a FAU-type framework structure comprising YO2 and X2O3, comprising: (a) preparing a mixture comprising one or more sources of YO2, one or more sources of X2O3, and one or more structure directing agents (SDA); (b) crystallizing the zeolitic material from the mixture obtained in (a); wherein Y is a tetravalent element and X is a bivalent element, and wherein the one or more structure directing agents comprise one or more isomers of diaminomethylcyclohexane. A zeolitic material having an FAU-type framework structure obtained according to the inventive process; processes for preparing a coated substrate and a shaped body, respectively, from the zeolitic material having a FAU-type framework structure obtained according to the inventive process and, a method for selectively reducing nitrogen oxides NOx employing said zeolitic material.

Abstract: Described is a selective catalytic reduction material comprising a spherical particle including an agglomeration of crystals of a molecular sieve. The catalyst is a crystalline material that is effective to catalyze the selective catalytic reduction of nitrogen oxides in the presence of a reductant at temperatures between 200° C. and 600° C. A method for selectively reducing nitrogen oxides and an exhaust gas treatment system are also described.

Abstract: A composition comprising a ternary intermetallic compound X2YZ, wherein X, Y, and Z are different from one another; X being selected from the group consisting of Mn, Fe, Co, Ni, Cu, and Pd; Y being selected from the group consisting of Cr, Co, and Ni; and Z being selected from the group consisting of Al, Si, Ga, Ge, In, Sn, Zn, and Sb; wherein the ternary intermetallic compound is supported on a porous oxidic support material. The composition may be prepared by providing a liquid mixture of sources of X, Y, and Z, and the porous oxidic support material, removing the liquid and heating the resulting mixture in a reducing atmosphere. The composition is useful as catalyst.

Abstract: The present invention relates to a process for the preparation of a zeolitic material having a FAU-type framework M structure comprising YO2 and X2O3, said process comprising: (a) preparing a mixture comprising one or more sources of YO2, one or more sources of X2O3, and one or more structure directing agents (SDA); (b) crystallizing the zeolitic material from the mixture obtained in (a); wherein Y is a tetravalent element and X is a trivalent element, and wherein the one or more structure directing agents comprise one or more isomers of diaminomethylcyclohexane as well as to a zeolitic material having an FAU-type framework structure obtainable and/or obtained according to the inventive process, to processes for preparing a coated substrate and a shaped body, respectively, from the zeolitic material having a FAU-type framework structure obtainable and/or obtained according to the inventive process, as well as to a method for selectively reducing nitrogen oxides NOx employing said zeolitic material.

Abstract: The present invention relates to a process for the preparation of a catalyst for selective catalytic reduction comprising• (i) preparing a mixture comprising a metal-organic framework material comprising an ion of a metal or metalloid selected from groups 2-5, groups 7-9, and groups 11-14 of the Periodic Table of the Elements, and at least one at least monodentate organic compound, a zeolitic material containing a metal as a non-framework element, optionally a solvent system, and optionally a pasting agent,• (ii) calcining of the mixture obtained in (i); and further relates to a catalyst per se comprising a composite material containing an amorphous mesoporous metal and/or metalloid oxide and a zeolitic material, wherein the zeolitic material contains a metal as non-framework element, as well as to the use of said catalyst.

Abstract: A catalyst for the selective catalytic reduction of NOx comprises a zeolitic material which comprises (A) one or more zeolites having a GME framework structure containing YO2 and X2O3, and optionally further comprises one or more zeolites having a CHA framework structure containing YO2 and X2O3, and/or comprises, (B) one or more zeolite intergrowth phases of one or more zeolites having a GME framework structure containing YO2 and X2O3 and one or more zeolites having a CHA framework structure containing YO2 and X2O3, wherein Y is a tetravalent element, and X is a trivalent element, and the zeolitic material contains Cu and/or Fe as non-framework elements in an amount ranging from 0.1 to 15 wt. % calculated as the element and based on 100 wt. % of YO contained in the zeolitic material. Also provided are a process for its preparation, and a use in a method for the selective catalytic reduction of NOx.

Abstract: The present invention relates to a process for preparing at least one sheet silicate comprising Ga and/or Zn, and based thereon, a framework silicate, preferably of the RRO structure type, to the sheet silicate and framework silicate themselves and to the uses of the silicates, especially of the framework silicate, preferably as catalysts.

Abstract: The present invention relates to a catalyst comprising particles of a ternary intermetallic compound of the following formula (I): X2YZ wherein X, Y, and Z are different from one another; X being selected from the group consisting of Mn, Fe, Co, Ni, Cu, and Pd; Y being selected from the group consisting of V, Mn, Cu, Ti, and Fe; and Z being selected from the group consisting of Al, Si, Ga, Ge, In, Sn, and Sb; wherein the particles of the ternary intermetallic compound are supported on a support material, as well as to a method for its production and to its use as a catalyst, and more specifically as a catalyst in a process for the condensation of a carbonyl compound with a methylene group containing compound or for the selective catalytic reduction of nitrogen oxides in exhaust gas.

Abstract: Described is a selective catalytic reduction material comprising a spherical particle including an agglomeration of crystals of a molecular sieve. The catalyst is a crystalline material that is effective to catalyze the selective catalytic reduction of nitrogen oxides in the presence of a reductant at temperatures between 200° C. and 600° C. A method for selectively reducing nitrogen oxides and an exhaust gas treatment system are also described.

Abstract: Described is a selective catalytic reduction material comprising a spherical particle including an agglomeration of crystals of a molecular sieve. The catalyst is a crystalline material that is effective to catalyze the selective catalytic reduction of nitrogen oxides in the presence of a reductant at temperatures between 200° C. and 600° C. A method for selectively reducing nitrogen oxides and an exhaust gas treatment system are also described.

Abstract: The present invention relates to porous metallic frameworks comprising at least one at least bidentate organic compound coordinated to at least one metal ion, wherein the at least one at least bidentate organic compound is derived from 2,5-furandicarboxylic acid or 2,5-thiophenedicarboxylic acid. The present invention further relates to shaped bodies comprising these frameworks, processes for producing them and their use, in particular for the storage and separation of gases.

Abstract: The present invention relates to a process for preparing at least one sheet silicate comprising Ga and/or Zn, and based thereon, a framework silicate, preferably of the RRO structure type, to the sheet silicate and framework silicate themselves and to the uses of the silicates, especially of the framework silicate, preferably as catalysts.

Abstract: A process for the preparation of a copper containing zeolitic material having CHA framework structure and a composition comprising the molar ratio (n YO2):X2O3 wherein X is a trivalent element, preferably Al, Y is a tetravalent element, preferably Si, and wherein n is preferably at least 20, and wherein the calcined material comprises crystallites having edges, and at least 90% of the crystallites have edges with a mean length in the range of from 1 to 5 micrometer. The process comprising the preparation of an phosphor-free aqueous solution containing at least one source for X2O3 and at least one source for YO2, at least one structure directing agent suitable for the preparation of a zeolitic material having CHA framework structure, and at least one Cu source, and the process further comprising the hydrothermal crystallization of said aqueous solution obtaining a suspension containing the copper containing zeolitic material having CHA framework structure.

Abstract: The present invention relates to a process for preparing at least one sheet silicate comprising Ga and/or Zn, and based thereon, a framework silicate, preferably of the RRO structure type, to the sheet silicate and framework silicate themselves and to the uses of the silicates, especially of the framework silicate, preferably as catalysts.

Abstract: Described is a selective catalytic reduction material comprising a spherical particle including an agglomeration of crystals of a molecular sieve. The catalyst is a crystalline material that is effective to catalyze the selective catalytic reduction of nitrogen oxides in the presence of a reductant at temperatures between 200° C. and 600° C. A method for selectively reducing nitrogen oxides and an exhaust gas treatment system are also described.

Abstract: Described 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: A process for the preparation of a copper containing zeolitic material having CHA framework structure and a composition comprising the molar ratio (n YO2):X2O3 wherein X is a trivalent element, preferably Al, Y is a tetravalent element, preferably Si, and wherein n is preferably at least 20, the process comprising the preparation of an phosphor-free aqueous solution containing at least one source for X2O3 and at least one source for YO2, at least one structure directing agent suitable for the preparation of a zeolitic material having CHA framework structure, and at least one Cu source, and the process further comprising the hydrothermal crystallization of said aqueous solution obtaining a suspension containing the copper containing zeolitic material having CHA framework structure.

Abstract: A process for the preparation of a copper containing zeolitic material having CHA framework structure and a composition comprising the molar ratio (n YO2):X203 wherein X is a trivalent element, preferably Al, Y is a tetravalent element, preferably Si, and wherein n is preferably at least 20. The process comprising the preparation of an phosphor-free aqueous solution containing at least one source for X203 and at least one source for YO2, at least one structure directing agent suitable for the preparation of a zeolitic material having CHA framework structure, and at least one Cu source, and the process further comprising the hydrothermal crystallization of said aqueous solution obtaining a suspension containing the copper containing zeolitic material having CHA framework structure.