Basf Se Corporation

Basf Corporation

Tokyo Institute of Technology

Mathias Feyen

Ulrich Mueller

Ulrich Müller

Andrei-Nicolae Parvulescu

Stefan Maurer

Dirk De Vos

Feng-Shou Xiao

Xinhe Bao

Hermann Gies

Weiping Zhang

Toshiyuki Yokoi

Roger Ruetz

Bernd Bastian Schaack

Ekkehard Schwab

Bilge Yilmaz

Sebastian Ahrens

Gabriele Iffland

Natalia Trukhan

Xiulian Pan

Armin Lange De Oliveira

Xiangju Meng

Bianca Seelig

Stefan Marx

Bernd Marler

Sunghee Son

Dirk Gerhard

Ute Kolb

Trees De Baerdemaeker

Chuan Shi

Yong Wang

Michaela Maltry

Ulrich Muller

Robert McGuire

Nicolai Tonio Woerz

Michael Ludwik Lejkowski

Marco Hartmann

Manuela Gaab

Karifala Dumbuya

Jeff H Yang

Yu Dai

Kirsten Spannhoff

Kazuhiko Amakawa

Stefan Dumser

Yong Liu

Faruk Oezkirim

Michael Goebel

Kirsten Braunsmann

Thomas Bein

Karin Möller

Manzoor Sultan

Ryoichi Otomo

Yokoi Toshiyuki

Karin Moller

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 YOand XO, and optionally further comprises one or more zeolites having a CHA framework structure containing YOand XO, and/or comprises, (B) one or more zeolite intergrowth phases of one or more zeolites having a GME framework structure containing YOand XOand one or more zeolites having a CHA framework structure containing YOand XO, 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.

Copper-promoted GMElinite and use thereof in the selective catalytic reduction of NOX

The present invention relates to a process for the preparation of a catalyst for selective catalytic reduction comprising &#x2022; (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, &#x2022; (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.

Catalyst composite and use thereof in the selective catalytic reduction of NO

A zeolitic material having framework type CHA, comprising a transition metal M and an alkali metal A, and having a framework structure comprising a tetravalent element Y, a trivalent element X and O, wherein the transition metal M is a transition I metal of groups 7 to 12 of the periodic table, A is one or more of K and Cs, Y is one or more of Si, Ge, Ti, Sn and Zr, and X is one or more of Al, B, Ga and In. A process for preparing such a zeolitic material. Use of such a zeolitic material.

Zeolitic material having framework type CHA and comprising a transition metal and one or more of potassium and cesium

The present invention relates to a process for the preparation of a zeolitic material having a CHA-type framework structure comprising YOand XO, wherein said process comprises the steps of: (1) providing a mixture comprising one or more sources for YO, one or more sources for XO, one or more optionally substituted ethyltrimethylammonium cation-containing compounds, and one or more tetraalkylammonium cation RRRRN-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, R, and Rindependently from one another stand for alkyl, wherein Rstands for cycloalkyl, and wherein the YO:XOmolar ratio of the mixture in (1) ranges from 2 to 1,000, as well as to zeolitic materials which may be obtained according to the inventive process and to their use.

CHA type zeolitic materials and methods for their preparation using combinations of cycloalkyl  and ethyltrimethylammonium compounds

A process for preparing a zeolitic material containing YOand XO, where Y and X represent a tetravalent element and a trivalent element, respectively, is described. The process includes (1) a step of preparing a mixture containing one or more structure directing agents, seed crystals, and a first zeolitic material containing YOand XOand having FAU-, GIS-, MOR-, and/or LTA-type framework structures; and (2) a step of heating the mixture for obtaining a second zeolitic material containing YOand XOand having a different framework structure than the first zeolitic material. The mixture prepared in (1) and heated in (2) contains 1000 wt % or less of HO based on 100 wt % of YOin the framework structure of the first zeolitic material. A zeolitic material obtainable and/or obtained by the process and its use are also described.

Process for the production of a zeolitic material via solvent-free interzeolitic conversion

The present invention relates to a process for the production of a zeolitic material having a BEA-type framework structure comprising YOand XO, wherein said process comprises the steps of (1) preparing a mixture comprising one or more sources for YOand one or more sources for XO; (2) crystallizing the mixture obtained in step (1); (3) subjecting the zeolitic material having a BEA-type framework structure obtained in step (2) to an ion-exchange procedure with Cu; and (4) subjecting the Cu ion-exchanged zeolitic material obtained in step (3) to an ion-exchange procedure with Fe; wherein Y is a tetravalent element, and X is a trivalent element, wherein the mixture provided in step (1) and crystallized in step (2) further comprises seed crystals comprising one or more zeolitic materials having a BEA-type framework structure, and wherein the mixture provided in step (1) and crystallized in step (2) does not contain an organotemplate as a structure-directing agent, as well as to the zeolitic material having a BEA framework structure per se, and to its use, in particular in a method for the treatment of NOby selective catalytic reduction (SCR).

Bimetal-exchanged zeolite beta from organotemplate-free synthesis and use thereof in the selective catalytic reduction of NO

The present invention relates to a method for the preparation of a treated zeolitic material having a BEA framework structure including the steps of:

Process for the preparation of a dealuminated zeolitic material having the BEA framework structure

The present invention relates to a process for the preparation of a zeolitic material having a CHA-type framework structure comprising YOand XO, wherein said process comprises the steps of:

CHA type zeolitic materials and methods for their preparation using combinations of cycloalkyl-and tetraalkylammonium compounds

The present invention relates to a process for the preparation of a zeolitic material comprising the steps of:

Zeolitic materials and methods for their preparation using alkenyltrialkylammonium compounds

The present invention relates to a catalyst for the conversion of oxygenates to olefins, wherein the catalyst comprises one or more zeolites of the MFI, MEL and/or MWW structure type and particles of one or more metal oxides,

Catalyst and process for the conversion of oxygenates to olefins

The present invention relates to a gas-phase process for the preparation of butadiene comprising

Process for the preparation of butadiene

Aspects of the present invention relate to a process for the preparation of a zeolitic material having a CHA-type framework structure comprising YOand XO, wherein said process comprises the steps of:

CHA-type zeolite materials and methods for their preparation using cycloalkyammonium compounds

The present invention relates to a process for preparing acrylic acid comprising (i) providing a stream comprising a formaldehyde source and acetic acid and (ii) contacting this stream with an aldol condensation catalyst comprising a zeolitic material, wherein the framework structure of the zeolitic material in (ii) includes Si and O, and has a molar Al:Si ratio of 0:1 to 0.001:1, and wherein the framework structure of the zeolitic material in (ii), in addition to Si and any Al, comprises one or more elements selected from the group consisting of tetravalent elements Y other than Si and trivalent elements X other than Al.

Process for preparing acrylic acid using an aluminum-free zeolitic material

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Laudenbach, Germany

Mathias Feyen