Composite catalysts includes zeolite particles at least partially embedded in a catalyst support material and at least one catalytically active compound deposited on the outer surfaces and pore surfaces of the catalyst support material, zeolite particles, or both. A method of making the composite catalysts may include preparing a catalyst precursor mixture that includes the zeolite, catalyst support material, triblock copolymer surfactant, and the catalytically active compound precursor and spray drying the catalyst precursor mixture. The composite catalysts may be used as a single catalyst for conducting olefin metathesis and cracking reactions. A method for producing propene may include contacting a butene-containing feed with the composite catalysts.

A process for preparing a zeolitic material having framework type AEI and having a framework structure which comprises a tetravalent element Y, a trivalent element X, and oxygen, said process comprising (i) providing a zeolitic material having framework type CHA and having a framework structure comprising the tetravalent element Y, the trivalent element X, and oxygen; (ii) preparing a synthesis mixture comprising the zeolitic material provided in (i), water, a source of the tetravalent element Y other than the zeolitic material provided in (i), and an AEI framework structure directing agent; (ili) subjecting the synthesis mixture prepared in (ii) to hydrothermal synthesis conditions comprising heating the synthesis mixture to a temperature in the range of from 100 to 200° C. and keeping the synthesis mixture at a temperature in this range under autogenous pressure, obtaining the zeolitic material having framework type AEI; wherein Y is one or more of Si, Ge, Sn, Ti, Zr; wherein X is one or more of Al, B, Ga, In; wherein in the framework structure of the zeolitic material provided in (i), the molar ratio Y:X, calculated as YO2: X2O3, is at most 20:1 and, wherein; the process further comprises supporting a metal M selected from the transition metals of groups 7 to 12 of the periodic system of elements.

The present invention relates to a rare earth element containing zeolitic material having a framework structure selected from the group consisting of AEI, AFT, AFV, AFX, AVL, CHA, EMT, GME, KFI, LEV, LTN, and SFW, including mixtures of two or more thereof, the framework structure of the zeolitic material comprising SiO.sub.2 and X.sub.2O.sub.3, wherein X stands for a trivalent element, wherein the zeolitic material displays an SiO.sub.2:X.sub.2O molar ratio in the range of from 2 to 20, and wherein the zeolitic material contains one or more rare earth elements as counter-ions at the ion exchange sites of the framework structure. Furthermore, the present invention relates to a process for the production of the inventive rare earth element containing zeolitic material as well as to the use of the inventive rare earth element containing zeolitic material.

The present disclosure provides catalyst compositions for NO.sub.x conversion and wall-flow filter substrates comprising such catalyst compositions. Certain catalyst compositions include a zeolite with sufficient Cu exchanged into cation sites thereof to give a Cu/Al ratio of 0.1 to 0.5 and a CuO loading of 1 to 15 wt. %; and a copper trapping component (e.g., alumina) including a plurality of particles having a D.sub.90 particle size of about 0.5 to 20 microns in a concentration of about 1 to 20 wt. %. The zeolite and copper trapping component can be in the same washcoat layer or can be in different washcoat layers (such that the copper trapping component serves as a “pre-coating” on the wall-flow filter substrate).

The present disclosure discloses a MFI topological structure silicon molecular sieve, a preparation method thereof and a catalyst containing the MFI topological structure silicon molecular sieve, wherein the molecular sieve containing a silicon element, an oxygen element and a metallic element, the ions of said metallic element have a Lewis acid characteristic; the content of the metallic element in the molecular sieve is within a range of 5-100 μg/g based on the total amount of the molecular sieve; the BET specific surface area of the molecular sieve is within a range of 400-500 m.sup.2/g.

A method for making a functional structural body includes a skeletal body of a porous structure composed of a zeolite-type compound, and at least one type of metallic nanoparticles present in the skeletal body, the skeletal body having channels connecting with each other, the metallic nanoparticles being present at least in the channels of the skeletal body.

A process for contacting a feed stream comprising an oxygenate feedstock and an aromatic feedstock comprising toluene with a catalyst and recovering a product comprising para-xylene. The catalyst comprises an improved MFI zeolite comprising in the calcined and ion-exchanged form a SiO.sub.2/Al.sub.2O.sub.3 ratio of from about 50 to about 600 and having a distribution of framework aluminum sites characterized by an initial xylene selectivity of greater than 70% in the TM diagnostic test.

The present disclosure provides a modified catalyst, and preparation method and a method for producing aromatic hydrocarbons by aromatization of olefins using the modified catalyst. The modified catalyst comprises an acidic molecular sieve and an olefin aromatization active metal component, the total acid amount of the catalyst as measured by NH.sub.3-TPD method is not higher than 0.35 mmol/g, and ratio of the strong acid to weak acid is within a range of 0.8-1.2.

An integrated process for making styrene and propene oxide which comprises the steps: a) dehydrogenating ethylbenzene in the presence of a dehydrogenation catalyst; b) separating styrene and hydrogen from the reaction mixture of step a); c) producing hydrogen peroxide from hydrogen separated in step b) and oxygen; d) reacting propene with the hydrogen peroxide obtained in step c) in the presence of an epoxidation catalyst to provide a reaction mixture comprising propene oxide; and e) separating propene oxide from the reaction mixture obtained in step d).

The present disclosure relates to a process for preparing a zeolitic material having framework type AEI and having a framework structure which comprises a tetravalent element Y, a trivalent element X, and O. Further, the present invention disclosure relates to a zeolitic material having framework type AEI and having a framework structure which comprises a tetravalent element Y, a trivalent element X, and O, preferably obtained by the process, and further relates to the use of the zeolitic material as a catalytically active material, as a catalyst, or as a catalyst component.