The present invention relates to a catalyst for producing light olefins from catalytic cracking of hydrocarbon having 4 to 7 carbon atoms, wherein said catalyst comprises zeolite having the ring arrangement of 8 to 10 silicon atoms and hierarchical zeolite comprising 0.1 to 2 nm of micropore, 2 to 50 nm of mesopore, and greater than 50 nm of macropore, wherein the mesopore and macropore are greater than or equal to 40% when comparing to total pore volume, and said catalyst comprises element having 2.sup.+ to 4.sup.+ oxidation state with 0.1 to 3% by weight of the catalyst.

The present invention relates to catalyst comprising one or more metal oxides and/or metalloid oxides and a zeolitic material having the CHA framework structure comprising YO.sub.2 and X.sub.2O.sub.3, wherein Y is a tetravalent element and X is a trivalent element, wherein the zeolitic material comprises one or more alkaline earth metals selected from the group consisting of Mg, Ca, Sr, Ba, and combinations of two or more thereof, and wherein the framework of the zeolitic material comprised in the catalyst contains substantially no phosphorous, as well as to a process for the preparation of a catalyst comprising one or more alkaline earth metals selected from the group consisting of Mg, Ca, Sr, Ba, and combinations of two or more thereof and to a catalyst obtainable therefrom. Furthermore, the present invention relates to a method for the conversion of oxygenates to olefins employing the inventive catalyst, as well as to the use of the inventive catalyst in specific applications.

A novel catalyst composition and its use in the oligomerization reactions of light alkenes to higher molecular weight hydrocarbons. The catalyst comprises boron added to an Al-containing or Ga-containing or Fe-containing support. The catalyst composition is an active and selective catalyst for the catalytic oligomerization reactions of light alkenes to higher molecular weight hydrocarbons.

A novel catalyst composition and its use in the oligomerization reactions of light alkenes to higher molecular weight hydrocarbons. The catalyst comprises boron added to an Al-containing or Ga-containing or Fe-containing support. The catalyst composition is an active and selective catalyst for the catalytic oligomerization reactions of light alkenes to higher molecular weight hydrocarbons.

A new crystalline aluminosilicate zeolite comprising a novel framework has been synthesized that has been designated UZM-55. This zeolite is represented by a three-dimensional framework of at least SiO.sub.2 tetrahedral units and an empirical composition in the as-synthesized and anhydrous basis expressed by an empirical formula of:
M.sub.m.sup.n+R.sub.rAl.sub.xE.sub.ySiO.sub.z
where M represents a metal or metals from zinc or Group 1 (IUPAC 1), Group 2 (IUPAC 2), Group 3 (IUPAC 3) or the lanthanide series of the periodic table, R is a structure directing agent or agents such as 1,6-bis(N-methylpiperidinium)hexane, and E is an element selected from the group consisting of gallium, iron, boron and mixtures thereof. Catalysts made from UZM-55 have utility in various hydrocarbon conversion reactions including methanol to hydrocarbons (MTH).

The present invention relates to catalyst comprising one or more metal oxides and/or metalloid oxides and a zeolitic material having the CHA framework structure comprising YO.sub.2 and X.sub.2O.sub.3, wherein Y is a tetravalent element and X is a trivalent element, wherein the zeolitic material comprises one or more alkaline earth metals selected from the group consisting of Mg, Ca, Sr, Ba, and combinations of two or more thereof, and wherein the framework of the zeolitic material comprised in the catalyst contains substantially no phosphorous, as well as to a process for the preparation of a catalyst comprising one or more alkaline earth metals selected from the group consisting of Mg, Ca, Sr, Ba, and combinations of two or more thereof and to a catalyst obtainable therefrom. Furthermore, the present invention relates to a method for the conversion of oxygenates to olefins employing the inventive catalyst, as well as to the use of the inventive catalyst in specific applications.

The present invention relates to an SCM-10 molecular sieve, a process for producing same and use thereof. The molecular sieve has an empirical chemical composition as illustrated by the formula the first oxide.Math.the second oxide, wherein the ratio by molar of the first oxide to the second oxide is less than 40, the first oxide is at least one selected from the group consisting of silica and germanium dioxide, the second oxide is at least one selected from the group consisting of alumina, boron oxide, iron oxide, gallium oxide, titanium oxide, rare earth oxides, indium oxide and vanadium oxide. The molecular sieve has specific XRD pattern and can be used as an adsorbent or a catalyst for converting an organic compound.

The present invention relates to a molecular sieve having the SFE structure, a process for producing same and use thereof. The process includes a step of crystallizing a mixture comprising a first oxide source, a second oxide source, an organic template and water to obtain a molecular sieve having the SFE structure, wherein the organic template is preferably 4-dimethylamino pyridine. As compared with the prior art, the process exhibits such merits as significantly reduced crystallization duration.

A new crystalline aluminosilicate zeolite comprising a novel framework has been synthesized that has been designated UZM-55. This zeolite is represented by a three-dimensional framework of at least SiO.sub.2 tetrahedral units and an empirical composition in the as-synthesized and anhydrous basis expressed by an empirical formula of:

M.sub.m.sup.n+R.sub.rAl.sub.xE.sub.ySiO.sub.z

where M represents a metal or metals from zinc or Group 1 (IUPAC 1), Group 2 (IUPAC 2), Group 3 (IUPAC 3) or the lanthanide series of the periodic table, R is a structure directing agent or agents such as 1,6-bis(N-methylpiperidinium)hexane, and E is an element selected from the group consisting of gallium, iron, boron and mixtures thereof. Catalysts made from UZM-55 have utility in various hydrocarbon conversion reactions including methanol to hydrocarbons (MTH).

The present invention relates to a gas-phase process for the preparation of butadiene comprising (i) providing a gas stream G-1 comprising ethanol; (ii) contacting the gas stream G-1 comprising ethanol with a catalyst, thereby obtaining a gas stream G-2 comprising butadiene, wherein the catalyst comprises a zeolitic material having a framework structure comprising YO.sub.2, Y standing for one or more tetravalent elements, wherein at least a portion of Y comprised in the framework structure is isomorphously substituted by one or more elements X, as well as to a zeolitic material having a framework structure comprising YO.sub.2, Y standing for one or more tetravalent elements, wherein at least a portion of Y comprised in the framework structure is isomorphously substituted by one or more elements X, wherein the zeolitic material displays a specific X-ray powder diffraction pattern, and to its use.