B01J29/87

Molecular sieve SSZ-109, its synthesis and use
10214427 · 2019-02-26 · ·

A novel synthetic crystalline molecular sieve designated as SSZ-109 is disclosed. SSZ-109 is synthesized using a structure directing agent comprising one or more of N,N,N,N-tetramethyl-N,N-diisobutylhexane-1,6-diammonium cations, N,N,N,N-tetramethyl-N,N-dineopentylhexane-1,6-diammonium cations, and N,N,N,N-tetramethyl-N-isobutyl-N-neopentylhexane-1,6-diammonium cations.

Titanium-silicalite molecular sieve, method for preparing the same and method for preparing cyclohexanone oxime using the molecular sieve

The present invention provides a titanium-silicalite molecular sieve and a method for preparing the same. The method includes the steps of preparing a mixture of a titanium source, a silicon source, a metal source selected from IIA to IVA elements and a template agent; heating the mixture to form a gel mixture; heating the gel mixture in a water bath; and calcining the gel mixture after the gel mixture in the water bath to form the titanium-silicalite molecular sieve. The present invention further provides a method for preparing cyclohexanone oxime by using the titanium-silicalite molecular sieve as the catalyst which results in high conversion rate, high selectivity and high usage efficiency of hydrogen peroxide.

Carbonylation catalyst and process
10207260 · 2019-02-19 · ·

Carbonylation process for producing methyl acetate, by contacting dimethyl ether and carbon monoxide under carbonylation conditions in the presence of a catalyst having a zeolite of micropore volume of 0.01 ml/g. The zeolite is an as-synthesized organic structure directing agent-containing zeolite and contains at least one channel which is defined by an 8-member ring.

Carbonylation catalyst and process
10207260 · 2019-02-19 · ·

Carbonylation process for producing methyl acetate, by contacting dimethyl ether and carbon monoxide under carbonylation conditions in the presence of a catalyst having a zeolite of micropore volume of 0.01 ml/g. The zeolite is an as-synthesized organic structure directing agent-containing zeolite and contains at least one channel which is defined by an 8-member ring.

Mesoporous MFI-zeolite catalysts, methods of preparing the same and uses

The invention relates to a novel zeolite catalysts, methods of producing the zeolite catalysts and a methods of using such catalyst, including for production of BTEX with improved yield, product selectivity and reduced char production. The present invention relates to novel mesoporous zeolite catalysts, as well as methods of producing the same. The present invention also relates to methods of producing renewable aromatic hydrocarbons using such catalysts.

Mesoporous MFI-zeolite catalysts, methods of preparing the same and uses

The invention relates to a novel zeolite catalysts, methods of producing the zeolite catalysts and a methods of using such catalyst, including for production of BTEX with improved yield, product selectivity and reduced char production. The present invention relates to novel mesoporous zeolite catalysts, as well as methods of producing the same. The present invention also relates to methods of producing renewable aromatic hydrocarbons using such catalysts.

EMM-23 MATERIALS AND PROCESSES AND USES THEREOF
20190031519 · 2019-01-31 ·

The disclosure is related to various modified EMM-23 materials, processes, and uses of the same.

EMM-23 MATERIALS AND PROCESSES AND USES THEREOF
20190031519 · 2019-01-31 ·

The disclosure is related to various modified EMM-23 materials, processes, and uses of the same.

Process for preparing a hierarchical zeolite catalyst for aromatization of C5-C9 alkane

A process for preparing a hierarchical zeolite catalyst for aromatization of C5-C9 alkane that provides high conversion percentage of precursor to yields and high aromatics selectivity, wherein said process comprises the following steps: (a) preparing a solution containing alumina compound, silica compound, and soft template; (b) subjecting the mixture obtained from step (a) to hydrothermal process at determined time and temperature to form said mixture into the hierarchical zeolite; (c) contacting the hierarchical zeolite obtained from step (b) with ammonium salt solution; and (d) contacting the hierarchical zeolite obtained from step (c) with gallium salt solution; wherein the soft template in step (a) is a quaternary phosphonium salt in which the mole ratio of the silica compound to the alumina compound in step (a) is in a range of 20 to 120 and the gallium salt in step (d) has gallium to zeolite ratio in a range of 0.5 to 5% by weight.

Process for preparing a hierarchical zeolite catalyst for aromatization of C5-C9 alkane

A process for preparing a hierarchical zeolite catalyst for aromatization of C5-C9 alkane that provides high conversion percentage of precursor to yields and high aromatics selectivity, wherein said process comprises the following steps: (a) preparing a solution containing alumina compound, silica compound, and soft template; (b) subjecting the mixture obtained from step (a) to hydrothermal process at determined time and temperature to form said mixture into the hierarchical zeolite; (c) contacting the hierarchical zeolite obtained from step (b) with ammonium salt solution; and (d) contacting the hierarchical zeolite obtained from step (c) with gallium salt solution; wherein the soft template in step (a) is a quaternary phosphonium salt in which the mole ratio of the silica compound to the alumina compound in step (a) is in a range of 20 to 120 and the gallium salt in step (d) has gallium to zeolite ratio in a range of 0.5 to 5% by weight.