B01J29/24

Nano-sized zeolite supported catalysts and methods for their production

According to one or more embodiments described, a zeolite supported catalyst may be synthesized by a process that includes combining a colloidal mixture with a metal oxide support material to form a support precursor material, processing the support precursor material to form a support material, and impregnating the support material with one or more metals to form the zeolite supported catalyst. The colloidal mixture may include nano-sized zeolite crystals, and the nano-sized zeolite crystals may have an average size of less than 100 nm.

Nano-sized zeolite supported catalysts and methods for their production

According to one or more embodiments described, a zeolite supported catalyst may be synthesized by a process that includes combining a colloidal mixture with a metal oxide support material to form a support precursor material, processing the support precursor material to form a support material, and impregnating the support material with one or more metals to form the zeolite supported catalyst. The colloidal mixture may include nano-sized zeolite crystals, and the nano-sized zeolite crystals may have an average size of less than 100 nm.

CATALYST CONTAINING LF-TYPE B ACID AND METHOD FOR PREPARING ETHYLENE USING DIRECT CONVERSION OF SYNGAS
20200346993 · 2020-11-05 ·

A catalyst containing LF-type B acid preparing ethylene using direct conversion of syngas is a composite catalyst and formed by compounding component A and component B in a mechanical mixing mode. The active ingredient of the component A is a metal oxide; the component B is a zeolite of MOR topology; and a weight ratio of the active ingredients in the component A to the component B is 0.1-20. The reaction process has an extremely high product yield and selectivity, with the selectivity for light olefin reaching 80-90%, wherein ethylene has high space time yield and can reach selectivity of 75-80%. Meanwhile, the selectivity for a methane side product is extremely low (<15%).

CATALYST CONTAINING LF-TYPE B ACID AND METHOD FOR PREPARING ETHYLENE USING DIRECT CONVERSION OF SYNGAS
20200346993 · 2020-11-05 ·

A catalyst containing LF-type B acid preparing ethylene using direct conversion of syngas is a composite catalyst and formed by compounding component A and component B in a mechanical mixing mode. The active ingredient of the component A is a metal oxide; the component B is a zeolite of MOR topology; and a weight ratio of the active ingredients in the component A to the component B is 0.1-20. The reaction process has an extremely high product yield and selectivity, with the selectivity for light olefin reaching 80-90%, wherein ethylene has high space time yield and can reach selectivity of 75-80%. Meanwhile, the selectivity for a methane side product is extremely low (<15%).

ORGANIC BASE MODIFIED COMPOSITE CATALYST AND METHOD FOR PRODUCING ETHYLENE BY HYDROGENATION OF CARBON MONOXIDE
20200346992 · 2020-11-05 ·

An organic base modified composite catalyst for producing ethylene by hydrogenation of carbon monoxide is a composite catalyst and formed by compounding component I and component II in a mechanical mixing mode. The active ingredient of the component I is a metal oxide; the component II is an organic base modified zeolite of MOR topology; and a weight ratio of the active ingredients in the component I to the component II is 0.1-20, and preferably 0.3-8. The reaction process has an extremely high product yield and selectivity. The selectivity of C.sub.2-C.sub.3 olefins is as high as 78-87%; the selectivity of hydrocarbon products with more than 4 C atoms is less than 10%; the selectivity of a methane side product is extremely low (<9%); and meanwhile, the selectivity of the ethylene is 75-82%.

ORGANIC BASE MODIFIED COMPOSITE CATALYST AND METHOD FOR PRODUCING ETHYLENE BY HYDROGENATION OF CARBON MONOXIDE
20200346992 · 2020-11-05 ·

An organic base modified composite catalyst for producing ethylene by hydrogenation of carbon monoxide is a composite catalyst and formed by compounding component I and component II in a mechanical mixing mode. The active ingredient of the component I is a metal oxide; the component II is an organic base modified zeolite of MOR topology; and a weight ratio of the active ingredients in the component I to the component II is 0.1-20, and preferably 0.3-8. The reaction process has an extremely high product yield and selectivity. The selectivity of C.sub.2-C.sub.3 olefins is as high as 78-87%; the selectivity of hydrocarbon products with more than 4 C atoms is less than 10%; the selectivity of a methane side product is extremely low (<9%); and meanwhile, the selectivity of the ethylene is 75-82%.

HEAT SOURCE DEVICE AND METHOD FOR USING SILVER ZEOLITE
20200269223 · 2020-08-27 ·

Provided is a new heat source device that utilizes the catalytic reaction heat as a heat source for industries. The heat source device 100 utilizing the catalytic reaction heat of silver zeolite 1 includes an accommodation container 10 for accommodating the silver zeolite 1 while ensuring air permeability, wherein the accommodation container 10 is configured to be ventilated with a mixed gas G containing hydrogen, steam, and air. The mixed gas has a hydrogen concentration of 1 to 20% by volume, a steam concentration of 1 to 95% by volume, an air concentration of 1 to 95% by volume, and a temperature of 100 C. or higher.

HEAT SOURCE DEVICE AND METHOD FOR USING SILVER ZEOLITE
20200269223 · 2020-08-27 ·

Provided is a new heat source device that utilizes the catalytic reaction heat as a heat source for industries. The heat source device 100 utilizing the catalytic reaction heat of silver zeolite 1 includes an accommodation container 10 for accommodating the silver zeolite 1 while ensuring air permeability, wherein the accommodation container 10 is configured to be ventilated with a mixed gas G containing hydrogen, steam, and air. The mixed gas has a hydrogen concentration of 1 to 20% by volume, a steam concentration of 1 to 95% by volume, an air concentration of 1 to 95% by volume, and a temperature of 100 C. or higher.

Process for preparing a molecular sieve

A process for converting a feedstock comprising an organic compound to a conversion product by contacting said feedstock at organic compound conversion conditions with a catalyst comprising a mordenite zeolite having a mesoporous surface area of greater than 30 m.sup.2/g and an average primary crystal size as measured by TEM of less than 80 nm.

Process for preparing a molecular sieve

A process for converting a feedstock comprising an organic compound to a conversion product by contacting said feedstock at organic compound conversion conditions with a catalyst comprising a mordenite zeolite having a mesoporous surface area of greater than 30 m.sup.2/g and an average primary crystal size as measured by TEM of less than 80 nm.