B01J2229/22

RARE EARTH-CONTAINING Y ZEOLITE, PREPARATION PROCESS THEREOF, AND CATALYTIC CRACKING CATALYST CONTAINING THE ZEOLITE
20220250924 · 2022-08-11 ·

A rare earth-containing Y zeolite has at least two mesopore pore-size distributions at 2-3 nanometers and 3-4 nanometers. A catalytic cracking catalyst contains the rare earth-containing Y zeolite. When used in the catalytic cracking of heavy oil, the catalytic cracking catalyst provided has excellent heavy oil conversion ability, higher gasoline yield, and lower coke selectivity.

MODIFIED ZSM-5 CATALYST FOR CONVERTING LIGHT HYDROCARBONS TO LIQUID FUELS
20220111368 · 2022-04-14 · ·

Methods for modifying a ZSM-5 zeolite by contacting the zeolite with an alkaline solution prior to combining with a binder material to produce a modified ZSM-5 catalyst extrudate that has substantially longer catalyst life, relative to an untreated ZSM-5 catalyst, for converting light olefins to products that may be used as a liquid transportation fuel blend stock. The alkaline solution is optionally sodium hydroxide. The binder is optionally alumina, bentonite or silica.

Methods for producing multifunctional catalysts for upgrading pyrolysis oil
11130119 · 2021-09-28 · ·

A method of making a multifunctional catalyst for upgrading pyrolysis oil includes contacting a zeolite support with a solution including at least a first metal catalyst precursor and a second metal catalyst precursor, the first metal catalyst precursor, the second metal catalyst precursor, or both, including a heteropolyacid. Contacting the zeolite support with the solution deposits or adsorbs the first metal catalyst precursor and the second catalyst precursor onto outer surfaces and pore surfaces of the zeolite support to produce a multifunctional catalyst precursor. The method further includes removing excess solution from the multifunctional catalyst precursor and calcining the multifunctional catalyst precursor to produce the multifunctional catalyst comprising at least a first metal catalyst and a second metal catalyst deposited on the outer surfaces and pore surfaces of the zeolite support.

HOLLOW ZEOLITES CATALYSTS FOR THE PRODUCTION OF ALKL AROMATIC COMPOUNDS FROM AROMATIC HYDOCARBONS AND OLEFINS
20210213435 · 2021-07-15 ·

Supported catalysts, methods of making and using are described herein. A supported catalyst can include a metal nanostructure, an oxide, or an alloy thereof, having a Lewis acid active site capable of catalyzing the formation of an alkyl aromatic compound from an aromatic hydrocarbon and an olefin, and an inert hollow zeolite support. The inert hollow zeolite support has a peripheral shell with an exterior surface and an interior surface that defines and encloses a hollow space within the interior of the shell, where the metal nanostructure, or an oxide or an alloy thereof is comprised in the hollow space.

Composite hierarchical zeolite catalyst for heavy reformate conversion to xylenes

A method of producing a hierarchical zeolite composite catalyst. The method including dissolving, in an alkaline solution and in the presence of a surfactant, a catalyst precursor comprising mesoporous zeolite to yield a dissolved zeolite solution, where the mesoporous zeolite comprises large pore mordenite and medium pore ZSM-5. The method also including condensing the dissolved zeolite solution to yield a solid zeolite composite from the dissolved zeolite solution and heating the solid zeolite composite to remove the surfactant. The method further including impregnating the solid zeolite composite with one or more active metals selected from the group consisting of molybdenum, platinum, rhenium, nickel, and combinations thereof to yield impregnated solid zeolite composite and calcining the impregnated solid zeolite composite to produce the hierarchical zeolite composite catalyst. The hierarchical zeolite composite catalyst has a mesostructure comprising at least one disordered mesophase and at least one ordered mesophase.

Methods for producing mesoporous zeolite multifunctional catalysts for upgrading pyrolysis oil

A method of making a multifunctional catalyst for upgrading pyrolysis oil includes contacting a hierarchical mesoporous zeolite support with a solution including at least a first metal catalyst precursor and a second metal catalyst precursor, each or both of which may include a heteropolyacid. The hierarchical mesoporous zeolite support may have an average pore size of from 2 nm to 40 nm. Contacting the hierarchical mesoporous zeolite support with the solution deposits or adsorbs the first metal catalyst precursor and the second catalyst precursor onto outer surfaces and pore surfaces of the hierarchical mesoporous zeolite support to produce a multifunctional catalyst precursor. The method further includes removing excess solution and calcining the multifunctional catalyst precursor to produce the multifunctional catalyst comprising at least a first metal catalyst and a second metal catalyst deposited on the outer surfaces and pore surfaces of the hierarchical mesoporous zeolite support.

Methods for producing multifunctional catalysts for upgrading pyrolysis oil
11027271 · 2021-06-08 · ·

A method of making a multifunctional catalyst for upgrading pyrolysis oil includes contacting a zeolite support with a solution including at least a first metal catalyst precursor and a second metal catalyst precursor, the first metal catalyst precursor, the second metal catalyst precursor, or both, including a heteropolyacid. Contacting the zeolite support with the solution deposits or adsorbs the first metal catalyst precursor and the second catalyst precursor onto outer surfaces and pore surfaces of the zeolite support to produce a multifunctional catalyst precursor. The method further includes removing excess solution from the multifunctional catalyst precursor and calcining the multifunctional catalyst precursor to produce the multifunctional catalyst comprising at least a first metal catalyst and a second metal catalyst deposited on the outer surfaces and pore surfaces of the zeolite support.

Composite hierarchical zeolite catalyst for heavy reformate conversion to xylenes

A method of producing a hierarchical zeolite composite catalyst is provided. The method includes dissolving, in an alkaline solution and in the presence of a surfactant, a catalyst precursor comprising mesoporous zeolite to yield a dissolved zeolite solution, where the mesoporous zeolite comprises large pore ZSM-12 and medium pore ZSM-5. The method also includes condensing the dissolved zeolite solution to yield a solid zeolite composite from the dissolved zeolite solution and heating the solid zeolite composite to remove the surfactant. The method further includes impregnating the solid zeolite composite with one or more active metals selected from the group consisting of platinum, rhenium, rhodium, molybdenum, nickel, tungsten, chromium, ruthenium, gold, and combinations thereof to yield impregnated solid zeolite composite and calcining the impregnated solid zeolite composite to produce the hierarchical zeolite composite catalyst. The hierarchical zeolite composite catalyst has a mesostructure comprising at least one disordered mesophase and at least one ordered mesophase.

Methods for producing mesoporous zeolite multifunctional catalysts for upgrading pyrolysis oil

A method of making a multifunctional catalyst for upgrading pyrolysis oil includes contacting a hierarchical mesoporous zeolite support with a solution including at least a first metal catalyst precursor and a second metal catalyst precursor, each or both of which may include a heteropolyacid. The hierarchical mesoporous zeolite support may have an average pore size of from 2 nm to 40 nm. Contacting the hierarchical mesoporous zeolite support with the solution deposits or adsorbs the first metal catalyst precursor and the second catalyst precursor onto outer surfaces and pore surfaces of the hierarchical mesoporous zeolite support to produce a multifunctional catalyst precursor. The method further includes removing excess solution and calcining the multifunctional catalyst precursor to produce the multifunctional catalyst comprising at least a first metal catalyst and a second metal catalyst deposited on the outer surfaces and pore surfaces of the hierarchical mesoporous zeolite support.

Processes of producing catalysts

A process of producing a catalyst comprises forming mesoporous beta zeolite particles, impregnating mesoporous beta zeolite particles with a metal and phosphorus to produce a metal and phosphorus impregnated zeolite, and incorporating the metal and phosphorus impregnated zeolite with clay and alumina to produce the catalyst. The forming step comprises converting a crystalline beta zeolite to a non-crystalline material with reduced silica content relative to the crystalline beta zeolite, and crystalizing the non-crystalline material to produce mesoporous beta zeolite particles.