Patent classifications
B01J2229/22
CATALYST FOR SYNTHESIZING DIMETHYL ETHER FROM SYNTHETIC GAS, METHOD FOR MANUFACTURING THE SAME, AND METHOD FOR SYNTHESIZING DIMETHYL ETHER USING THE SAME
A method of preparing a catalyst for synthesizing dimethyl ether from synthetic gas includes preparing a mesoporous ferrierite zeolite (FER), and co-precipitating a precursor of a mesoporous ferrierite zeolite and a Cu—Zn—Al-based oxide (CZA) to obtain a hybrid CZA/mesoFER catalyst.
Iron-loaded small pore aluminosilicate zeolites and method of making metal loaded small pore aluminosilicate zeolites
The present invention provides an iron-loaded aluminosilicate zeolite having a maximum pore opening defined by eight tetrahedral atoms and having the framework type CHA, AEI, AFX, ERI or LTA, wherein the iron (Fe) is present in a range of from about 0.5 to about 5.0 wt. % based on the total weight of the iron-loaded aluminosilicate zeolite, wherein an ultraviolet-visible absorbance spectrum of the iron-loaded synthetic aluminosilicate zeolite comprises a band at approximately 280 nm, wherein a ratio of an integral, peak-fitted ultraviolet-visible absorbance signal measured in arbitrary units (a.u.) for the band at approximately 280 nm to an integral peak-fitted ultraviolet-visible absorbance signal measured in arbitrary units (a.u.) for a band at approximately 340 nm is >about 2. The present invention further provides a method of making an metal-loaded aluminosilicate zeolite having a maximum pore opening defined by eight tetrahedral atoms from pre-existing aluminosilicate zeolite crystallites, wherein the metal is present in a range of from 0.5 to 5.0 wt. % based on the total weight of the metal-loaded aluminosilicate zeolite.
Functional structural body and method for making functional structural body
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.
Functional structural body and method for making functional structural body
To provide a functional structural body that can realize ong life time by suppressing the decline in function of the functional substance and that can attempt to save resources without requiring a complicated replacement operation, and to provide a method for making the functional structural body. The functional structural body (1) includes a skeletal body (10) of a porous structure composed of a zeolite-type compound, and at least one functional substance (20) present in the skeletal body (10), the skeletal body (10) has channels (11) connecting with each other, and the functional substance is present at least the channels (11) of the skeletal body (10).
Functional structural body and method for making functional structural body
A functional structural body that can realize a prolonged life time by suppressing the decrease in function and that can fulfill resource saving without requiring a complicated replacement operation is provided. A functional structural body includes a skeletal body of a porous structure composed of a zeolite-type compound; and at least one solid acid present in the skeletal body, the skeletal body has channels connecting with each other, and the solid acid is present at least in the channels of the skeletal body.
FUNCTIONAL STRUCTURAL BODY AND METHOD FOR MAKING FUNCTIONAL STRUCTURAL BODY
To provide a functional structural body that can realize a long life time by suppressing the decline in function of the functional substance and that can attempt to save resources without requiring a complicated replacement operation, and to provide a method for making the functional structural body. The functional structural body (1) includes a skeletal body (10) of a porous structure composed of a zeolite-type compound, and at least one functional substance (20) present in the skeletal body (10), the skeletal body (10) has channels (11) connecting with each other, and the functional substance is present at least in the channels (11) of the skeletal body (10).
Structured catalyst for methanol reforming, methanol reforming device, method for producing structured catalyst for methanol reforming, and method for producing at least one of olefin or aromatic hydrocarbon
To provide a highly active structured catalyst for methanol reforming that suppresses the decline in catalytic function and has excellent catalytic function, and a methanol reforming device. A structured catalyst for methanol reforming, including: a support of a porous structure composed of a zeolite-type compound; and a catalytic substance present in the support, in which the support has channels communicating with each other, and the catalytic substance is present at least in the channels of the support.
A METHOD OF PREPARING A HYDROCRACKING CATALYST
The present invention provides a method of preparing a supported catalyst, preferably a hydrocracking catalyst, the method at least comprising the steps of: a) providing a zeolite Y having a bulk silica to alumina ratio (SAR) of at least 10; b) mixing the zeolite Y provided in step a) with a base, water and a surfactant, thereby obtaining a slurry of the zeolite Y; c) reducing the water content of the slurry obtained in step b) thereby obtaining solids with reduced water content, wherein the reducing of the water content in step c) involves the addition of a binder; d) shaping the solids with reduced water content obtained in step c) thereby obtaining a shaped catalyst carrier; e) calcining the shaped catalyst carrier obtained in step d) at a temperature above 300° C. in the presence of the surfactant of step b), thereby obtaining a calcined catalyst carrier; f) impregnating the catalyst carrier calcined in step e) with a hydrogenation component thereby obtaining a supported catalyst; wherein no heat treatment at a temperature of above 500° C. takes place between the mixing of step b) and the shaping of step d).
Olefin oligomerization using delaminated zeolite supports as catalyst
Provided is an improved process for olefin oligomerization allowing one to realize superior selectivity. The process comprises contacting a hydrocarbon feed comprised of straight and branched chain olefins under oligomerization conditions with a catalyst comprising delaminated SSZ-70. The delaminated SSZ-70 offers a zeolite layer with a single unit cell of thickness in one dimension, allowing for elimination of mass transfer in comparison with regular SSZ-70. The result is superior selectivity.
RING-OPENING PROCESSES AND CATALYSTS FOR HYDROCARBON SPECIES COMPRISING AROMATIC AND CYCLOPARAFFINIC RINGS
Embodiments of the disclosure include processes for ring-opening of hydrocarbon species comprising aromatic and cycloparaffinic rings in hydrocarbon feeds to produce ring-opened products. In particular, the process comprises contacting hydrocarbon species comprising aromatic and cycloparaffinic rings with hydrogen in the presence of a ring-opening catalyst comprising a noble metal on a low-acidity crystalline material containing external pockets to facilitate ring-opening of the hydrocarbon species comprising aromatic and cycloparaffinic rings. The processes are useful in the transformation of polynuclear aromatic hydrocarbons (PAHs) to ring-opened products.