C07C2529/68

Bimetallic catalysts supported on zeolites for selective conversion of n-butane to ethane

A hydrogenolysis bimetallic supported catalyst comprising a first metal, a second metal, and a zeolitic support; wherein the first metal and the second metal are different; and wherein the first metal and the second metal can each independently be selected from the group consisting of iridium (Ir), platinum (Pt), rhodium (Rh), ruthenium (Ru), palladium (Pd), molybdenum (Mo), tungsten (W), nickel (Ni), and cobalt (Co).

Modified Crystalline Aluminosilicate for Dehydration of Alcohols

The present invention relates to a catalyst composition comprising a modified crystalline aluminosilicate of the Framework Type FER having Si/Al framework molar ratio greater than 20 characterized in that in said modified crystalline aluminosilicate the ratio between the strong acid sites and the weak acid sites, S/W, is lower than 1.0 and having the extra framework aluminum (EFAL) content lowered to less than 10 wt % preferably 5 wt % even more preferably less than 2 wt % measured by 27Al MAS NMR. The present invention further relates to a process for producing olefins from alcohols in presence of said catalyst composition.

Bimetallic Catalysts Supported on Zeolites for Selective Conversion of n-Butane to Ethane

A hydrogenolysis bimetallic supported catalyst comprising a first metal, a second metal, and a zeolitic support; wherein the first metal and the second metal are different; and wherein the first metal and the second metal can each independently be selected from the group consisting of iridium (Ir), platinum (Pt), rhodium (Rh), ruthenium (Ru), palladium (Pd), molybdenum (Mo), tungsten (W), nickel (Ni), and cobalt (Co).

Metal-loaded zeolite catalysts for the halogen-free conversion of dimethyl ether to methyl acetate

A catalyst for the carbonylation of dimethyl ether to methyl acetate. The catalyst comprises a zeolite, such as a mordenite zeolite, at least one Group IB metal, such as copper, and/or at least one Group VIII metal, such as iron, and at least one Group IIB metal, such as zinc. Such a catalyst with combined metals provides enhanced catalytic activity, improved stability, and improved selectivity to methyl acetate, and does not require a halogen promoter, as compared to a metal-free or copper only zeolite.

COMPOSIT CATALYST, METHOD FOR PRODUCING COMPOSIT CATALYST, AND METHOD FOR PRODUCING LOWER OLEFINS
20230405562 · 2023-12-21 ·

Provided is a composite catalyst that contains a zeolite which is a crystalline aluminosilicate that contains gallium and iron and has a skeletal structure of an 8- to 12-membered ring; or a zeolite which is a crystalline aluminosilicate that contains iron but no gallium and has a skeletal structure of an 8- to 12-membered ring; silicon dioxide as a binder; and diphosphorus pentoxide.

Modified crystalline aluminosilicate for dehydration of alcohols

The present invention relates to a catalyst composition comprising a modified crystalline aluminosilicate of the Framework Type FER having Si/Al framework molar/ratio greater than 20 characterized in that in said modified crystalline aluminosilicate the ratio between the strong acid sites and the weak acid sites, S/W, is lower than 1.0 and having the extra framework aluminum (EFAL) content lowered to less than 10 wt % preferably 5 wt % even more preferably less than 2 wt % measured by 27Al MAS NMR. The present invention further relates to a process for producing olefins from alcohols in presence of said catalyst composition.

Metal-loaded zeolite catalysts for the halogen-free conversion of dimethyl ether to methyl acetate

A catalyst for the carbonylation of dimethyl ether to methyl acetate. The catalyst comprises a zeolite, such as a mordenite zeolite, at least one Group IB metal, such as copper, and/or at least one Group VIII metal, such as iron, and at least one Group IIB metal, such as zinc. Such a catalyst with combined metals provides enhanced catalytic activity, improved stability, and improved selectivity to methyl acetate, and does not require a halogen promoter, as compared to a metal-free or copper only zeolite.

STRUCTURED CATALYST FOR AROMATIC HYDROCARBON PRODUCTION, AROMATIC HYDROCARBON PRODUCING DEVICE INCLUDING THE STRUCTURED CATALYST FOR AROMATIC HYDROCARBON PRODUCTION, METHOD FOR PRODUCING STRUCTURED CATALYST FOR AROMATIC HYDROCARBON PRODUCTION, AND METHOD FOR PRODUCING AROMATIC HYDROCARBON

Provided are a structured catalyst for aromatic hydrocarbon production and an aromatic hydrocarbon producing device including a structured catalyst for aromatic hydrocarbon production, in which a reduction in catalytic activity is suppressed and an aromatic hydrocarbon can be efficiently produced. A structured catalyst for aromatic hydrocarbon production, including:

a support of a porous framework composed of a zeolite-type compound; and

at least one catalytic substance present in the support,

in which the support has channels communicating with each other, and

the catalytic substance is made of metal nanoparticles and is present at least in the channels of the support.

Metal-Loaded Zeolite Catalysts for the Halogen-Free Conversion of Dimethyl Ether to Methyl Acetate

A catalyst for the carbonylation of dimethyl ether to methyl acetate. The catalyst comprises a zeolite, such as a mordenite zeolite, at least one Group IB metal, such as copper, and/or at least one Group VIII metal, such as iron, and at least one Group IIB metal, such as zinc. Such a catalyst with combined metals provides enhanced catalytic activity, improved stability, and improved selectivity to methyl acetate, and does not require a halogen promoter, as compared to a metal-free or copper only zeolite.

Modified Crystalline Aluminosilicate for Dehydration of Alcohols

The present invention relates to a catalyst composition comprising a modified crystalline aluminosilicate of the Framework Type FER having Si/Al framework molar/ratio greater than 20 characterized in that in said modified crystalline aluminosilicate the ratio between the strong acid sites and the weak acid sites, S/W, is lower than 1.0 and having the extra framework aluminum (EFAL) content lowered to less than 10 wt % preferably 5 wt % even more preferably less than 2 wt % measured by 27Al MAS NMR. The present invention further relates to a process for producing olefins from alcohols in presence of said catalyst composition.