The invention relates to the production of aromatic hydrocarbon by the conversion of a feed comprising saturated hydrocarbon. At least a portion of the saturated hydrocarbon is converted to olefinic hydrocarbon. Aromatic hydrocarbon is produced from at least a portion of the olefinic hydrocarbon using at least one dehydrocyclization catalyst comprising dehydrogenation and molecular sieve components.

Method for the preparation of a metal-exchanged zeolites or mixtures of metal-exchanged zeolites, such as Cu-SSZ-13, Cu-ZSM-S, Cu-beta, or Fe-beta, comprising the steps of providing a dry mixture of a) one or more microporous zeotype materials that exhibit ion exchange capacity and b) one or more metal compounds; heating the mixture in a gaseous atmosphere containing ammonia to a temperature lower than 300 C. for a time sufficient to initiate and perform a solid state ion exchange of ions of the metal compound and ions of the zeolite material; and obtaining the metal-exchanged zeolitematerial.

The invention relates to the production of aromatic hydrocarbon by the conversion of a feed comprising C.sub.2+ non-aromatic hydrocarbon, e.g., natural gas. The invention is particularly useful in converting natural gas to liquid-phase aromatic hydrocarbon, which can be more easily transported away from remote natural gas production facilities. The conversion is carried out in the presence of a dehydrocyclization catalyst comprising dehydrogenation and molecular sieve components. The dehydrocyclization catalyst has an average residence time of 90 seconds or less.

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.

A method for converting an alcohol to a hydrocarbon, the method comprising contacting said alcohol with a metal-loaded zeolite catalyst at a temperature of at least 100 C. and up to 550 C., wherein said alcohol can be produced by a fermentation process, said metal is a positively-charged metal ion, and said metal-loaded zeolite catalyst is catalytically active for converting said alcohol to said hydrocarbon.

The present invention relates to a catalyst product for cracking of heavy hydrocarbon feed stocks predominantly in to light olefins and processes for preparing the catalyst. More specifically the present invention relates to a process of preparing Fluidic Catalytic Cracking (FCC) catalyst additive composition. The FCC catalyst additive composition of the present invention is a LPG selective catalyst particles comprising a medium pore zeolite bonded with clay-phosphate-silica-alumina binder. The catalyst of the present invention exhibits improved selectivity towards high value components like propylene and gasoline and suppressing low value components like dry gas and bottoms.

This invention relates to a process for producing ethanol comprises supplying a feed comprising carbon monoxide, hydrogen and dimethyl ether to a reaction zone operated under conditions such that (i) part of the carbon monoxide in the feed reacts with part of the hydrogen in the feed to produce methanol; (ii) part of the carbon monoxide in the feed reacts with at least part of the dimethyl ether in the feed to produce methyl acetate; and (iii) part of the hydrogen in the feed reacts with at least part of the methyl acetate produced in (ii) to produce an effluent comprising methanol and ethanol. At least part of the ethanol is recovered from the effluent and at least part of the methanol is dehydrated to produce dimethyl ether, which is recycled to the reaction zone.

This invention relates to a process for producing ethanol comprises supplying a feed comprising carbon monoxide, hydrogen and dimethyl ether to a reaction zone operated under conditions such that (i) part of the carbon monoxide in the feed reacts with part of the hydrogen in the feed to produce methanol; (ii) part of the carbon monoxide in the feed reacts with at least part of the dimethyl ether in the feed to produce methyl acetate; and (iii) part of the hydrogen in the feed reacts with at least part of the methyl acetate produced in (ii) to produce an effluent comprising methanol and ethanol. At least part of the ethanol is recovered from the effluent and at least part of the methanol is dehydrated to produce dimethyl ether, which is recycled to the reaction zone.

The present disclosure provides a method of preparing a catalyst for synthesizing dimethyl ether or methylacetate from synthetic gas that includes preparing a nanosheet ferrierite zeolite (FER), and co-precipitating the nanosheet ferrierite zeolite and a precursor of a CuZnAl-based oxide (CZA) to obtain a hybrid CZA/FER catalyst.

The present disclosure provides a method of preparing a catalyst for synthesizing dimethyl ether or methylacetate from synthetic gas that includes preparing a nanosheet ferrierite zeolite (FER), and co-precipitating the nanosheet ferrierite zeolite and a precursor of a CuZnAl-based oxide (CZA) to obtain a hybrid CZA/FER catalyst.