Abstract: A process for preparing methyl acetate by the carbonylation of dimethyl ether with carbon monoxide in the presence of hydrogen and a zeolite catalyst wherein, in a first step the carbonylation is conducted with a carbon monoxide to hydrogen molar ratio of at least 1 and in a second and subsequent step, the carbonylation is conducted with a hydrogen to carbon monoxide molar ratio of greater than 1.

Abstract: Process for the production of acetic acid and dimethyl ether by contacting methanol and methyl acetate with a catalyst composition at a temperature in the range 140 to 250 ° C. The catalyst composition contains a zeolite having a 2-dimensional channel system comprising at least one channel which has a 10-membered ring.

Abstract: A process for the treatment of an alcohol composition comprising nitrogen-containing contaminants, the process comprising contacting the alcohol composition with an adsorbent in an adsorption zone, wherein the adsorbent is a transition metal-loaded solid porous material selected from the group consisting of aluminosilicates, silica-aluminas, silicates and aluminas.

Abstract: Provided are methods for removing one or more components from a butanol based composition. The methods comprise providing a butanol based composition comprising one or more components, targeting at least one component or a combination thereof for reduction, and processing said butanol based composition such that the at least one targeted component is substantially removed. The butanol based composition can, for example, be bio-produced.

Abstract: Method for the selective dealumination of the aluminum within the 12-membered ring channels of a zeolite of structure type MOR. The method includes the steps of (i) loading a MOR zeolite in the hydrogen or ammonium form with a univalent metal to obtain a metal loaded zeolite; and (ii) treating the metal loaded zeolite with steam at a temperature of at least 400° C. to obtain a metal loaded dealuminated zeolite.

Abstract: A process for the production of acetic acid and/or methyl acetate by the carbonylation of methanol, methyl acetate and/or dimethyl ether with carbon monoxide in the presence of a desilicated mordenite catalyst.

Abstract: Process for the preparation of alcohol(s) from alkyl ester(s) by bringing hydrogen, carbon monoxide and at least one alkyl ester into contact with a hydrogenation catalyst including copper and manganese in a reaction zone to produce at least one alcohol. The molar ratio of hydrogen to carbon monoxide in the reaction zone is in the range of from 100:1 to 1:10.

Abstract: A process for the production of methyl acetate by reacting dimethyl ether with carbon monoxide into a carbonylation reactor containing a mordenite catalyst in the presence of added methyl acetate and/or acetic acid.

Abstract: Process for the production of methyl acetate by carbonylating a dimethyl ether feed with carbon monoxide under substantially anhydrous conditions, in the presence of a zeolite catalyst effective for the carbonylation. The carbonylation is carried out at a temperature in the range of 275 to 350° C. and in the presence of hydrogen.

Abstract: Process for producing methyl acetate by carbonylating a dimethyl ether feed with carbon monoxide under substantially anhydrous conditions in the presence of a mordenite catalyst which has been ion-exchanged or otherwise loaded with at least one of silver and copper. The mordenite is also ion-exchanged or otherwise loaded with platinum in an amount in the range 0.05 to 10 mol % relative to aluminum.

Abstract: The present invention relates to a process for producing methanol and ethanol, wherein the methanol is produced from synthesis gas and the ethanol is produced via the hydrogenation of an ethanoic acid feed; characterized in that the hydrogenation of the ethanoic acid feed is carried out within the same alcohol synthesis unit and in the presence of the same catalyst(s) that is used to produce the methanol from the synthesis gas and wherein the feed introduced to the alcohol synthesis unit comprises synthesis gas and ethanoic acid.

Abstract: Process for the carbonylation of a carbonylatable reactant selected from at least one of dimethyl ether and methanol, by carbonylating the carbonylatable reactant with carbon monoxide in the presence of a catalyst to produce a carbonylation product selected from at least one of methyl acetate and acetic acid. The catalyst is formed by compositing a mordenite loaded with at least one of silver and copper, with an inorganic oxide binder.

Abstract: Process for preparing methyl acetate and/or acetic acid by contacting a carbonylatable reactant selected from dimethyl ether and methanol with carbon monoxide in the presence of a catalyst. The catalyst is a H-mordenite bound with a mesoporous binder selected from silicas, aluminas, silica-aluminas, magnesium silicates and magnesium aluminum silicates.

Abstract: Process for the production of a hydrocarbon by reacting, in a reactor, a reactant selected from methanol, dimethyl ether, methyl acetate and mixtures thereof, with an olefin. The process is performed in the presence of methyl halide and/or hydrogen halide and at least one compound selected from ruthenium carbonyl halides, osmium carbonyl halides and mixtures thereof.

Abstract: Process for the manufacture of methyl acetate by carbonylating a carbonylatable reactant selected from dimethyl ether and dimethyl carbonate containing less than 2.5 wt % water with carbon monoxide in the presence of a mordenite catalyst. The mordenite has been ion-exchanged with at least one Group IB metal, and the molar ratio of the Group IB metal to total aluminum present in the mordenite is in the range 5 to 50 mol %.

Abstract: Process for homologation of alcohol(s), by 1 introducing alcohol(s) into an etherification unit to produce alkyl ether(s), 2, introducing at least a part of the alkyl ether(s) from step 1, together with CO and optionally H2, into a carbonylation unit, in the presence of an acidic homogeneous or heterogeneous carbonylation catalyst, to produce alkyl ester(s), and 3, introducing at least a part of the alkyl ester(s) from step 2, together with H2, into a hydrogenation unit, to produce homologated alcohol(s). Optionally, at least a part of the homologated alcohol(s) from step 3 is recycled into the etherification unit of step 1. Alcohol(s) from the hydrogenation unit of step 3 are recovered.

Abstract: Process for the in-situ regeneration of a zeolite catalyst in a carbonylation process for the production of at least one of methyl acetate and acetic acid. The process is carried out by (a) contacting a carbonylatable reactant selected from methanol, dimethyl ether and dimethyl carbonate and carbon monoxide in a reactor with a zeolite catalyst and recovering a product stream containing at least one of methyl acetate and acetic acid from the reactor, (b) ceasing contact of the catalyst with the carbonylatable reactant, (c) regenerating the catalyst with a regenerating gas selected from hydrogen or a mixture of hydrogen and carbon monoxide at a temperature in the range 250 to 600 C, and (d) terminating the hydrogen regenerating step and resuming contact of the catalyst with the carbonylatable reactant and carbon monoxide.

Abstract: A process for the production of acetic acid and dimethyl ether by contacting methanol and methyl acetate with a catalyst composition at a temperature in the range 140 to 250° C. wherein the catalyst composition contains a zeolite having a 2-dimensional channel system comprising at least one channel which has a 10-membered ring.

Abstract: A process for the production of acetic acid by the liquid phase carbonylation of an alcohol and/or a reactive derivative thereof in which there is employed a catalyst comprising a complex of rhodium or iridium with a pincer ligand.

Abstract: A process for the carbonylation of dimethyl ether, dimethyl carbonate and/or methanol with carbon monoxide and hydrogen in the presence of a mordenite catalyst to produce at least one of acetic acid and methyl acetate in which process the mordenite catalyst is regenerated in-situ by contacting the catalyst with a regenerating gas comprising a molecular oxygen-containing gas and an inert diluent at a total pressure in the range 1 to 100 bar and wherein the partial pressure of the molecular oxygen-containing gas is such that the temperature of the catalyst is maintained within the range 225 to 325° C.