Abstract: Process for the carbonylation of dimethyl ether with carbon monoxide in the presence of a catalyst to produce methyl acetate reaction product. The carbonylation process is conducted in the presence of hydrogen at a molar ratio of hydrogen to carbon monoxide of greater than 1 and the catalyst is a mordenite zeolite prepared from a synthesis mixture comprising at least one organic structure directing agent.

Abstract: Integrated process for the production of methyl acetate and methanol by carbonylating dimethyl ether with synthesis gas, recovering a methyl acetate stream and an unreached synthesis gas stream containing methyl acetate, and scrubbing the synthesis gas to remove methyl acetate. The scrubbed synthesis gas is passed for methanol synthesis.

Abstract: Process for treating a zeolite catalyst for the carbonylation of dimethyl ether to produce methyl acetate, in which the catalyst is contacted with a treatment gas containing water vapor in an amount of at least 1 mol % and at a temperature below which dealumination of the zeolite structure occurs. The zeolite contains at least one channel which is defined by an 8-member ring and is mordenite.

Abstract: Integrated process for the production of methyl acetate and methanol. The process is carried out by carbonylating dimethyl ether with synthesis gas and recovering methanol and unreacted synthesis gas. The recovered synthesis gas is utilized as the sole fresh synthesis gas for methanol synthesis.

Abstract: Process for the production of methyl acetate by carbonylating dimethyl ether with carbon monoxide in the presence of hydrogen and a zeolite catalyst. The process is carried out with a molar ratio of hydrogen to carbon monoxide of at least 1 and the catalyst has been calcined at a temperature of from about 375° C. to about 475° C.

Abstract: Process for preparing methyl acetate by the carbonylation of dimethyl ether with carbon monoxide in the presence of hydrogen and a zeolite catalyst. 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: Integrated process for the production of methyl acetate and methanol. The process is carried out by carbonylating dimethyl ether with synthesis gas, recovering methyl acetate and unreacted synthesis gas and supplying unreacted synthesis gas and fresh synthesis gas for methanol synthesis.

Abstract: Process for producing acetic acid and dimethyl ether by contacting a mixture of methanol and methyl acetate with a zeolite catalyst. The zeolite has a 2-dimensional channel system having at least one channel with a 10-membered ring and containing at least 5% of its cation exchange capacity occupied by one or more alkali metal cations.

Abstract: Process for the co-production of acetic acid and dimethyl ether products from a mixture of methanol and methyl acetate by contacting the mixture at a temperature from 200 to 260° C., with a catalyst composition containing a zeolite possessing a 2-dimensional channel system. The catalyst system contains at least one channel having a 10-membered ring and a silica:alumina molar ratio of at least 22:1.

Abstract: A process for the production of acetic acid and dimethyl ether by contacting a mixture of methanol and methyl acetate with a zeolite catalyst wherein the zeolite has a 2-dimensional channel system comprising at least one channel having a 10-membered ring and having at least 5% of its cation exchange capacity occupied by one or more alkali metal cations.

Abstract: An integrated process for the production of acetic acid by carbonylating dimethyl ether with synthesis gas to form methyl acetate and unreacted synthesis gas, utilizing the unreacted synthesis gas to produce methanol, dehydrating and hydrolyzing a mixture of methyl acetate and methanol to produce acetic acid and dimethyl ether and recovering acetic acid therefrom.

Abstract: Process for removing acetone from a stream including acetone (A), methyl acetate (MA) and methyl iodide (MI), by (a) introducing the stream into a first distillation zone (FDZ); (b) introducing acetic acid (AA) into the FDZ, by adding AA to the stream or by introducing AA to the FDZ at or above the introduction point of the stream, or a combination thereof; (c) removing from the FDZ an overhead stream including MI and a bottoms stream containing A, MA, AA, and a reduced amount of MI; (d) introducing the bottoms stream into a second distillation zone (SDZ); (e) removing from the SDZ an overhead stream containing MA and MI and a bottoms stream containing A, MA and AA; (f) introducing the bottoms stream from (e) into a third distillation zone (TDZ); removing from the TDZ an overhead stream containing MA and A and a bottoms stream containing MA and AA.

Abstract: A process for treating a zeolite catalyst for the carbonylation of dimethyl ether to produce methyl acetate in which the catalyst is contacted with a treatment gas comprising water vapour in an amount of at least 1 mol % and at a temperature below which dealumination of the zeolite structure occurs.

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: Process for producing alkene(s) from an oxygenate feedstock in a reactor by dehydration in the presence of a supported heteropolyacid catalyst. The pore volume of the supported heteropolyacid catalyst satisfies the following formula: PV>0.6?0.3[HPAloading/Surface Area of Dried Catalyst]where; PV is the Pore Volume of the dried supported heteropolyacid catalyst (measured in ml/g catalyst); HPA loading is the amount of heteropolyacid present in the dried supported heteropolyacid catalyst (measure in micro moles/g); and Surface Area of Dried Catalyst is the surface area of the dried supported heteropolyacid catalyst (measured in m2/g).

Abstract: Process for the production of methyl acetate and/or acetic acid by contacting a carbon monoxide-containing gas and methanol and/or reactive derivatives thereof with a mordenite loaded with copper and silver loaded by ion-exchange and subsequently regenerating the catalyst.

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: Process for the conversion of carbon oxide(s) and hydrogen containing feedstocks into alcohols in the presence of a particulate catalyst.

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: A catalyst and/or precatalyst for olefin oligomerization comprising one or more coordination complexes having one or more central palladium metal atoms. Each palladium atom is bonded to four ligand donor atoms. Two of the donor atoms are group 16 elements and two of the donor atoms are group 15 elements. Also provided are neutral or cationic coordination complex dimers, so that the two palladium atoms are both bonded to one or two donor atoms from group 16, and each palladium atom is bonded to two donor atoms from group 15. In some instances, each of the two group 16 donor atoms are oxygen and each of the four group 15 donor atoms are nitrogen.