Catalysis over activated zeolites

Claim 2

A process for converting feedstock aromatic compounds selected from the group consisting of benzene, monocyclic alkyl-substituted benzene of from 7 to 10 carbon atoms and mixtures thereof, alkyl being methyl, ethyl or a combination thereof, to conversion product aromatic compounds which differ from feedstock aromatic compounds, which comprises contacting said feedstock at conversion conditions with a catalyst comprising a zeolite material prepared by a method comprising calcining a crystalline zeolite material having an initial silica:alumina mole ratio of at least about 100:1, said crystalline material having been synthesized from a reaction mixture containing quaternary onium ions, contacting said calcined crystalline material with aluminum chloride vapor at a temperature of from about 100° C. to about 600° C., hydrolyzing said aluminum chloride contacted crystalline material and calcining said hydrolyzed crystalline material.

Claim 3

The process of claim 1 wherein said zeolite material has an initial silica:alumina mole ratio of at least about 500:1.

Claim 4

The process of claim 1 wherein said zeolite material has the structure of ZSM-5, ZSM-11, ZSM-5/ZSM-11 intermediate, ZSM-12, ZSM-23, ZSM-35, ZSM-38 or ZSM-48.

Claim 5

The process of claim 3 wherein said zeolite has the structure of ZSM-5 or ZSM-11.

Claim 6

The process of claim 1 wherein said catalyst is a composite of said zeolite material and a matrix.

Claim 7

The process of claim 5 wherein said matrix is alumina.

Claim 8

The process of claim 1 wherein said conversion conditions include a temperature of from about 200° C. to about 760° C., a pressure of from about atmospheric to about 200 atmospheres, a weight hourly space velocity of from about 0.08 hr -1 to about 2000 hr -1 and a hydrogen/feedstock hydrocarbon compound mole ratio of from 0 to about 100.

Claim 9

A process for converting feedstock aromatic compounds selected from the group consisting of benzene, monocyclic alkyl-substituted benzene of from 7 to 10 carbon atoms and mixtures thereof, alkyl being methyl, ethyl or a combination thereof, to conversion product aromatic compounds which differ from feedstock aromatic compounds which comprises contacting said feedstock at conversion conditions with a catalyst comprising a zeolite material prepared by a method comprising calcining a crystalline zeolite material having an initial silica:alumina mole ratio of at least about 100:1 and the structure of zeolite ZSM-5, said crystalline material having been synthesized from a reaction mixture containing quaternary onium ions, contacting said calcined crystalline material with aluminum chloride vapor at a temperature of from about 100° C. to about 600° C., hydrolyzing said aluminum chloride contacted crystalline material and calcining said hydrolyzed crystalline material.

Claim 10

A process for converting feedstock aromatic compounds selected from the group consisting of benzene, monocyclic alkyl-substituted benzene of from 7 to 10 carbon atoms and mixtures thereof, alkyl being methyl, ethyl or a combination thereof, to conversion product aromatic compounds which differ from feedstock aromatic compounds which comprises contacting said feedstock at conversion conditions with a catalyst comprising a zeolite material prepared by a method comprising calcining a crystalline zeolite material having an initial silica:alumina mole ratio of at least about 100:1 and the structure of zeolite ZSM-5, said crystalline material having been synthesized from a reaction mixture containing quaternary onium ions, contacting said calcined crystalline material with aluminum chloride vapor at a temperature of from about 100° C. to about 600° C., hydrolyzing said aluminum chloride contacted crystalline material and calcining said hydrolyzed crystalline material.

Claim 11

The process of claim 8 wherein said zeolite material has an initial silica:alumina mole ratio of at least about 500:1.

Claim 12

The process of claim 8 wherein said catalyst is a composite of said zeolite material and a matrix.

Claim 13

The process of claim 10 wherein said matrix is alumina.

Claim 14

The process of claim 8 wherein said conversion conditions include a temperature of from about 200° C. to about 760° C., a pressure of from about atmospheric to about 200 atmospheres, a weight hourly space velocity of from about 0.08 hr -1 to about 2000 hr -1 and a hydrogen/feedstock hydrocarbon compound mole ratio of from 0 to about 100.

Claim 15

A process for converting feedstock aromatic compounds selected from the group consisting of benzene, monocyclic alkyl-substituted benzene of from 7 to 10 carbon atoms and mixtures thereof, alkyl being methyl, ethyl or a combination thereof, to conversion product aromatic compounds which differ from feedstock aromatic compounds which comprises contacting said feedstock at conversion conditions with a catalyst comprising a zeolite material prepared by a method comprising calcining a crystalline zeolite material having an initial silica:alumina mole ratio of at least about 100:1 and the structure of zeolite ZSM-11, said crystalline material having been synthesized from a reaction mixture containing quaternary onium ions, contacting said calcined crystalline material with aluminum chloride vapor at a temperature of from about 100° C. to about 600° C., hydrolyzing said aluminum chloride contacted crystalline material and calcining said hydrolyzed crystalline material.

Claim 16

A process for converting feedstock aromatic compounds selected from the group consisting of benzene, monocyclic alkyl-substituted benzene of from 7 to 10 carbon atoms and mixtures thereof, alkyl being methyl, ethyl or a combination thereof, to conversion product aromatic compounds which differ from feedstock aromatic compounds which comprises contacting said feedstock at conversion conditions with a catalyst comprising a zeolite material prepared by a method comprising calcining a crystalline zeolite material having an initial silica:alumina mole ratio of at least about 100:1 and the structure of zeolite ZSM-11, said crystalline material having been synthesized from a reaction mixture containing quaternary onium ions, contacting said calcined crystalline material with aluminum chloride vapor at a temperature of from about 100° C. to about 600° C., hydrolyzing said aluminum chloride contacted crystalline material and calcining said hydrolyzed crystalline material.

Claim 17

The process of claim 13 wherein said zeolite material has an initial silica:alumina mole ratio of at least about 500:1.

Claim 18

The process of claim 13 wherein said catalyst is a composite of said zeolite material and a matrix.

Claim 19

The process of claim 15 wherein said matrix is alumina.

Claim 20

The process of claim 13 wherein said conversion conditions include a temperature of from about 200° C. to about 760° C., a pressure of from about atmospheric to about 200 atmospheres, a weight hourly space velocity of from about 0.08 hr -1 to about 2000 hr -1 and a hydrogen/feedstock hydrocarbon compound mole ratio of from 0 to about 100.

Claim 21

The process of claim 1 wherein said feedstock aromatic compounds comprise benzene and said conversion comprises alkylation of said benzene.

Claim 22

The process of claim 1 wherein said feedstock aromatic compounds comprise toluene and said conversion comprises disproportionation of said toluene.

Claim 23

The process of claim 1 wherein said feedstock aromatic compounds comprise xylene isomers and said conversion comprises isomerization of said xylene isomers.

Claim 24

The process of claim 1 wherein said feedstock aromatic compounds comprise alkyl-substituted benzene compounds of from 7 to 10 carbon atoms wherein alkyl is methyl, ethyl or a combination thereof and said conversion comprises transalkylation of said alkyl-substituted benzene compounds.