Method for purifying synthetic mesoporous crystalline material

Claim 3

The method of claim 1 wherein the composition of matter comprises an inorganic, porous crystalline phase material having a hexagonal arrangement of uniformly-sized pores at least about 13 Angstroms in diameter and exhibiting, after calcination, a hexagonal electron diffraction pattern that can be indexed with a d100 value greater than 18 Angstrom Units.

Claim 4

The method of claim 1 wherein the composition of matter has a composition expressed as follows: M.sub.n/q (W.sub.a X.sub.b Y.sub.c Z.sub.d O.sub.h) wherein M is one or more ions; n is the charge of the composition excluding M expressed as oxides; q is the weighted molar average valence of M; n/q is the number of moles or mole fraction of M; W is one or more divalent elements; X is one or more trivalent elements; Y is one or more tetravalent elements; Z is one or more pentavalent elements; a, b, c, and d are mole fractions of W, X, Y, and Z, respectively; h is a number of from 1 to 2.5; and (a+b+c+d)=1.

Claim 5

The method of claim 1 wherein the composition of matter has a composition on an anhydrous basis expressed as follows: rRM.sub.n/q (W.sub.a X.sub.b Y.sub.c Z.sub.d O.sub.h) wherein R is the total organic material not included in M; r is the number of moles or mole fraction of R; M is one or more ions; n is the charge of the composition excluding M espressed as oxides; q is the weighted molar average valence of M; n/q is the number of moles or mole fraction of M; W is one or more divalent elements; X is one or more trivalent elements; Y is one or more tetravalent elements; Z is one or more pentavalent elements; a, b, c, and d are mole fractions of W, X, Y, and Z, respectively; h is a number of from 1 to 2.5; and (a+b+c+d)=1, wherein, when treated under conditions sufficient to remove R, said crystalline phase gives an X-ray diffraction pattern with at least one peak at a position greater than about 18 Angstrom Units d-spacing and exhibits a benzene adsorption capacity of greater than about 15 grams benzene per 100 grams anhydrous crystal at 50 torr and 25° C.

Claim 6

The method of claim 1 wherein the composition of matter comprises an inorganic, non-pillared crystalline phase giving an X-ray diffraction pattern following calcination with at least two peaks at positions greater than about 10 Angstrom Units d-spacing, at least one of which is at a position greater than about 18 Angstrom Units d-spacing, and no peaks at positions less than about 10 Angstrom Units d-spacing with relative intensity greater than about 20% of the strongest peak.

Claim 7

The method of claim 1 wherein the aqueous solution comprises an alkali or alkaline earth metal carbonate with a pH greater than about 8.

Claim 8

The method of claim 6 wherein the alkali or alkaline earth metal is selected from a group consisting of lithium, rubidium, cesium, strontium, barium, sodium, potassium, calcium and magnesium.

Claim 9

The method of claim 7 wherein the carbonate comprises a molality of from about 0.001 to about 1 M.

Claim 10

The process of claim 2 wherein the aqueous solution comprises an alkali or alkaline earth metal carbonate with a pH greater than about 8.

Claim 11

The process of claim 9 wherein the alkali or alkaline earth metal is selected from a group consisting of lithium, rubidium, cesium, strontium, barium, sodium, potassium, calcium and magnesium.

Claim 12

The method of claim 10 wherein the carbonate comprises a molality of from about 0.001 to about 1 M.

Claim 13

A product of the method of claim 1.

Claim 14

A product of the method of claim 2.

Claim 15

A product of the method of claim 3.

Claim 16

A product of the method of claim 4.

Claim 17

A product of the method of claim 5.

Claim 18

A hydrocarbon conversion process comprising contacting a hydrocarbon feedstock with a composition of matter which comprises a porous, non-layered crystalline phase material exhibiting, after calcination, an x-ray diffraction pattern with at least one peak at a d-spacing greater than about 18 Angstrom Units and having a benzene adsorption capacity greater than 15 grams benzene per 100 grams of said material at 50 torr and 25° C. and containing an impurity phase in an as-synthesized form, said composition of matter having been contacted with an aqueous solution which comprises a hydroxyl concentration sufficient to solubilize the impurity phase but not the crystalline phase material.

Claim 19

A hydrocarbon conversion process comprising contacting a hydrocarbon feedstock with a composition of matter which comprises a porous, non-layered crystalline phase material exhibiting, after calcination, an x-ray diffraction pattern with at least one peak at a d-spacing greater than about 18 Angstrom Units and having a benzene adsorption capacity greater than 15 grams benzene per 100 grams of said material at 50 torr and 25° C. and containing an impurity phase in an as-synthesized form, said composition of matter having been contacted with an aqueous solution which comprises a hydroxyl concentration sufficient to solubilize the impurity phase but not the crystalline phase material.

Claim 20

The hydrocarbon conversion process of claim 17 wherein the conversion process is an alkylation process.

Claim 21

The hydrocarbon conversion process of claim 18 wherein the alkylation process is an ethylbenzene conversion.