ITQ-49 material, method for the production thereof and use of same

Patent metadata

Field	Value
Publication number	US-9764311-B2
Application number	US-201414516743-A
Country	US
Kind code	B2
Filing date	Oct 17, 2014
Priority date	Apr 18, 2012
Publication date	Sep 19, 2017
Grant date	Sep 19, 2017

Abstract

The present invention refers to a microporous crystalline material, to the method for the production thereof and to the use of same, the material having a composition:

x X 2 O 3 :z ZO 2 :y YO 2

in which: X is a trivalent element such as Al, B, Fe, In, Ga, Cr, or mixtures thereof, where (y+z)/x can have values of between 9 and infinity; Z corresponds to a tetravalent element selected from Si, Ge or mixtures thereof; and Y corresponds to a tetravalent element such as Ti, Sn, Zr, V or mixtures thereof, where z/y can have values of between 10 and infinity.

First claim

The invention claimed is:

1. A microporous crystalline material, having a chemical composition:
x X 2 O 3 :y YO 2 :z ZO 2
wherein:
X is a trivalent element selected from Al, B, Fe, In, Ga, Cr, or mixtures thereof;
Y is a tetravalent element tetravalent selected from Ti, Sn, Zr, V or mixtures thereof;
Z is a tetravalent element tetravalent selected from Si, Ge and mixtures thereof;
the value of (y+z)/x is comprised between 9 and infinity;
the value of z/y is comprised between 10 and infinity;

and an X-ray diagram shown in Table 3.

2. The microporous crystalline material according to claim 1 , wherein
Y is selected from Ti, Sn, Zr, or mixtures thereof;
the value of (y+z)/x is comprised between 20 and infinity; and
the value of z/y is comprised between 15 and infinity.

3. The microporous crystalline material according to claim 1 , wherein Z is Si.

4. The microporous crystalline material according to claim 1 , wherein x is zero and having a chemical composition:
y YO 2 :z ZO 2 .

5. The microporous crystalline material according to claim 1 , wherein y is zero and having a chemical composition:
x X 2 O 3 :z ZO 2
wherein:
the value of z/x is comprised between 9 and infinity.

6. The microporous crystalline material according to claim 5 , wherein the value of z/x is comprised between 20 and infinity.

7. The microporous crystalline material according to claim 6 , wherein y is zero and having a chemical composition:
t P 2 O 5 :x X 2 O 3 :z ZO 2
wherein:
the value of z/x is comprised between 9 and infinity;
t/(x+z) is comprised between 1 and 0.

8. The microporous crystalline material according to claim 7 , wherein the value z/x is comprised between 20 and infinity.

9. The microporous crystalline material according to claim 1 , that has a chemical composition:
t P 2 O 5 :x X 2 O 3 :y YO 2 :z ZO 2
wherein:
the value of t/(x+y+z) is comprised between 1 and 0;

and it has an X ray diagram shown in Table 3.

10. The microporous crystalline material according to claim 9 , wherein x is zero and having a chemical composition:
t P 2 O 5 :y YO 2 :z ZO 2
wherein:
t/(y+z) is comprised between 1 and 0.

11. The microporous crystalline material according to claim 1 , having a chemical composition:
n R: x X 2 O 3 :z ZO 2 :y YO 2
wherein:
R is a structure directing agent;
the value of n/(x+y+z) is comprised between 1 and 0.001;

and having an X-ray diffraction diagram shown in Table 2.

12. The microporous crystalline material according to claim 11 , wherein the structure directing agent, R, contains P.

13. The microporous crystalline material according to claim 12 , wherein R is a salt of an alkylphosphonium cation.

14. The microporous crystalline material according to claim 13 , wherein R is 1,4-butanediyl-bis(tritertbutyl)phosphonium hydroxide.

15. The microporous crystalline material according to claim 11 wherein x is zero and it has the following chemical composition:
n R: y YO 2 :z ZO 2
wherein:
the value of n/(y+z) is comprised between 1 and 0.001.

16. The microporous crystalline material according to claim 11 , wherein y is zero and it has the following chemical composition:
n R: x X 2 O 3 :z ZO 2
wherein:
the value of z/x is comprised between 9 and infinity;
the value of n/(x+z) is comprised between 1 and 0.001.

17. The microporous crystalline material according to claim 16 , wherein the value of z/x is comprised between 20 and infinity.

18. The microporous crystalline material according to claim 1 , wherein it has atoms in tetrahedral coordination linked through through oxygen bridging atoms that connect adjacent atoms with tetrahedral coordination, containing 92 atoms in tetrahedral coordination in its unit cell, designated T1, T2, T3, T4 until T92, that are located in the crystallographic positions with cartesian coordinates x, y y z shown in Table 1.

Assignees

• Corma Canós Avelino
• Rey García Fernando
• Hernández Rodríguez Manuel
• Jordá Moret José Luis
• Univ Valencia Politecnica
• Consejo Superior De Investig Cientificas (Csic)

Inventors

• Corma Canós Avelino
• Rey García Fernando
• Hernández Rodríguez Manuel
• Jordá Moret José Luis

Classifications

• C01B39/48 Primary

  using at least one organic template directing agent · CPC title

• B01D2255/50

  Zeolites · CPC title

• B01D53/9418

  for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas · CPC title

• B01J29/04 Primary

  having base-exchange properties, e.g. crystalline zeolites {(B01J29/005 takes precedence)} · CPC title

• C01B37/005

  Silicates, i.e. so-called metallosilicalites or metallozeosilites · CPC title