Process for the preparation of a zeolitic material having a FAU-type framework structure and use thereof in the selective catalytic reduction of NO

1. A process for the preparation of a zeolitic material having a FAU-type framework structure comprising YO 2 and X 2 O 3 , said process comprising:

(a) preparing a mixture comprising a source of YO 2 , a source of X 2 O 3 , and a structure directing agent (SDA); and

(b) crystallizing the zeolitic material from the mixture obtained in (a);

wherein Y is a tetravalent element and X is a trivalent element, and

wherein the structure directing agent comprises an isomer of diaminomethylcyclohexane.

2. The process of claim 1 , wherein Y is at least one selected from the group consisting of Si, Sn, and Ge.

3. The process of claim 1 , wherein X is at least one selected from the group consisting of Al, B, In, and Ga.

4. The process of claim 1 , wherein the isomers of diaminomethylcyclohexane comprise 65 to 95 wt. % of 2,4-diaminomethylcyclohexane and 5 to 35 wt. % of 2,6-diaminomethylcyclohexane.

5. The process of claim 1 , wherein the mixture prepared in (a) further comprises a solvent system comprising a solvent.

6. The process of claim 1 , wherein a molar ratio YO 2 :diaminomethylcyclohexane of the mixture prepared in (a) is from 0.5 to 40.

7. The process of claim 1 , wherein the process further comprises one or more of the following:

(c) isolating the zeolitic material;

and/or

(d) washing the zeolitic material with a solvent;

and/or

(e) drying the zeolitic material obtained in (c), and/or (d);

and/or

(f) calcining the zeolitic material obtained in (c), (d), and/or (e).

8. The process of claim 7 , wherein the process further comprises:

(g) subjecting the zeolitic material obtained in (c), (d), (e), or (f) to an ion exchange procedure, wherein at least one ionic non-framework element or compound contained in the zeolitic material is ion-exchanged against a metal ion.

9. The process of claim 8 , wherein the metal ion is at least one selected from the group consisting of ions of alkaline earth metal elements and/or transition metal elements.

10. A process for preparing a coated substrate comprising:

(1) preparing a zeolitic material by the process of claim 1 and then preparing a mixture comprising a solvent system and the zeolitic material;

(1.a) homogenizing the mixture obtained in (1);

(1.b) providing a support substrate;

(1.c) coating the support substrate provided in (1.b) with the homogenized mixture obtained in (1.a);

(1.d) optionally drying the coated support substrate obtained in (1.c); and

(2) calcining the coated support obtained in (1.c) or (1.d).

11. The process of claim 10 , wherein the support substrate comprises at least one selected from the group consisting of ceramic substances and metallic substances.

12. A process for preparing a shaped body comprising:

(1) preparing a zeolitic material by the process of claim 1 and then preparing a mixture comprising a solvent system and the zeolitic material;

(1.A) adding a refractory support material, and optionally adding a pasting agent to the mixture obtained in (1);

(1.B) homogenizing the mixture obtained in (1.A);

(1.C) shaping of the mixture obtained in (1.B); and

(2′) calcining the shaped mixture obtained in (1.C).

13. A method for selectively reducing nitrogen oxides NOx, the method comprising:

preparing a zeolitic material by the process of claim 1 ; and

contacting a gas stream comprising NOx with the zeolitic material, wherein at least one ionic non-framework element or compound contained in the zeolitic material is ion-exchanged against Cu and/or Fe.

14. A method, comprising:

preparing a zeolitic material by the process of claim 1 ; and

employing the zeolitic material as a molecular sieve, as an adsorbent, for ion exchange, or as a catalyst and/or catalyst support by contacting a gas stream with the zeolitic material.