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SSZ-13

SSZ-13 CHA Framework Type Advanced Zeolite Material
SSZ-13 Zeolite could potentially be used as a solid catalyst for the methanol-to-olefins (MTO) process and the selective catalytic reduction (SCR) of NOx.
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SSZ-13 (framework type code CHA) is a high-silica aluminosilicate zeolite possessing 0.38 × 0.38 nm micropores.It belongs to the ABC-6 family of zeolites as well as offretite, cancrinite, erionite and other related small-pore zeolites.

The framework topology is the same as that of chabazite but SSZ-13 has a high silica composition with Si/Al > 5, which leads to low cation exchange capacity. The typical chemical formula of the unit cell can be described as QxNayAl2.4Si33.6O72•zH2O (1.4 < x <27)(0.7 < y < 4.3)(1 < z <7), where Q is N,N,N-1-trimethyladamantammonium.

The material was patented by Chevron research Company in 1985, and could potentially be used as a solid catalyst for the methanol-to-olefins (MTO) process and the selective catalytic reduction (SCR) of NOx.In addition, SSZ-13 is useful for gas adsorption separation of small organic molecules, industrial waste gas treatment, air purification, and hydrogen storage.


Product

Series

Code

Framework

SiO2/Al2O3

(mol/mol)

Pore Diameter

Å

Crystal Size

μm

Cation

BET

mm2/g

L.O.I

1000℃,%

Na2O

%

Partcicle Size

μm(D50)

SSZ-13

YT-S-13

CHA

as request

0.38X0.38

_

Na, NH4+ H+

>550

<10

<0.05

5-10


Application:

- Methanol to Olefins (MTO)

- Selective Catalytic Reduction of Nitrogen Oxides (SCR) for diesel engines

- Gas adsorption separation of small organic molecules i.e., alkanes, olefins, CO2 etc.

- Industrial waste gas treatment

- VOC abatement and Air purification (removal of toxic molecules i.e., H2S, SO2, HCHO, NH3, CO etc.)

- Hydrogen Storage

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