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High Purity ZSM-5

High Purity ZSM-5

Brief description Zeolite adsorbent zeolite, belonging high-silica zeolite and having a Si/Al ratio of up to 1000 and above, also shows the hydrophobic characteristic. The structure feature of such a zeolite is that the vertical and horizonal parts are crystalline aluminosilicate composed of...

Description

Brief description

Zeolite adsorbent zeolite, belonging high-silica zeolite and having a Si/Al ratio of up to 1000 and above, also shows the hydrophobic characteristic. The structure feature of such a zeolite is that the vertical and horizonal parts are crystalline aluminosilicate composed of 10-membered channel. The basic structure is composed of eight 5-membered rings, which has channels only and is without cage-free cavities. Zeolite adsorbent has two sets of cross channels, one of which is ellipse, and the window diameter thereof is 0.55 to 0.60nm. As the reaction space is similar to the shape of the access, the zeolite has a shape selection effect to the reactants and products. Moreover, Zeolite adsorbent is a good raw material of selective catalyst due to the harmonious structure and hydrothermal stability.

Zeolite adsorbent type zeolite is widely applied to petrochemical processing industries, applied to the fluidifying, catalyzing and cracking process as an assistant for producing more propylene and liquefied gas, and improving the octane number of the gasoline. In addition, the zeolite adsorbent can be applied to the production of ethylbenzene, xylene, phenol, pyridine,etc.

Specifications

Item

Unit

Min

Typical

Max

Analytical Method

Relative crystallinity

%

90

93


X-ray diffractometer

Total specific surface

m2/g

320

360


N2 Adsorption

Microporous specific surface

m2/g

270

280


N2 Adsorption

Silica-alumina ratio

/

25

27.5

30

XRF

Na2O

wt%


0.04

0.1

Flame Photometric Analysis

SO42

wt%


0.20

0.4

XRF

Cl-

ppm



70

Chemical Analysis

LOI

wt%



10

Gravimetric Analysis

D,50

µm


6

9

Lase Scatter Distribution

D,90

µm


9.0

15

Laser Scatter Distribution

>100µm



0

0.06

Laser Scatter Distribution


Lvneng Purification with professional high purity zsm-5 factory, is a best China high purity zsm-5 manufacturers and suppliers. We are always at your service.

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