White Zsm-5 Powder With Si/Al Ratio 25, 38, 50, 80, 150, 300

Name: White Zsm-5 Powder With Si/Al Ratio 25, 38, 50, 80, 150, 300
Brand: QD
SKU: TS-1
Price: 40000 USD
Availability: InStock
Rating: 5 (107 reviews)

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White Zsm-5 Powder With Si/Al Ratio 25, 38, 50, 80, 150, 300

Large Image : White Zsm-5 Powder With Si/Al Ratio 25, 38, 50, 80, 150, 300

Product Details:

Place of Origin:	china
Brand Name:	QD
Certification:	ISO9001：2015
Model Number:	TS-1

Payment & Shipping Terms:

Minimum Order Quantity:	1 kg
Price:	USD40000-100000 Ton
Packaging Details:	25kg/bags or 500kg/bags and carbon
Delivery Time:	5-8days
Payment Terms:	T/T, L/C
Supply Ability:	50Ton per month

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White Zsm-5 Powder With Si/Al Ratio 25, 38, 50, 80, 150, 300

Description

CAS:	1327-44-2	Other Names:	Zeolite Catalyst Zsm-5 Molecular Sieve
MF:	Sodium Sulfate Alumina 2.0SiO2. 4.5 Water	EINECS:	215-684-8
Usage:	Petroleum Additives, Rubber Additives, Surfactants	Na2O:	0.1%
Silicon To Aluminum Ratio:	25, 38, 50, 80, 150, 300	Purity:	99%
High Light:	White Zsm-5 Zeolite Powder , Al Ratio 25 Zsm-5 Zeolite

white zsm-5 powder with Si/Al ratio 25, 38, 50, 80, 150, 300

Chemical composition

SiO2/Al2O3	Na2O(%)	Al2O3(%)	SiO2(%)
25	≤0.1	5-5.5	80-85
38	≤0.1	3.8-3.9	85-86
50	≤0.1	2.-2.6	86-87

ZSM-5

1. ZSM-5 zeolite is a high-silica zeolite, and has a Si/Al ratio of more than 1000, and also shows hydrophobic properties.

2. The structural feature of ZSM-5 zeolite is that the vertical and horizontal parts are crystalline aluminosilicates composed of ten-element channels. The basic structure consists of eight 5-membered rings, which have only channels and no cageless cavities.

3. ZSM-5 has two sets of cross channels, one of which is elliptical with a window diameter of 0.55 to 0.60nm. Since the shape of the reaction space and the channel are similar, the zeolite has a shape selection effect on the reactants and products.

4. In addition, because of its harmonious structure and good hydrothermal stability, ZSM-5 is a good raw material for selective catalysts.

The CAS Number Is 69912-79-4 Petroleum Additives Zsm-5 Parameters

Item	Unit	Min	Typical	Max	Analytical Method
Relative crystallinity	%	90	93		X-ray diffractometer
Total specific surface	m2/g	320	360		Adsorption
Microporous specific surface	m2/g	270	280		Adsorption
Silica-alumina ratio	/	25	27.5	30	XRP
Na2O	wt%		0.04	0.1	Flame Photometric Analysis
SO42	wt%		0.2	0.4	XRP
Cl-	ppm			70	Chemical Analysis
LOI	wt%			10	Gravimetric Analysis
D,50	μm		6	9	Lase Scatter Distribution
D,90	μm		9	15	Laser Scatter Distribution
>100μm			0	0.06	Laser Scatter Distribution

ZSM-5 application

ZSM-5 type zeolite is widely used in the petrochemical industry, as an auxiliary agent for fluidization, catalytic and cracking processes, can produce more propylene and liquefied gas, and increase the octane number of gasoline. In addition, the zeolite can also be used in the production of ethylbenzene, xylene, phenol, pyridine, etc.

ZSM-5 features

Large-scale ZSM-5 zeolite crystals synthesized in a fluoride medium show amazing activity, stability, and selectivity to light olefins in methanol-to-olefin (MTO) reactions. Through proper control of synthesis parameters, ZSM-5 single crystals of unprecedented high quality can be produced. SEM, HRTEM, CO-FTIR, 27 Al and 19 F MAS-NMR, Rietveld structure refinement and flatness proved that there are no usually uncontrollable variables, such as structural defects, external non-selective surface acid sites and aluminum outside the framework ( EFAl) species. N 2-and argon adsorption measurement. Interestingly, the diffusibility of different probe molecules (toluene, benzene, and neopentane) has been evaluated by PFG-NMR, which allows light to be projected on interesting structure-diffusion-activity relationships. The “suspension” effect can be proved through experiments, and its impact on catalysis has been highlighted in the rationalization attempt: the diffusion model based on Maxwell-Boltzmann can correctly predict the product of this counter-intuitive methanol-to-propylene (MTP) catalyst distributed.

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