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Chemical Industry 3a Molecular Sieve Desiccant High Adsorption Speed

10 Kilograms
Chemical Industry 3a Molecular Sieve Desiccant High Adsorption Speed
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Size: 1.6-2.5mm, 3.0-5.0mm
Shape: Particle
Color: Beige
Bulk Density: ≥0.75g/ml,0.68g/ml
Water Adsorption: ≥21.0%
Ethylene Adsorption: ≤3.0mg/g
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molecular sieve type 3a


3 angstrom molecular sieves


chemical industry 3a zeolite

Basic Infomation
Place of Origin: Shaanxi,China
Brand Name: Xi'an Lvneng
Certification: ISO9001:2008
Model Number: 3A Molecular Sieve
Payment & Shipping Terms
Packaging Details: 1. Carton Drum/25KG 2. Carton Box/25KG; 3. Iron Drum/150KG
Delivery Time: 3-15 work days
Payment Terms: L/C, T/T
Supply Ability: 50 Tons/ per Month
Product Description

3a Molecular Sieve Desiccant For General Gas Dehydration




Water or other impurities present in the natural gas can increase the risk of damage to the pipeline as the result of corrosion or hydrate formation. Natural gas drying/dehydration are a process where water vapors are removed from the gas streams using the highly effective desiccant material known as molecular sieves. Different types of molecular sieves are used in industrial natural gas dehydration. This drying process using 3A, 4A and 5A solid desiccant materials are performed depending on the molecules size, pore size and polarity of the gas stream. They have little difference in water vapor concentration and the gas flow rate as per their respective pore size.


The natural gas containing water vapors and other contaminants are passed through the molecular sieve columns. With the help of high adsorption ability, the water gets removed from the gas stream to the low concentrations. Such adsorbents can be regenerated at specific temperatures based on the type of adsorbent used for the natural gas drying/dehydration process. The molecular sieves are considered as the most effective desiccant and adsorbent for drying the natural gas with the suitable molecules of critical pore diameters. 


Chemical Formula:




Technical Index:


Molecular Sieve 3A Typical Physical Properties
Item Unit 8*12 Mesh 4*6 Mesh
Bead Size mm 1.6-2.5 3.0-5.0
Bulk Density g/ml ≥ 0.70-0.82 0.65-0.80
Equilibrium Water Capacity @ 25 wt% 19.0-21.0 19.0-21.0
Equilibrium Ethylene Capacity mg/g≤ 3.0 3.0
Heat of Adsorption BTU/lb of H2O 1800 1800
Crush Strength Point Contact N ≥ 20-58 80-130
Variation Coefficient - 0.3 0.3
Attrition Rate wt% 0.1 0.1
Size Qualification % 98 98
Package Moisture wt% 1.5 1.5
The interval value of the indexes above are on the basis of the different grade of Molecular Sieve 3A




The molecular sieve shall be stored at room temperature, in which the relative humidity does not exceed 90%, and be not exposed to air, and prevented against water, acids and alkalizes.




1. The product cannot be exposed in the open air and should be stored in dry condition with the air-proof package.

2. The product should be regenerated after a certain period of adsorption. The appropriate regenerated temperature would be better below 350°C.


Chemical Industry 3a Molecular Sieve Desiccant High Adsorption Speed 0




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