Strong Compressive Adsorbent 3A Molecular Sieve Desiccant For Gases & Liquids Desiccation Catalysis
Product Description of 3A Molecular Sieve Desiccant
3A molecular sieve is an alkali metal aluminosilicate, also called 3A zeolite molecular sieve. Type 3A molecular sieve refers to the type A molecular sieve containing NA+, which is recorded as NA-A. If NA+ is replaced by K+, molecular sieves with a pore size of about 3A; 3A molecular sieves are mainly used to adsorb water, and do not adsorb any molecules with a diameter greater than 3A. It is a desiccant necessary for deep drying, refining and polymerization of gas and liquid phases in the petroleum and chemical industries.
Molecular sieves have extremely strong hygroscopic ability (so they are widely used as desiccants) and are used for gas purification. Avoid direct exposure to air during storage. Molecular sieves that have been stored for a long time and have absorbed moisture should be regenerated before use. Molecular sieves avoid oil and liquid water. When using, try to avoid contact with oil and liquid water. The gases used for drying in industrial production include air, hydrogen, oxygen, nitrogen, argon, etc. Two adsorption dryers are connected in parallel, one works and the other can be regenerated. Alternate work and regeneration to ensure continuous operation of the equipment. The dryer works at 8-12°C and is regenerated by flushing under heating to 350°C. The regeneration temperature of molecular sieves of different specifications is slightly different. Molecular sieves have a good catalytic effect on some organic gas reactions.
Technical Specification of 3A Molecular Sieve Desiccant
|Item||Unit||8*12 Mesh||4*8 Mesh|
|Bulk Density||g/ml ≥||0.75||0.68|
|Equilibrium Water Capacity @ 25°c||wt% ≥||21||21|
|Equilibrium Ethylene Capacity||mg/g ≤||3.0||3.0|
|Heat of Adsorption||BTU/lb of H2O||1800||1800|
|Point Contact||N ≥||35||100|
|Attrition Rate||wt% ≤||0.1||0.1|
|Size Qualification||% ≥||98||98|
|Package Moisture||wt% ≤||1.5||1.5|
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FAQ of 3A Molecular Sieve Desiccant
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