Molecular Sieve type 3A is an alkali Alumina silicate; it is the potassium form of the Type A crystal structure.
It can be used for industrial dehydration of unsaturated hydrocarbon materials such as cracked gases, ethylene, butadiene, propylene and any other non-acidic gases or liquids in petroleum and chemical industries. 3A has smaller pore size which can exclude all other molecules in the process of water absorption.
|Static water adsorption / %||≥ 21.0|
|Wear ration / %||≤ 0.2|
|Size ratio up to grade a/ %||≥ 98|
|Bulk density / (g/ml)||≥ 0.66||0.7|
|Static ethylene adsorption / %||3.0|
|Crushing strenght N/grain||40||90||35||100|
|Relative standard deviation C ≤||0.3|
|Dynamic water adsorption / % ≥||15.0||10.0|
|Water content, as shipped /% ≤||1.5|
|The water content as shipped shall be subject to the factory test data.|
1) Dehydration of many kinds of liquids (e.g. Ethanol).
2) Dehydration of air.
3) Dehydration of Refrigerant.
4) Dehydration of natural gas or methane.
5) Dehydration of cracked gas, ethylene, ethyne, propylene or butadiene
Type 3A molecular Sieve is recommended for drying unsaturated hydrocarbons and highly polar compounds such as methanol and ethanol. The 3A structure is particularly effective in dehydrating the inner space of insulating glass windows as well as refrigerant gases.
Molecular Sieve 3A can be revived for reuse and the required factors for revival are temperature and pressure. To remove the adsorbed moisture and other materials, the revival condition shall be set up considering the features of target material and processing environment. The general revival temperature of Molecular Sieve 3A is about 200-350ºC.
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Product Categories : Molecular Sieve
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