... of many kinds of liquids (say ethanol), air, refrigerant, natural gas, methane, cracked gas, ethylene, propylene, butadiene.The pore size ... in industries.Typical applications:1) Deep drying of air, natural gas, alkane and refrigerant2) Generation and purification of argon3 ... More importantly, it can successfully avoid the tremendous air pressure unbalancely placed on the glasses, which was superposed ...