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3A molecular sieve is mainly used for drying various liquids (such as ethanol), air, refrigerant, natural gas, methane gas; it is also used for drying unsaturated hydrocarbons and cracked gas, ethylene, acetylene, propylene, butadiene. The main application areas are architectural glass industry, gas refining and purification, petrochemical industry, etc.
4A molecular sieve is mainly used for the drying of natural gas and various chemical gases and liquids, refrigerants, medicines, electronic materials and variable substances, the purification of argon, and the separation of methane, ethane, and propane. Its main application areas are water treatment, metallurgical industry, petrochemical industry, agriculture, medicine, etc.
5A molecular sieve is mainly used for natural gas drying, desulfurization, carbon dioxide removal, nitrogen and oxygen separation, nitrogen and hydrogen separation.
It is also used to prepare oxygen, nitrogen and hydrogen, dewax petroleum, and separate normal hydrocarbons from branched hydrocarbons and cyclic hydrocarbons. Its main application areas are the drying and refining of chemical industry, petroleum and natural gas, ammonia decomposition gas and other industrial gases and liquids.