Types of non-cryogenic Air Separation

Over the past twenty-five years or so, non-cryogenic air separation processes have been commercially used in various gas plants, especially by the relatively small-volume users of oxygen or nitrogen. This process is commercially viable because it offers a convenient and economical method to produce gaseous products based on differences in molecular weights, molecular size and other properties rather than producing products from air based on differences in boiling points as in cryogenic processing.

 

There are three major processes involved in non cryogenic air separation based on adsorption processes and membrane diffusion-separation systems. Non cryogenic processes produce oxygen which is almost 90-95% pure or nitrogen which is almost 95-99.5% free of oxygen. The three non cryogenic processes are as follows:

Tags:- Noncryogenic Gas Types, Pressure Swing Adsorption

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