5A ka nui o ka sieve pore nui no 5A, hiki ke adsorption ma lalo o ke anawaena o kēlā me kēia mole, hoʻohana nui ʻia i ka heterogeneous hydrocarbon hoʻokaʻawale, adsorption swing swing, hoʻokaʻawale adsorption a me ka wai a me carbon dioxide, e pili ana i nā ʻano hana ʻoihana o 5A kānana molaki, ʻo mākou i ka hana ʻana o 5e sieve mole mole e koho i ka adsorption kiʻekiʻe, ka wikiwiki o ka adsorption, kūpono kūpono no ka adsorption swing swing, hiki ke hoʻopili i nā ʻano o ka oxygen, hydrogen, carbon dioxide a me nā ʻenekini pēpē pākī ʻenekini, ʻo ia ke kiʻekiʻe kiʻekiʻe nā huahana i ka adsorption swing swing pressure (PSA).