ʻO VPSA, a i ʻole Vacuum Pressure Swing Adsorption, he ʻenehana hou i hoʻohana ʻia i ka hana ʻana o ka oxygen maʻemaʻe kiʻekiʻe. Aia kēia kaʻina hana i ka hoʻohana ʻana i kahi kānana molekala kūikawā e hoʻopili i nā mea haumia e like me ka nitrogen, carbon dioxide, a me ka wai mai ka lewa ma ka lewa kaomi ...
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