Hiki i ka Osmosis Hoʻohuli ke wehe a hiki i ka 99%+ o nā paʻakai i hoʻoheheʻe ʻia (ions), nā ʻāpana, nā colloids, nā mea olaola, nā bacteria a me nā pyrogens mai ka wai hānai (ʻoiai ʻaʻole pono e hilinaʻi ʻia kahi ʻōnaehana RO e wehe i ka 100% o nā bacteria a me nā virus). Hōʻole ka membrane RO i nā mea haumia ma muli o ko lākou nui a me ka uku. ʻO kēlā me kēia mea haumia i loaʻa ke kaumaha molekala ma mua o 200 e hōʻole ʻia e kahi ʻōnaehana RO e holo pono ana (no ka hoʻohālikelike ʻana he MW o 18 ka mole wai). Pēlā nō, ʻo ka nui o ka uku ionic o ka mea haumia, ʻo ka nui o ka hiki ʻole ke hele ma waena o ka membrane RO. No ka laʻana, hoʻokahi wale nō uku (monovalent) o ka ion sodium a ʻaʻole i hōʻole ʻia e ka membrane RO a me ka calcium no ka laʻana, nona nā uku ʻelua. Pēlā nō, ʻo ia ke kumu ʻaʻole wehe maikaʻi kahi ʻōnaehana RO i nā kinoea e like me CO2 no ka mea ʻaʻole lākou i ionized nui ʻia (hoʻopiʻi ʻia) i ka wā i loko o ka hopena a he kaumaha molekala haʻahaʻa loa. No ka mea, ʻaʻole hoʻoneʻe kahi ʻōnaehana RO i nā kinoea, hiki i ka wai permeate ke haʻahaʻa iki ma mua o ka pae pH maʻamau ma muli o nā pae CO2 i ka wai hānai i ka wā i hoʻololi ʻia ai ka CO2 i ka waikawa carbonic.

ʻO kā mākou Rmau loa KAkānana wai smosis Hiki ke hoʻopilikino ʻia, nā kikoʻī like ʻole.