Cov khoom siv rov qab osmosis yog cov txheej txheem dej kho tau tsim nyob ib puag ncig rov qab osmosis membrane. Ib qho kev rov qab osmosis tag nrho muaj cov kev kho mob ua ntej, ib qho rov qab osmosis host (membrane filtration section), ib qho kev kho tom qab, thiab seem tu system.