Nano tacewa / Ultra tacewa

Ana amfani da nanofiltration / ultrafiltration yawanci don samar da ruwan ma'adinai, ruwan dutse, shi ne tsari na matsin lamba a matsayin ƙarfin motsawa, ta amfani da membrane na ultrafiltration don raba ƙarancin ruwa a cikin abubuwa daban-daban. A halin yanzu a cikin masana'antar sarrafa ruwa, polypropylene da polypropylene suna amfani da kayan aikin fiber mafi yawa.