Hoʻohana nui ʻia ke kānana one Quartz ma ke ʻano he lako osmosis hoʻohuli a me nā lako ultrafiltration pretreatment, ʻo ia hoʻi no ka sediment, colloids, metal ions a me nā mea organik no ka interception, adsorption. ʻO nā mea kānana i hoʻohana pinepine ʻia he one quartz, kalapona i hoʻāla ʻia, anthracite, one manganese a pēlā aku. Hoʻohana nui ʻia i ka irrigation mahiʻai, ʻoihana kemika, petroleum, metallurgy, mining a me nā ʻoihana ʻē aʻe.