Walnut shell filter iko kushandiswa kwesefa yekuparadzanisa nheyo yakagadziridzwa yakabudirira kupatsanura michina, kushandiswa kwemafuta-resistant sefa zvinhu - yakakosha walnut shell sesefa yepakati, iyo walnut shell ine nzvimbo yakakura yepasi, yakasimba adsorption, huwandu hukuru hwekusvibisa maitiro, bvisa. mafuta uye zvinhu zvakaturikwa mumvura.
Kusefa, kuyerera kwemvura kubva kumusoro kusvika pasi, kuburikidza nemugovera wemvura, sefa zvinhu layer, muunganidzi wemvura, kusefa kwakazara. Backwash, iyo agitator inoshandura iyo sefa zvinhu, mvura pasi kumusoro, kuitira kuti iyo sefa zvinhu zvakanyatsocheneswa uye kuvandudzwa.