Igishishwa cya Walnut ni ugukoresha ihame ryo gutandukanya filtration yateje imbere ibikoresho byo gutandukanya neza, gukoresha ibikoresho birwanya amavuta yo kuyungurura - igishishwa cyihariye cya walnut nkigikoresho cyo kuyungurura, igikonjo cya waln gifite ubuso bunini, adsorption ikomeye, ibintu byinshi biranga umwanda, ikuraho amavuta nibintu byahagaritswe mumazi.
Kwiyungurura, amazi atemba kuva hejuru kugeza hasi, binyuze mugukwirakwiza amazi, kuyungurura ibintu, gukusanya amazi, kuyungurura byuzuye.Backwash, umukangurambaga ahindura akayunguruzo, amazi munsi, kugirango ibikoresho byo kuyungurura bisukure neza kandi bishya.