Lub pob lim tau txais cov khoom siv ntshiab organic affinity, uas yog qhov tsim nyog rau cov adsorption ntawm nitrifying kab mob thiab lwm yam probiotics. Nws muaj cov qauv linear nrog siab permeability, huab cua permeability thiab expansibility, uas txhawb kev loj hlob thiab nitrification efficiency ntawm nitrifying kab mob.
Filter Ball yog dav siv hauv thoob dej yug ntses, pas dej da dej, pas dej, kev lag luam thiab dej phwj pov tseg kev kho mob rau nws cov txiaj ntsig zoo heev.
