Forward filtration method of thim rov qab osmosis dej ntshiab tshuab

Txoj Cai: Feem ntau ntawm lawv siv 50-100um stainless hlau lim tshuaj ntsuam. Cov dej siab ntawm cov kais dej nkag los ntawm phab ntsa sab hauv mus rau sab nrauv ntawm cov kav dej. Cov impurities xws li sediment, xeb, liab worms, thiab lwm yam yog daig los ntawm lub membrane qhov. Qhib lub qhov dej ntws tawm kom rov ntxiv cov impurities daig los ntawm stainless hlau membrane. Cov dej ntxiv yog ntxuav tawm kom paub txog kev ntxuav cov lim dej.

Disadvantages: Yog tias cov dej tsis zoo, lossis cov neeg siv khoom tsis zoo, cov khoom lim tau yooj yim raug thaiv. Tsis tsuas yog cov impurities me me tsis tuaj yeem ntxuav tawm, tab sis lawv tau muab tso rau hauv qhov tob thiab nruj dua hauv cov lim dej, uas yooj yim los ua cov pa phem thib ob. Tsuas yog qhib lub plhaub. Tshem cov lim tawm thiab txhuam nrog txhuam hniav.