Cov khoom siv rau dej phwj tuaj yog dab tsi?

Cov neeg ua haujlwm xav ua txoj haujlwm zoo yuav tsum yog thawj zaug, kev kho dej phwj tuaj, peb yuav tsum tau kho cov dej phwj cov dej zoo, peb yuav tsum tau kho cov khoom siv lim dej zoo, peb yuav tsum tau kho cov dej phwj tuaj thiab kev kho kom zoo ib yam nkaus.

Cov khoom siv lim dej ua dab tsi?

Yuav muab faib rau hauv cov khoom siv dej phwj tuaj thiab cov cuab yeej kho cov khoom siv sludge, dej phwj tuaj thiab sludge tsis sib cais.

Cov khoom siv dej phwj tuaj yeem muaj cov cua txias, cov tso tsheb hlau luam, metring thiab cov khoom siv roj ntsha, cov khoom siv roj av, cov av nkos, grating thiab lwm yam.

Sludge cov cuab yeej siv cov khoom siv suav nrog lim xovxwm, tshuab ntsia hlau nias, centrifuge, sludge dewateratering tshuab thiab lwm yam.