09. COMPARISON OF THE FEASIBILITY OF ULTRAFILRATION AND NANOFILTRAITON MEMBRANE IN DRINKING WATER TREATMENT AT HOUSEHOLD SCALE

Abstract

The paper is aimed to build a water treatment model in the laboratory using nanofiltration (NF) and ultrafiltration (UF) membranes at a household scale. The filtration efficiency of both models will be assessed and compared, from which the paper will give the conclusion on the feasibility of each model in the application for drinking water treatment at household scale. The models were designed and tested in the laboratory of Hanoi University of Natural Resources and Environment. After that, the typical models were installed and tested at households in Truong Son Ward, Sam Son City, Thanh Hoa Province. Assessment is based on parameters of TDS, Hardness, Ammonium. The quality of the treated water meets QCVN 01/2009/BYT for drinking water