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6640302 
Journal Article 
Study of Micro-polluted Water Treatment by Membrane Bioreactor(MBR) with Microporous Membranes with Different Pore Size 
Qiu, H; Xiao, T; Hu, N; Chen, S 
2018 
0 
Shui Chu Li Ji Shu: Technology of Water Treatment
ISSN: 1000-3770 
3 
94 
Chinese 
With the improvement of sanitary standards for drinking water and with the increasing of drinking water pollution, micro-polluted water treatment was get more and more attention. Nowadays, the conventional treatment process for micro-polluted water was more and more difficult to meet the requirements. Membrane bioreactor(MBR) is an effective process for micro-polluted water treatment, and the selection of microporous membrane with appropriate pore size is very important for effective control of membrane performance and membrane fouling. In this study, three kinds of microporous membranes with different pore size were used in the treatment of micro-polluted water by MBR, and the purification effect of different membranes was investigated systematically. The results showed that, the membrane pore size was the crucial factor in membrane flux and the turbidity removal rate. The larger the membrane pore size, the more serious membrane fouling, the faster the membrane flux and the lower turbidity removal rate.While for the removal of organic pollutants and ammonia nitrogen from the three membranes respectively had good removal efficiency. Further compared with three microporous membranes with different pore size, the self-made Poly(vinylidene fluoride)(PVDF)/Poly(vinyl alcohol)(PVA)blended membrane had the best performance in three membranes because of its stability of the effluent water quality. 
Environmental Studies--Waste Management; Fluoride; Membranes; Water treatment; Pollutants; Bioreactors; Water pollution; Fouling; Drinking water; Water quality; Water purification; Turbidity; Membrane processes; Water pollution treatment; Vinylidene fluoride; Pore size; Drinking behavior; Purification; Pollutant removal; Ammonia; Porosity; Alcohols; Stability; Fluorides; Removal