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2007•Jiangsu Environmental Science and TechnologyRequires access

Study on Ultrafiltration of Micropolluted Water in Combination with Coagulation and PAC Process

LI Han-tin

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Abstract

The process of coagulation-hollow fibre ultrafiltration integrated with particle active carbon can remove turbidity and organic matters in micro-polluted water effectively. The turbidity of this combined membrane reactor's effluent was always stabilized on 0.350 NTU and the removal rates of UV_(254) and TOC were respectively about 60% and 40% after the reactor worked 550 minutes continuously. The filtration behavior of UF in this process is steady after a brief degressive phase. The cleaning experiment showed that the fouling was mainly produced by the small molecule organic.

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What this paper is about

The process of coagulation-hollow fibre ultrafiltration integrated with particle active carbon can remove turbidity and organic matters in micro-polluted water effectively. The turbidity of this combined membrane reactor's effluent was always stabilized on 0.350 NTU and the removal rates of UV_(254) and TOC were respectively about 60% and 40% after the reactor worked 550 minutes continuously. The filtration behavior of UF in this process is steady after a brief degressive phase. The cleaning experiment showed that the fouling was mainly produced by the small molecule organic.

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Available abstract

The process of coagulation-hollow fibre ultrafiltration integrated with particle active carbon can remove turbidity and organic matters in micro-polluted water effectively. The turbidity of this combined membrane reactor's effluent was always stabilized on 0.350 NTU and the removal rates of UV_(254) and TOC were respectively about 60% and 40% after the reactor worked 550 minutes continuously. The filtration behavior of UF in this process is steady after a brief degressive phase. The cleaning experiment showed that the fouling was mainly produced by the small molecule organic.

Key concepts: Ultrafiltration (renal), Turbidity, Coagulation, Effluent, Filtration (mathematics), Membrane fouling, Fouling, Water treatment

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