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2004•Journal of Tongji UniversityRequires access

Treatment of Yangtze River Water by Ultrafiltration Combined with Coagulation

Fan Ji-chu

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Abstract

This paper deals with the pilot test of the Yangtze River by coagulation associated with ultrafiltration(UF).The results show that the removal efficiency of turbidity is 99.9% and that dissolve organic matter ρ (DOC),chemistry oxygen demand (COD),ultraviolet absorbance(at 254 nm) have been removed differently.The water quality is better and 2/3 coagulant is saved in comparison with the conventional treatment in the same period.Transmembrane pressure of UF system increases very slowly for running about 6 months,just from 0.02 MPa to 0.034 MPa.

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What this paper is about

This paper deals with the pilot test of the Yangtze River by coagulation associated with ultrafiltration(UF).The results show that the removal efficiency of turbidity is 99.9% and that dissolve organic matter ρ (DOC),chemistry oxygen demand (COD),ultraviolet absorbance(at 254 nm) have been removed differently.The water quality is better and 2/3 coagulant is saved in comparison with the conventional treatment in the same period.Transmembrane pressure of UF system increases very slowly for running about 6 months,just from 0.02 MPa to 0.034 MPa.

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Available abstract

This paper deals with the pilot test of the Yangtze River by coagulation associated with ultrafiltration(UF).The results show that the removal efficiency of turbidity is 99.9% and that dissolve organic matter ρ (DOC),chemistry oxygen demand (COD),ultraviolet absorbance(at 254 nm) have been removed differently.The water quality is better and 2/3 coagulant is saved in comparison with the conventional treatment in the same period.Transmembrane pressure of UF system increases very slowly for running about 6 months,just from 0.02 MPa to 0.034 MPa.

Key concepts: Turbidity, Ultrafiltration (renal), Coagulation, Yangtze river, Absorbance, Chemistry, Water quality, Chemical oxygen demand

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