Reuse rate of treated wastewater in water reuse system

FAN Yao-bo , YANG Wen-bo , LI Gang , WU Lin-lin , WEI Yuan-song


Received January 20, 2005,Revised March 30, 2005, Accepted , Available online

Volume 17,2005,Pages 842-845

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A water quality model for water reuse was made by mathematics induction. The relationship among the reuse rate of treated wastewater(R), pollutant concentration of reused water(Cs), pollutant concentration of influent(C0), removal efficiency of pollutant in wastewater(E), and the standard of reuse water were discussed in this study. According to an experiment result of a toilet wastewater treatment and reuse with membrane bioreactors, R would be set at less than 40%, on which all the concerned parameters could meet with the reuse water standards. To raise R of reuse water in the toilet, an important way was improved to removal color of wastewater.

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