Analysis on the Causes of Abnormal Residual Chlorine in the Effluent of Nanshan Waterworks
Taking Nanshan Waterworks in Yongkang City as an example,in response to the abnormal fluctuation of residual chlorine in the effluent,the influence of online instruments,the amount of chlorine added,and water quality factors were excluded.Finally,it was found that the abnormal fluctuation of residual chlorine in the effluent was caused by the backflow of the phase Ⅱ No.2 clean water tank back to the phase Ⅱ No.1 clean water tank.The chlorine addition point at the outlet of the phase Ⅱ clean water tank was cancelled and set on the main pipe for water collection,and the abnormal fluctuation of residual chlorine in the effluent was solved.
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