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The research studied enhanced treatment of sewage from discharging points of rivers by biofilm process dosing with enzyme and the effect of mineral oil on removal rates of the main pollution indexes, and investigated promotion effect of enzyme (including the laboratory developed compounded enzyme and the foreign composite enzyme) on treatment of sewage by biofilm process. The research results indicated...
The research studied enhanced treatment of sewage from discharging points of rivers by biofilm process dosing with enzyme and the effect of phenol on removal rates of the main pollution indexes, and investigated promotion effect of enzyme (including the laboratory developed compounded enzyme and the foreign composite enzyme) on treatment of sewage by biofilm process. The research results indicated...
The variation of Assimilable Organic Carbon (AOC) during the coagulation of raw surface water and synthetic water by Al2(SO4)3 was investigated. It was found that the removal rate of AOC concentration during alum coagulation of raw surface water was about 49.5% at high coagulant dosages. The AOC of water decreased efficiently during coagulation in the case of synthetic water at lower coagulant dosages,...
A three-dimensional coupled physical and water quality model was developed and applied to Jiaozhou Bay to study water quality involving nutrients, biochemical oxygen demand, dissolved oxygen, and phytoplankton. The water quality model is based on WASP5 which quantifies processes governing internal nutrients cycling, dissolved oxygen balance, and phytoplankton growth. The model was used to simulate...
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