Wang Yuheng

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Floc structure and strength play important roles in particles separation in water treatment. In a jar test of coagulation/flocculation/dissolved air flotation (C/F/DAF) process, aluminium sulphate (AS) and polyaluminium chloride (PAC) were used as coagulants to treat the algal-rich water which had a high concentration of Microcysits aeruginosa (MA) cells.(More)
As a new dissolved air flotation (DAF), the countercurrent DAF (CCDAF) has been proved to overcome some limitations of the traditional co-current DAF. In this study, the operational mode of CCDAF process was improved to enhance the treatment efficiency by the step-recycle of dissolved air water. The experimental results indicated: the improved process could(More)
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