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Yang X.,Tongji University | Yang X.,State Key Laboratory of Pollution Control and Resources Reuse Study | Wu C.,Zibo Vocational College | He Y.,Tongji University | And 5 more authors.
AIP Conference Proceedings | Year: 2010

The health of humans and other organisms is threatened by increasingly serious water contamination by algae in all the country's major lakes such as Taihu Lake. This experiment was conducted to investigate the removal effects and mechanism of Microcystic aeruginosa by Chitosan-modified adsorbent, with comparison of polyaluminium chloride (PAC) and poly ferric sulfate (PFS). Microcystic aeruginosa grown in the laboratory was used for this experiment. The results showed that the algae-removal efficiency of Chitosan-modified adsorbent presents a good performance. When the dosage of the adsorbent reached 20ppm, the turbidity and the chlorophyll a of treated water dropped by 90% and 86%, respectively. Compared to conventional coagulation, the dosage was reduced. The adhesive bridge effect of Chitosan and adsorption of modified adsorbent provided an important complement to subsequent dehydrating treatment for algae. © 2010 American Institute of Physics. Source

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