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Study of γ Radiation and Chitosan on the Properties of Sludge Dewatering

Sheng Huang

Abstract

The effect of the dosage of chitosan and the γ radiation on sludge dewatering was analyzed through the determination of sludge specific resistance to filtration and turbidity.It was found that dewater ability was improved better when the sludge was radiation pretreatment at 4 KGy and the chitosan amount was 6 mL at the concentration of 6 g/L.

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Key concepts: Chitosan, Dewatering, Turbidity, Filtration (mathematics), Chemistry, Pulp and paper industry, Specific resistance, Waste management