Abstract
Natural plant-based coagulant is a natural based coagulant that can be used in coagulation process of water treatment. This study was conducted to investigate the potential of plant-based materials as coagulants for surface water treatment. Two types of locally available plant-based materials were selected as natural coagulants in this study are soybean and banana peel. Their efficiency in removing turbidity and color from raw surface water were analysed. Findings from the present study showed that the coagulation efficiency using soybean and banana peel were comparable to conventional chemical coagulants. The treatment of surface water using soybean and banana peel coagulant were found to be the most effective at dosage of 120 mg/L. The turbidity removal efficiency for soybean and banana peel are 23.2% and 15% respectively. In present works, both plant-based coagulants were found to be a suitable coagulant for surface water on the basis of removal of turbidity and color, respectively.
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