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Water SA

On-line version ISSN 1816-7950
Print version ISSN 0378-4738


ODIYO, JO; BASSEY, OJ; OCHIENG, A  and  CHIMUKA, L. Coagulation efficiency of Dicerocaryum eriocarpum (DE) plant. Water SA [online]. 2017, vol.43, n.1, pp.1-6. ISSN 1816-7950.

A study was conducted to investigate coagulation efficiency of the plant Dicerocaryum eriocarpum (DE) in the removal of turbidity from raw water. Widespread poor land use practices contribute to high turbidity in river water, making turbidity management or removal critical, particularly before the water is used for drinking or subjected to chemical treatment. In this study, mucilage from DE was extracted with deionized water and different chloride solutions. A coagulation efficiency of 99% using modified mucilage coagulant was achieved. The modified mucilage of potassium crude extract and sodium crude extract displayed higher coagulation efficiencies than unmodified mucilage of deionized water crude extract. An increase in coagulant dosage and initial turbidity influenced the coagulation efficiency of DE coagulant. A large reduction in turbidity levels of the treated water samples resulted in an improvement in water quality.

Keywords : coagulation; Dicerocaryum eriocarpum plant; mucilage; optimise; turbidity.

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