Author:
Salwa M Z M,Amirah A S N,Mahyun A W,Hassan Z,Mohamed Norsyazwani Che
Abstract
Abstract
Moringa oleifera was tested as a coagulant for its excellent coagulating properties in the treatment of water and wastewater. Moringa oleifera is a tropical plant belonging to the family of Moringaceae, besides being a non-toxic and natural organic polymer. The aim of this study is to investigate the removal of chemical oxygen demand (COD) from landfill leachate using Moringa oleifera through a coagulation-flocculation process. In this study, Moringa oleifera was used as a coagulant. Jar test experiments were employed in order to determine the optimum conditions of coagulant dosage and pH. The conditions of Moringa oleifera dosage of 20 mL and pH 2 were found to be optimal in the effective treatment of the landfill leachate. The study has proven that Moringa oleifera is a good natural coagulant for water treatment. Furthermore, only a small quantity of Moringa oleifera is required in treating a large amount of leachate.
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