Abstract
This research was aimed at studying the possibility of efficiently combining Mangifera indica and Phoenix dactylifera seeds powders as coagulants in wastewater treatment. The seeds were characterized for their composition, active compounds and proximate constituents using atomic adsorption spectroscopy, Scanning Electron Microscopy, and X-ray Diffraction analysis. Jar test was carried out using the seeds extracts separately and in combination at varying dosages and the Electrical Conductivity, Total Dissolved Solids, Chemical Oxygen Demand, Biochemical Oxygen Demand, Turbidity, Temperature, pH, and Total coliform were measured with every varying dosage. Statistical tools were used to validate the results of the Jar test. The sludge from the Jar test experiment was analyzed for its total nitrogen, organic carbon, organic matter, total volatile solids, and carbon: nitrogen ratio. Mangifera indica removed 89% turbidity, 96% BOD, 84% COD and 99% total coliform of the wastewater. Phoenix dactylifera removed 75% turbidity, 85% BOD, 78% COD and 88% total coliform of the wastewater. Their combination removed 96% turbidity, 96% BOD, 87% COD and 98% total coliform of the wastewater.
 Keywords: Mangifera indica, Phoenix Dactylifera, Coagulants, Wastewater
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