Extraction and characterization of coagulation active agent from moringa oleifera for turbidity and hardness removal in raw water sources
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The objective of this study is to explore the capacity of the active agent that extracted from Moringa oleifera (MO) by various solutions for turbidity and hardness removal in raw water sources. The extracted active agent was also characterized based on its functional group analysis. The solutions of NaCl, KCl and distilled water were used as the active agent extraction. To achieve these objectives, some experiments have been performed and a qualitative explanation and quantitative correlation have been made. The results showed that NaCl 1N as solution delivered better removal capacity for turbidity and hardness in raw water in comparison to KCl 1N and distilled water. Meanwhile, the functional group characterization by FTIR of the residual solid after extraction indicated that the order of N-H and C=O bond removal for solution of NaCl 1N is larger than KCl 1N and distilled water. Proteins in Moringa oleifera extracted with distilled water, NaCl 1N, and KCl 1N are the most effective at pH 7. The regression equation y = 1.634x + 0.0026, where the correlation coefficient (R2) value found is 0.9989.