期刊名称：Journal of Environmental Science and Technology
印刷版ISSN：1994-7887
电子版ISSN：2077-2181
出版年度：2017
卷号：10
期号：5
页码：268-275
DOI：10.3923/jest.2017.268.275
出版社：Asian Network for Scientific Information
摘要：Background and Objective: Drinking water needs to be treated in order to remove impurities and bacteria to meet the quality guidelines which satisfy 5 nephelometric turbidity unit (NTU) for drinking water requirement according to World Health Organization. This project is aimed to compare the treatment efficiency of Moringa oleifera Lam. to that of aluminum sulphate, regarding both treatment efficiency and their effects on water quality in terms of turbidity removal. Methodology: The study is conducted using Jar tests. Data obtained from the experiments are analyzed using microsoft excel office professional plus 2013 and pearson correlation. Results: Moringa oleifera as coagulant reduced the initial turbidity reading of 35.9±1.65 NTU to 3.17±0.3 NTU at optimum dosage of 15 mg L1 while aluminum sulphate to 7.26±2.13 NTU at dosage of 55 mg L1. The treatment efficiency of both coagulants are as follows, Moringa oleifera with 91.17% and aluminum sulphate 78.72%. At initial acidic reading 5.67±0.23 of the water sample, Moringa oleifera final pH reading increases to 6.05±0.03 while aluminum sulphate decreases to higher acidity level of 3.43±0.05. The initial conductivity reading 86.67±5.77 μS increased significantly to 1120±10.0 μS for aluminum sulphate while for Moringa oleifera remains fairly constant at 113.33±5.77 μS. The final temperature recorded for both coagulants are still at room temperature range of 22.07-24.97°C. Conclusion: Thus, in the light of this study, an establishment of a cheaper and safer coagulant to treat the problems that rises due to the usage of aluminum sulphate such as health implications for rural areas usage can be established.
