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Articles by C.N. Chukwujekwu
Total Records ( 1 ) for C.N. Chukwujekwu
  O.E. Adejumo , C.N. Chukwujekwu , A.L. Kolapo and A.O. Olubamiwa
  The use of Moringa oleifera (MO) seed in coagulation of water has been established. However, during the subsequent disinfection process by chlorine, organic matter can act as precursor of trihalomethane which may be carcinogenic. This study investigates the possibility of using Moringa oleifera (MO) leaf as a means of disinfecting some potable water samples in Sagamu, Nigeria. River and Well water samples were aseptically collected and treated with dried MO leaf powder. The treated water samples were both subjected to bacteriological and chemical analyses. There was no significant (p>0.05) reduction in coliform count following treatment; only Staphylococcus aureus was removed by the addition of MO leaf powder while other bacteria such as Pseudomonas aeruginosa, Escherichia coli, Proteus mirabilis and Klebsiella spp., subsisted in the treated water. The treatment process did not remove chloride and sulphate from the test water samples. The Total Dissolved Phosphates (TDP) contents of raw water ranged between 8 and 11 mg L-1 while it rose to between 19 and 30 mg L-1 in the treated samples. Dissolved Organic Phosphates (DOP) constituted between 79 and 92% of TDP. The present study showed that MO leaf exhibited a narrow spectrum antibacterial activity and may not be the best candidate for organic disinfection during water treatment. Further, the implication of phosphate concentration increase sequel to treatment is discussed.
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