Elsevier

Water Research

Volume 21, Issue 5, May 1987, Pages 517-522
Water Research

General paper
Low technology water purification by bentonite clay and Moringa oleifera seed flocculation as performed in sudanese villages: effects on Schistosoma mansoni cercariae

https://doi.org/10.1016/0043-1354(87)90059-5Get rights and content

Abstract

Schistosoma mansoni cercariae were removed from clear and turbid water by flocculation with Sudanese bentonite clays, with Moringa oleifera seeds as well as with pure bentonite. The flocculation technique employed corresponds to that used to clarify Nile water in Sudanese villages. Moringa seeds, pure bentonite and one type of bentonite clay were able to reduce the number of cercariae by more than 90%.

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    Citation Excerpt :

    Zaid et al. (2019) achieved the turbidity removal up to < 5 NTU and proved natural coagulant of MO is effective in the treatment of water for drinking purpose. Olsen (1987) used MO in removal of the Schistosoma mansoni cercariae from clear and turbid water along with the bentonite clay. MO and pure bentonite were found effective in reducing number of carcariae by more than 90%.

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Supported by grants from DANIDA (The Danish International Development Agency).

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