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TitleEvaluation of Moringa oleifera seed flour and clays as clarifying agents of eutrophic lake water
Author(s)Santos, Andréa F. S.
Rodrigues, M.
Cardoso, João Miguel Sousa
Rodrigues, A. C.
Teixeira, J. A.
Paiva, Patrícia M. G.
Coelho, L. C. B. B.
Brito, A. G.
Martins, Gilberto
Issue date2014
CitationSantos, Andréa F. S.; Rodrigues, M.; Cardoso, J.; Rodrigues, A. C.; Teixeira, José A.; Paiva, P. M. G.; Coelho, L. C. B. B.; Brito, A. G.; Martins, Gilberto, Evaluation of Moringa oleifera seed flour and clays as clarifying agents of eutrophic lake water. CHEMPOR 2014 - Book of Extended Abstracts of the 12th International Chemical and Biological Engineering Conference. No. O-SE7, Porto, Portugal, Sep. 10-12, 9-20-9-222014. . ISBN: 978-972-752-170-8
Abstract(s)Eutrophication is an environmental dysfunction which causes the proliferation of algae in aquatic ecosystems by excess of nutrients. Moringa oleifera seeds are used as natural coagulant to water treatment. In order to mitigate the eutrophication, clays can be added to the water promoting the removal of organic matter and/or nutrients. In this work M. oleifera seed flour and different clays were assayed to treat eutrophic lake water. The results showed that moringa seed flour removed color, turbidity and organic matter from water. Also, a biofilter with the seed flour removed phosphorous (46%) and dissolved organic carbon (DOC) (68%). Bentonite was the best clay to treat lake eutrophic water, but seed flour from moringa was more efficient than bentonite, even in low concentrations and can be used to treat eutrophic water through an envionmental friendly technology.
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Appears in Collections:CEB - Resumos em Livros de Atas / Abstracts in Proceedings

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