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Removal of Heavy Metals from Water and Wastewater Using Moringa oleifera

In: Trace Metals in the Environment - New Approaches and Recent Advances

Author

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  • Eman Noori Ali

Abstract

One of the contaminants in wastewater is the heavy metals. Treatment of heavy metals is of great importance because they can be harmful and dangerous for human being health. Conventional removal methods used include: ultrafiltration, reverse osmosis, ion exchange, solvent extraction, sedimentation, and chemical precipitation, and each method has some disadvantages besides high costs. In this chapter, Moringa oleifera cake residue, Moringa oleifera press cake, and Moringa oleifera leaves are introduced as a proposed alternative to replace conventional methods for heavy metal ions' removal. The results of using Moringa oleifera cake residue showed that iron (Fe) was fully removed; copper (Cu) and cadmium (Cd) were successfully removed up to 98% and reduction of lead (Pb) of 82.17%. The heavy metals were successfully reduced using Moringa oleifera press cake. The removal percentage of iron, copper, and chromium reached 69.99%, 88.86%, and 93.73%, respectively. Moringa oleifera leaves were used to remove Cd (II) from synthetic water; the optimization was performed and each parameter was affecting the Cd (II) removal with different percentages, but pH was insignificant. As a conclusion, the Moringa oleifera seeds and leaves can be considered as a promising alternative in water treatment for heavy metal ions removal.

Suggested Citation

  • Eman Noori Ali, 2021. "Removal of Heavy Metals from Water and Wastewater Using Moringa oleifera," Chapters, in: Mario Alfonso Murillo-Tovar & Hugo Albeiro Saldarriaga Norena & Agnieszka Saeid (ed.), Trace Metals in the Environment - New Approaches and Recent Advances, IntechOpen.
  • Handle: RePEc:ito:pchaps:198446
    DOI: 10.5772/intechopen.89769
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    Citations

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    Cited by:

    1. Mohamed E. Abd El-Hack & Mahmoud Alagawany & Ahmed S. Elrys & El-Sayed M. Desoky & Hala M. N. Tolba & Ahmed S. M. Elnahal & Shaaban S. Elnesr & Ayman A. Swelum, 2018. "Effect of Forage Moringa oleifera L. (moringa) on Animal Health and Nutrition and Its Beneficial Applications in Soil, Plants and Water Purification," Agriculture, MDPI, vol. 8(9), pages 1-22, September.
    2. Nidhal Marzougui & Ferdaous Guasmi & Sondes Dhouioui & Mohamed Bouhlel & Mohamed Hachicha & Ronny Berndtsson & Noomene Sleimi, 2021. "Efficiency of Different Moringa oleifera (Lam.) Varieties as Natural Coagulants for Urban Wastewater Treatment," Sustainability, MDPI, vol. 13(23), pages 1-14, December.

    More about this item

    Keywords

    water treatment; Moringa oleifera; heavy metals; cadmium; copper;
    All these keywords.

    JEL classification:

    • Q55 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environmental Economics: Technological Innovation

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