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    A study of the removal of heavy metals from aqueous solutions by Moringa oleifera seeds and amine-based ligand 1,4-bis[N,N-bis(2-picoyl)amino]butane

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    Obuseng_ACA_2012.pdf (865.2Kb)
    Date
    2012
    Author
    Obuseng, V.
    Nareetsile, F.
    Kwaambwa, H.M.
    Publisher
    Elsevier Science Ltd, www.elsevier.com/locate/aca
    Link
    http://ac.els-cdn.com/S0003267012002103/1-s2.0-S0003267012002103-main.pdf?_tid=9be309b4-136c-11e2-9a30-00000aab0f02&acdnat=1349936976_9d09d17c64cd44d1dfc8add0df2aefbe
    Type
    Published Article
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    Abstract
    Uptake for lead, copper, cadmium, nickel and manganese from aqueous solution using the Moringa oleifera seeds biomass (MOSB) and amine-based ligand (ABL) was investigated. Experiments on two synthetic multi-solute systems revealed that MOSB performed well in the biosorption and followed the decreasing orders Pb(II)>Cu(II)>Cd(II)>Ni(II)>Mn(II) and Zn(II)>Cu(II)>Ni(II). The general trend of the heavy metal ions uptake by the amine-based ligand followed decreased in the order Mn>Cd >Cu> Ni>Pb, which is the reverse trend for what was observed for MOSB. Comparing the single- and multi-metal solutions, there was no clear effect in the biosorption capacity of MOSB suggesting the presence of sufficient active binding sites for all metal ions studied. The MOSB performance is also not affected by pH in the range 3.5–8.
    URI
    http://hdl.handle.net/10311/1039
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    • Research articles (Dept of Chemistry) [85]

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