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Browsing by Author "Mugera, GW"

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Adsorption of As, B, Cr, Mo and Se from coal fly ash leachate by Fe3 modified bentonite clay

Author: Vhahangwele, M ; Mugera, GW ; Hlanganani, T Date: 2015 Fly ash contains the potentially toxic elements As, B, Cr, Mo and Se which upon contact with water may be leached to contaminate surface and subsurface water bodies. This study aims to evaluate the adsorption of these elements from coal fly ... Read more
Defluoridation of drinking water using Al3+-modified bentonite clay: Optimization of fluoride adsorption conditions

Author: Vhahangwele, M ; Mugera, GW ; Tholiso, N Date: Nov 2014 Al(sup3+)-bentonite clay (Alum-bent) was prepared by ion exchange of base cations on the matrices of bentonite clay. Intercalation of bentonite clay with Al(sup3+) was performed in batch experiments. Parameters optimized include time, dosage, ... Read more
The potential of ball-milled South African bentonite clay for attenuation of heavy metals from acidic wastewaters: Simultaneous sorption of Co(sup2+), Cu(sup2+), Ni(sup2+), Pb(sup2+), and Zn(sup2+) ions

Author: Vhahangwele, M ; Mugera, GW Date: Dec 2015 Adsorption of Co(sup2+), Cu(sup2+), Ni(sup2+), Pb(sup2+), and Zn(sup2+) by bentonite clay from polycationic solution was investigated. Mineralogical composition of clay was done using X-ray diffraction (XRD), elemental composition using X-ray ... Read more
Simultaneous sorption of As, B, Cr, Mo and Se from coal fly ash leachates by Al(sup3+)-pillared bentonite clay: implication for the construction of activated geo-synthetic clay liner

Author: Masindi, Vhahangwele ; Mugera, GW ; Tutu, H Date: Mar 2017 The present study reports the optimum conditions for intercalating the Al(sup3+) species to bentonite clay matrices and evaluate the potential of using Al(sup3+)-modified bentonite clay (Alum-Bent) for removal of oxyanionic species of As, B, ... Read more
Synthesis of porous magnesite-bentonite clay composite and its application for neutralisation and attenuation of inorganic contaminants in acidic and metalliferous mine drainage

Author: Masindi, Vhahangwele ; Mugera, GW ; Hlanganani, T ; De Beer, Morris Date: Aug 2015 This paper evaluated the application of cryptocrystalline magnesite-bentonite clay composite for treatment of acid mine drainage (AMD). Bench laboratory studies were used to evaluate the treatment of AMD. Read more

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Browsing by Author "Mugera, GW"

Browsing by Author "Mugera, GW"

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