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Browsing by Author "Gitari, WM"

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Adsorption of phosphate from municipal effluents using cryptocrystalline magnesite: complementing laboratory results with geochemical modelling

Author: Masindi, Vhahangwele ; Gitari, WM ; Pindihama, KG Date: Nov 2015 The use of low-cost and locally available material in the treatment of wastewater has recently become an issue of interest, and magnesite as a low-cost material has been used for the removal of heavy metals in wastewater and has also shown ... Read more
Fate of sulphate removed during the treatment of circumneutral mine water and acid mine drainage with coal fly ash: Modelling and experimental approach

Author: Madzivire, G ; Gitari, WM ; Kumar Vadapalli, VR ; Ojumu, TV ; Petrik, LF Date: Oct 2011 The treatment of acid mine drainage (AMD) and circumneutral mine water (CMW) with South African coal fly ash (FA) provides a low cost and alternative technique for treating mine wastes waters. The sulphate concentration in AMD can be reduced ... Read more
Kinetics and equilibrium studies for removal of fluoride from underground water using cryptocrystalline magnesite

Author: Masindi, Vhahangwele ; Gitari, WM ; Ngulube, T Date: Sep 2015 In the present study, the defluoridation capabilities and adsorption mechanisms of cryptocrystalline magnesite were evaluated. All experiments were done by batch procedure. Conditions assessed include time, dosage, concentration, pH and the ... Read more
Neutralization and attenuation of metal species in acid mine drainage and mine leachates using magnesite: a batch experimental approach

Author: Masindi, Vhahangwele ; Gitari, WM ; Tutu, H ; De Beer, Morris ; Nekhwevha, N Date: Aug 2014 This paper evaluates the potential application of amorphous magnesite for remediation of Acid Mine Drainage (AMD). Magnesite was mixed with simulated AMD at specific S/L ratios and agitated in an orbital shaker and its capacity to remove ... Read more
Synthesis of nanocomposite of cryptocrystalline magnesite-bentonite clay and its application for phosphate removal from municipal effluents

Author: Masindi, Vhahangwele ; Gitari, WM ; Pindihama, KG Date: Jul 2015 In the present study, nanocomposite of cryptocrystalline magnesite-bentonite clay was used as a novel technology for removal of phosphates from municipal effluents. Vibratory ball miller was used for fabrication of the composite. Removal of ... Read more

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Browsing by Author "Gitari, WM"

Browsing by Author "Gitari, WM"

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