Now showing items 1-9 of 9
Mechanisms for biosorption of chromium(III), copper(II) and mercury(II) using water extracts of Moringa oliefera seed powder
(Academic Journals, http://www.academicjournals.org/AJB, 2008)
In continuation of our work on heavy metal remediation using Moringa seed powder, this study examines the mechanisms of metal sorption on water extracts of Moringa oleifera (MO) seed powder using extended X-ray absorption ...
Pollution implications of Save River water from weathering and dissolution of metal hosting minerals at Dorowa phosphate mine, Zimbabwe
(Elsevier. http://www.elsevier.com, 2010-08-20)
The study set out to determine the weathering and dissolution of metal hosting minerals at Dorowa for purposes of deducing pollution potential to the nearby Save River. Phosphate rock is mined at Dorowa for the production ...
Groundwater fluoride levels in villages of Southern Malawi and removal studies using bauxite
(Academic Journals, http://www.academicjournals.org/ijps, 2008)
Cadmium sorption by Moringa stemopetala and Moringa oleifera seed powders: Batch, time, temperature, pH and adsorption isotherm studies
(Academic Journals: http://www.academicjournals.org/, 2010-05)
There is a widespread recognition that the presence of heavy metals such as cadmium in water is hazardous to the environment and human health and their discharge into surface waters is of great concern worldwide. The use ...
Impact on water quality of land uses along Thamalakane-Boteti River: an outlet of the Okavango Delta
Botswana is a semiarid country and yet has one of the world’s famous wetlands: the Okavango Delta. The Thamalakane- Boteti River is one of the Delta’s outlets. The water quality of the Thamalakane-Boteti River was ...
Spatial and seasonal variation of major cation and selected trace metal ion concentration in the Okavango-Maunachira-Khwai channels of the Okavango delta
(Botswana Society, 2005)
The concentration of the metal ions Na, K, Ca, Mg, Zn, Cu, Mn, Co, Fe, Cr, Ni, and Pb were determined in water samples of the Okavango Delta’s panhandle - Maunachira-Khwai water system during periods of high (June 2004) ...
Household willingness to pay for reliability of water supply and quality in chobe suburb of Maun: An application of the contingent valuation method
(Botswana Society, 2005)
Water supply in Maun is unreliable and unpredictable, and most households experience water shortage all year round. Coping strategies for households include water storage in tanks. Water quality is also poor due to its ...
Variation of physico-chemical parameters along a river transect through the Okavango Delta, Botswana
(Tailor and Francis Online; https://www.tandfonline.com, 2016-06-07)
The Okavango Delta depends on water quantity and quality to sustain its ecosystem services. Whereas many studies have been carried out on its hydrology, few have been done on water quality in the delta. Water pH, electrical ...
Soil microbial biomass carbon, nitrogen and sulphur as affected by different land uses in Seronga, Okavango Delta, Botswana
(Sciencedomain international; www.sciencedomain.org, 2014-02-06)
Aim: The Okavango Delta at Seronga is fragmented into different land uses ranging from grasslands to woodland (Ximenia and mopane), often punctuated with cropped and fallow fields. The influence of land uses on surface (A1 ...