Author:Garland, Rebecca MDate:2011Acid Mine Drainage (AMD) has recently attracted lots of attention in South Africa, both in parliament and in the media. AMD is formed in the mine itself through a variety of chemical reaction pathways, before it enters the environment as ...Read more
Author:Ramutshatsha-Makhwedzha, D; Munyengabe, A; Mavhungu, ML; Mbaya, R; Baloyi, Siwela JDate:May 2023In the current study, an activated carbon derived from waste banana peel using H2SO4 was applied for the first time in a packed-bed column for methylene blue (MB) dye removal from wastewater. The pore structure and surface of banana peel ...Read more
Author:Archer, Emma RM; Conrad, J; Munch, Z; Opperman, D; Tadross, M; Venter, JDate:Jun 2009Progress in the area of international climate negotiation has been the site of substantively increased activity of late, yet the task of utilizing appropriate spatial scale climate change projections to understand climate change impacts on ...Read more
Author:Oberholster, Paul J; Genthe, Bettina; Hobbs, P; Cheng, Po-Hsun; De Klerk, Arno R; Botha, A-MDate:May 2013Streams impacted by acid mine drainage (AMD) typically present water exhibiting low pH and high metal concentrations. These factors result in the environmental degradation of watercourses. The objective of this study was to develop and evaluate ...Read more
Author:Funke, Nicola S; Nienaber, S; Gioia, CDate:Feb 2012From an environmental perspective, South Africa faces many challenges that affect both its ecological biodiversity as well as its socio- economic and socio-political security . One of the most prominent challenges is acid mine drainage (AMD) ...Read more
Author:Roux, SPDate:Nov 2008Nanotechnology research and development is rapidly expanding into a full-scale industry that includes building materials, automotive parts, sports equipment and consumer products. This technology promises significant technological advantages, ...Read more
Author:Oberholster, Paul J; Steyn, MaronelDate:May 2019With increased environmental pollution from untreated or partially treated wastewater and resultant eutrophication, there is an increased need for remediation. It is foreseen that treatment of wastewater will form part of the production of ...Read more
Author:Noble, RGDate:Jun 1976The importance of solid wastes management in environmental pollution control cannot be over-emphasised. Increased socio-economic development in South Africa has brought with it increasing volumes of urban, industrial and agricultural wastes, ...Read more
Author:Siyakatshana, Njabulo; Ubbink, O; Kekana, J; Wessels, GDate:Jan 2011The Kyoto Protocol and its related instruments have increased awareness of the phenomenon of global warming. The two main so-called greenhouse gases deemed to cause this effect have been identified as CO2 and CH4. Other greenhouse gases include ...Read more
Author:Maharajh, Dheepak M; Harilal, ADate:31 Aug 2010The continuous use of fossil fuels is environmentally harmful and unsustainable. Concerns about energy supply, environmental pollution and global warming have triggered the worldwide search for sources of environmentally friendly renewable ...Read more