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Browsing by Subject "Environmental pollution"

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Acid mine drainage - the chemistry

Author: Garland, Rebecca M Date: 2011 Acid 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
Breakthrough studies for the sorption of methylene blue dye from wastewater samples using activated carbon derived from waste banana peels

Author: Ramutshatsha-Makhwedzha, D ; Munyengabe, A ; Mavhungu, ML ; Mbaya, R ; Baloyi, Siwela J Date: May 2023 In 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
Climate change, groundwater and intensive commercial farming in the semi-arid northern Sandveld, South Africa

Author: Archer, Emma RM ; Conrad, J ; Munch, Z ; Opperman, D ; Tadross, M ; Venter, J Date: Jun 2009 Progress 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
An ecotoxicological screening tool to prioritise acid mine drainage impacted streams for future restoration

Author: Oberholster, Paul J ; Genthe, Bettina ; Hobbs, P ; Cheng, Po-Hsun ; De Klerk, Arno R ; Botha, A-M Date: May 2013 Streams 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
EO2HEAVEN: mitigating environmental health risks

Author: Le Roux, Wouter J ; Du Preez, M ; De Klerk, L ; Hohls, D ; McFerren, G ; Vahed, Anwar ; Van der Merwe, Martina R ; Van Zyl, T Date: 2013 EO2HEAVEN has the primary objective to contribute to a better understanding of the complex relationships between environmental changes and their impact on human health. To achieve this, the project followed a multidisciplinary and user-driven ... Read more
An interest group at work: Environmental activism and the case of acid mine drainage on Johannesburg’s West Rand

Author: Funke, Nicola S ; Nienaber, S ; Gioia, C Date: Feb 2012 From 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
Nanopollutants, their effects on the environment, and potential impacts on the South African water treatment and supply infrastructure

Author: Roux, SP Date: Nov 2008 Nanotechnology 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
The production of bio-energy from a consortium of algal species - Proof of concept trials at the rural Brandwacht domestic waste water treatment plant, South Africa

Author: Oberholster, Paul J ; Steyn, Maronel Date: May 2019 With 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
Solid wastes research in South Africa

Author: Noble, RG Date: Jun 1976 The 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
Steady state CFD modelling of carbon dioxide release and methananogenesis in coal heaps

Author: Siyakatshana, Njabulo ; Ubbink, O ; Kekana, J ; Wessels, G Date: Jan 2011 The 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
Transforming South Africa’s biodiversity into diesel

Author: Maharajh, Dheepak M ; Harilal, A Date: 31 Aug 2010 The 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

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Browsing by Subject "Environmental pollution"

Browsing by Subject "Environmental pollution"

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All of ResearchSpace

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