Acid mine drainage (AMD) was collected from a coal mine in Mpumalanga Province, South Africa, and was transferred to the premises of the Council for Scientific and Industrial Research (CSIR), Pretoria campus, South Africa, for treatment.
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Acid Mine Drainage (AMD) is generated when sulphide bearing minerals, often in the form of pyrite (which is iron-sulphide or FeS2 found inter alia in reefs mined for gold), are exposed to oxygen and water.
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The metropolis of Johannesburg, South Africa's largest city and financial centre, owes its origin to the Au-bearing rocks of the Witwatersrand Basin (Fig. 1).The basin – roughly oval in shape, approximately 350. km in a north east to south west direction and stretching over 150 km across – hosts seven major goldfields.. Download: Download full-size image
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Acid mine drainage in Gauteng Province, South Africa Mining in South Africa and in Gauteng Province. Mining is hugely important in South Africa. In 2006, South Africa was the largest producer of gold, and the fourth largest producer of coal, in …
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Request PDF | Water Pollution and Contamination from Gold Mines: Acid Mine Drainage in Gauteng Province, South Africa | Mining of metals such as gold, silver and copper results in the exposure to ...
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Takes a social science perspective on acid mine drainage (AMD) in South Africa in the context of sustainable socio-economic development; Investigates how definitional differences among interacting entities impact policy assessments, …
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South Africa is facing the increasing challenge of acid mine drainage (AMD) whose genesis is the country?s mining history, which paid limited attention to post-mining mine site management.
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South Africa is facing the increasing challenge of acid mine drainage (AMD) whose genesis is the country?s mining history, which paid limited attention to post-mining mine site...
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This study investigated the Zaalklapspruit valley bottom wetland in South Africa, an ecologically engineered site influenced by acid mine drainage (AMD) from a defunct coal mine upstream. Conducted in 2022, the research aimed to elucidate the dynamics of contaminant dispersal within this wetland, focusing on the sources, pathways, and receptors of metals and …
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Acid mine drainage (AMD) is widely acknowledged as a substantial threat to the biodiversity of aquatic ecosystems. The present study aimed to …
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Liefferink M and Elize S van Eeden (2010) Proactive environmental activism to promote the remediation of mined land and acid mine drainage: a success story from the South African goldfields. Journal for Transdisciplinary Research in Southern Africa 5 (1) July: 51-71.
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• The gold mining industry in South Africa (principally the Witwatersrand Goldfield) is in decline, but the post-closure decant of AMD is an enormous threat, and this could become worse if remedial activities are delayed or not implemented. Reference: CSIR. Briefing Note August 2009. Acid Mine Drainage in South Africa. Dr. Pat Manders.
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Acid mine drainage (AMD) is the flow, or seepage, of polluted water from old mining areas. Depending on the area, the water may contain toxic heavy metals and radioactive particles. …
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Acid mine drainage arising from gold mining activity in Johannesburg, South Africa and environs. February 2003; Environmental Pollution 122(1):29-40;
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The Witwatersrand region of South Africa is famous for its gold production and a major conurbation, centred on Johannesburg, has developed as a result of mining activity. A study was undertaken of surface and ground water in a drainage system in this area.
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Before 1994 in apartheid South Africa, African communities were forcibly relocated to undesirable and often life-threatening locations such as the mine dumps near Soweto, Johannesburg [1].Mine dumps are iconic landmarks of Johannesburg's urban landscape [2].They have grown with the city for over 100 years and are an unpalatable by-product of gold …
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BN Aqua Solutions was created to alleviate water shortages facing the country by treating contaminated water from Municipalities, Boreholes, Perennial Streams and Acid Mine Drainage (AMD) to SANS 241 drinking stage.. The long-term business plan is to build small scale modular treatment plants (5 – 10 mega-litres per day) within the mining sites in order to treat this water …
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Acid mine drainage has always been considered to be toxic to the environment. This paper highlights its potential role from a water resource perspective in alleviating water supply issues in the Witwatersrand gold mining region of South Africa.
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This SpringerBrief focuses on Acid Mine Drainage (AMD) in the three basins in the Witwatersrand, South Africa. It provides a background to AMD and its impactsfrom a social science perspective.The South African government and non-governmental organizations' response to AMD is assessed, as well the socio-economic and developmental effects of AMD.
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This paper examines the issue of acid mine drainage in South Africa and environmental decision making processes that could be taken to mitigate the problem in the context of both conventional risk assessment and the precautionary principle. It is argued that conventional risk assessment protects the status quo and hence cannot be entirely ...
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This book addresses the significant environmental challenge of Acid Mine Drainage (AMD) in South Africa, stemming from a century of mining practices. It examines technological innovations and financing models for contaminated mine water treatment, highlighting the country's experience with AMD remediation as a critical lesson for other sub ...
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Acid mine drainage (AMD) is arguably one of the most serious environmental concerns in South Africa. AMD is a legacy left behind by abandoned, derelict and defunct mines, and is a continuing by ...
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In South Africa, acid mine drainage (AMD) has become a highly contested issue as a technical and scientiÞ c matter. Also contested are its policy implications for the mining sector, water security and socio-economic sustainability. What is more com-plicating is that a difference in its deÞ nition exists between two groups of role-
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Institutional linkages and acid mine drainage: The case of the Western basin in South Africa. Water Resources Development, 24 (3), 451–462. Article Google Scholar
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An overview of acid mine drainage in South Africa. Council . for Geoscience. 42 UN-W ater, 2013. Water security and the global water agenda. Analytical brief. 43 Hanlon, T.M., 2010. The impacts of ...
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Acid Mine Drainage (AMD) is generated when sulphide bearing minerals, often in the form of pyrite (which is iron-sulphide or FeS2 found inter alia in reefs mined for gold), are exposed to oxygen and water. ... development of what is Gauteng today and it was the backbone of the economy of South Africa for many years. During this time the more ...
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dissociated sulphuric acid. You can see from equation (1) that in order for these reactions to happen, the pyrite must be exposed to both air and Mining is one of South Africa's most important industries, but it comes with a cost. Rebecca Garland explains about acid mine drainage. Acid mine drainage – the chemistry
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The study delves into the Zaalklapspruit valley-bottom wetland in South Africa, a site designed through ecological engineering and currently impacted by acid mine drainage due to an upstream defunct coal mine. The research conducted in 2022, aimed to uncover the dynamics of contaminant dispersal within such a wetland setting, focusing on the origins, routes, and …
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In the Karoo coalfields, mining operations that release acid mine drainage (AMD) are threatening groundwater resources. An important parameter controlling the extent and severity of AMD impact is the natural attenuation of rocks in response to AMD. Very little is known about such response of Karoo rocks in saturated and unsaturated conditions, a research gap filled …
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The Witwatersrand region of South Africa is famous for its gold production and a major conurbation, centred on Johannesburg, has developed as a result of mining activity. ... Acid mine drainage arising from gold mining activity in Johannesburg, South Africa and environs Environ Pollut. 2003;122(1):29-40. doi: 10.1016/s0269-7491(02)00281-6.
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Acid mine drainage (AMD) from a South African coal mine was neutralized with fly ash (FA) from a local power station. An immediate increase in pH and subsequent decrease in the electrical ...
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Acid Mine Drainage (AMD) is produced when sulfide-bearing material is exposed to oxygen and water. The production of AMD usually – but not exclusively – occurs in iron sulfide-aggregated rocks. ... Some of the mines in South Africa on their own account have established treatment plants to treat AMD more satisfactorily (e.g. the GYP-CIX ...
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research in a South African context. Keywords: Acid Mine Drainage; Environmental Reporting; Legitimacy Theory; South African Mining Companies * University of the Witwatersrand, School of Accountancy 1. Introduction The last twenty years have seen a steady increase in the extent of and emphasis placed on non-financial
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PDF | Acid mine drainage (AMD) is a very acidic effluent containing high levels of sulphates, metals, sulphides, and salts. ... South African mines are amongst the largest in the world with a .
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