acid mine drainage in zimbabwe

  • Zviregei Jiri | Bindura University of Science Education

    This study investigated the use of an exotic fish species Oreochromis niloticus as a bio indicator organism in active biomonitoring of Yellow Jacket and Mazowe rivers Zimbabwe receiving acid mine drainage from Iron Duke Mine

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  • THE REGULATION OF ACID MINE DRAINAGE IN SOUTH

    THE REGULATION OF ACID MINE DRAINAGE IN SOUTH AFRICA LAW AND GOVERNANCE PERSPECTIVES L Feris* LJ Kotzé** Acid drainage is one of the most serious and potentially enduring environmental problems for the mining industry Left unchecked it can result in such long term water quality impacts that it could well be this industry's most harmful legacy1

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  • Acid Mine Case Study vsep

    rock that comes from the mine is crushed into smaller and smaller pieces by heavy steel balls in machinery called mills The Life Cycle of Acid Mine Drainage Copper Ore from Arizona Concentrating Ground up rock is mixed with water air bubbles and small amounts of chemicals The chemicals allow copper minerals to rise to the top and stick to

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  • Environmental Impact Assessment of Small Scale Resource

    Environmental Impact Assessment of Small Scale Resource Exploitation the case of gold panning in Zhulube Catchment Limpopo Basin Zimbabwe Nevin M Tunhuma a* Peter Kelderman a David Love b c Stefan Uhlenbrooka d metals acid mine drainage (AMD) siltation and water use

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  • Chapter 1 Introduction 11 Introduction

    agricultural and ranching land in Zimbabwe have been lost through dumping of mine waste Poor animal health and poor crop performance are the consequences of secondary contamination from mine waste in these areas (Waller 1995) Contamination of water supply by acid mine drainage inhalation and ingestion of dust derived from mine waste

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  • IJREAS VOLUME 4 ISSUE 1 (JANUARY 2014) (ISSN 2249 3905

    ACID MINE DRAINAGE AND ITS TREATMENT Mpofu K* Mushiri S* Nyoni K** ABSTRACT This paper made an attempt to highlight what Acid Mine Drainage is as well as the possible management and control methods employed in the mining sector where AMD is a problem Acid Mine Drainage is an environmental pollutant of major concern throughout the world

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  • A Study of Environmental Assessment of Acid Mine Drainage

    Acid mine drainage (AMD) is an industrial pollution of prime concern for the whole world It is the driving force for an array of water pollutants especially heavy metals Heavy metals (Cr Mn Fe Ni Co Cu Zn Pb Cd) were investigated in this study Water and sediment samples were collected from the Ngwenya Iron Ore Mine Quarry Dam to investigate the occurrence of AMD phenomenon in the

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  • Effects Of Mining on the Environment and Human Health

    Apr 20 2015· Acid mine drainage is created when water mixes with coal and other rocks unearthed during mining taking on toxic levels of minerals and heavy metals This toxic water leaks out of abandoned mines to contaminate groundwater streams soil plants animals and humans As a result an orange colour can blanket the river estuary or sea bed killing

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  • Acid mine drainage water can be put to use NewsDay Zimbabwe

    Nov 25 2011· Newsday Zimbabwe Everyday News Acid mine drainage water can be put to use the farm is no longer a working one after surface water on it turned sour because of acid mine drainage (AMD

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  • Acid Mine Drainage (AMD) causes treatment and case

    This paper describes Acid Mine Drainage (AMD) generation and its associated technical issu As AMD is recognized as one of the more serious environmental problems in the mining industry its causes prediction and treatment have become the focus of a number of research initiatives commissioned by governments the mining industry universities and research establishments with additional

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  • Water quality in an abandoned gold mining belt Beatrice

    The mining of gold in Zimbabwe takes place in Archaean greenstone belts spread throughout the country The gold reefs are sulphide bearing and thus the extraction of gold is associated with the exposure of sulphides to surface conditions where the process of acid mine drainage takes place

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  • Outcry over Deka River pollution Zimbabwe Situation

    Dec 19 2018· Preliminary studies conducted by the Environmental Management Agency (EMA) revealed that acid mine drainage (AMD) from the mining activities in the area was affecting aquatic life Other pollutants from mining activities such as coal dust or fines were cited as contributors AMD refers to the outflow of acidic water from a mining site

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  • IJREAS VOLUME 4 ISSUE 1 (JANUARY 2014) (ISSN 2249 3905

    ACID MINE DRAINAGE AND ITS TREATMENT Mpofu K* Mushiri S* Nyoni K** ABSTRACT This paper made an attempt to highlight what Acid Mine Drainage is as well as the possible management and control methods employed in the mining sector where AMD is a problem Acid Mine Drainage is an environmental pollutant of major concern throughout the world

    [Get Price]
  • Ema gives Liberation Mine stringent mining conditions

    Sep 16 2018· Acid mine drainage (AMD) refers to the outflow of acidic water from a mining site In most cases this acid comes primarily from oxidation of iron sulfide which is often found in conjunction with valuable metals Acid mine drainage is a major problem with many hardrock mines including almost all mines where the metal ore is bound up with

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  • Hwange Communities raise concern over Deka river pollution

    Hwange Colliery Company Zimbabwe Power Company Chilota and Sandledge Mining (formerly Coalbrick Mine) who are discharging effluent into the river were summoned by the taskforce and pledged to among other things investigate the source of pollution and drill three boreholes each in the affected communiti

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  • (PDF) Acid Mine Drainage (AMD) causes treatment and case

    If the acid products are flushed from the sulfide continues to be released from abandoned underground mineral they may eventually encounter an acid consuming mineral; the resulting neutralization will remove a portion of the acidity and iron from solution Table 1 Sources of Acid Mine Drainage and will neutralize the pH

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  • Oxidative stress biomarkers in Oreochromis niloticus as

    2Department of Biological Sciences Bindura University of Science Education P Bag 1020 Bindura Zimbabwe ABSTRACT This study investigated the use of an exotic fish species Oreochromis niloticus as a bio indicator organism in active biomonitoring of Yellow Jacket and Mazowe rivers Zimbabwe receiving acid mine drainage from Iron Duke Mine The

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  • Oxidative stress biomarkers in Oreochromis niloticus as

    2Department of Biological Sciences Bindura University of Science Education P Bag 1020 Bindura Zimbabwe ABSTRACT This study investigated the use of an exotic fish species Oreochromis niloticus as a bio indicator organism in active biomonitoring of Yellow Jacket and Mazowe rivers Zimbabwe receiving acid mine drainage from Iron Duke Mine The

    [Get Price]
  • The Key Factor of Acid Mine Drainage (AMD) in the History

    Mining industry has significantly contributed to the prosperity of the nation with economic growth whereas mining operation has caused Acid Mine Drainage (AMD) with the abandonment of min As some researchers suggest the history of AMD is generally affected by the change in not only mining industry but also in social and economic conditions

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  • WC/94/078R Empirical and modelled hydrogeochemistry of

    as determinants of mine drainage chemistry with a view to the development of predictive models A field investigation of the Iron Duke mine near Mazowe Zimbabwe was undertaken in February 1994 The mine has been operative as a producer of gold and more recently iron for over 80 years

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  • Can we mitigate environmental impacts from mining

    Current and potential treatment approaches for acid rock drainage are similar to those already described Possible measures to prevent or significantly reduce acid rock drainage include Flooding of old underground mine workings to cut off the oxygen supply necessary to

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  • MENAS WUTA | University of Zimbabwe Academiaedu

    ABSTRACT Compacted clay layers are commonly used as liners to limit acid mine drainage (AMD) percolation into the surrounding environment from containment areas or ponds In the long term this practical and sometimes economical means of AMD disposal has often presented other considerable environmental challeng

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  • Acid Mine Drainage Prevention and Control Options

    ACID MINE DRAINAGE PREVENTION AND CONTROL OPTIONS 601 Prediction of performance The performance of the designed or selected option(s) compared to the adopted standards is predicted by applying appropriate engineering techniques (eg computer modelling) Key engineering considerations would include seepage genera­

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  • A Study of Environmental Assessment of Acid Mine Drainage

    Acid mine drainage (AMD) is an industrial pollution of prime concern for the whole world It is the driving force for an array of water pollutants especially heavy metals Heavy metals (Cr Mn Fe Ni Co Cu Zn Pb Cd) were investigated in this study Water and sediment samples were collected from the Ngwenya Iron Ore Mine Quarry Dam to investigate the occurrence of AMD phenomenon in the

    [Get Price]