2002
DOI: 10.1144/gsl.sp.2002.198.01.20
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Assessment, prediction and management of long-term post-closure water quality: a case study — Hlobane Colliery, South Africa

Abstract: Hlobane Colliery, located in the Vryheid Coalfields of South Africa, is to close down its operations after more than a century of mining activities. This paper presents a review of the assessments that were undertaken in order to determine the long-term water quality risks after mine closure and evaluate the effects of various water management actions thereon. An integrated assessment approach was adopted that incorporated hydrological, hydrogeological, mineralogical and geochemical assessment, and modelling t… Show more

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Cited by 4 publications
(4 citation statements)
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“…También es necesario evaluar los impactos potenciales sobre la calidad de las aguas subterráneas regionales y los riesgos a largo plazode la calidad del agua en cuerpos hídricos aguas abajo de la mina después del cierre. Un ejemplo de los efectos de diversas acciones de gestión del agua al respecto y un caso de estudio son analizadas por Hattingh et al (2002).…”
Section: Buenas Prácticasunclassified
“…También es necesario evaluar los impactos potenciales sobre la calidad de las aguas subterráneas regionales y los riesgos a largo plazode la calidad del agua en cuerpos hídricos aguas abajo de la mina después del cierre. Un ejemplo de los efectos de diversas acciones de gestión del agua al respecto y un caso de estudio son analizadas por Hattingh et al (2002).…”
Section: Buenas Prácticasunclassified
“…Gandy & Evans 2002). Full-scale application of kinetic geochemical modelling to the derivation of management plans for real problem sites remains a state-of-the-art venture, which has so far been attempted in very few recorded instances: a good early example is provided by Hattingh et al (2002).…”
Section: Towards Robust Management Strategiesmentioning
confidence: 99%
“…Banwart & Malmstr6m 2001;Banwart et al 2002;Loredo et al 2002). At the other extreme, attempts have been made to numerically model the generation and multispecies transport of acid mine waters and spoil leachates through both the source bodies of mine waste rock (Gandy & Evans 2002;Hattingh et al 2002) and in the aquifers infiltrated by such leachates (Saaltink et al 2002). Such efforts have revealed the persistence of the following problems, which serve as barriers to further advances in predictive geochemical modelling: 9 Lack of information on the nature and kinetics of several key sink-source reactions for the major mine water pollutant species (e.g.…”
Section: Geochemical Uncertainties and Challengesmentioning
confidence: 99%
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