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Geochemical classification of global mine water drainage

Thisani, SK, Kallon, DVV and Byrne, PA (2020) Geochemical classification of global mine water drainage. Sustainability, 12 (24). ISSN 2071-1050

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Abstract

This paper evaluates the geochemical distribution and classification of global Acid Mine Drainage (AMD) sources. The geochemical compositions of AMD from 72 mine water sites in 18 countries across 6 continents were referenced from literature. The secondary data were analysed for statistical distribution and mine water classification against the Hill (1968) framework. The research found that the global mine water displayed geochemical concentrations within 2%, 11%, 5%, 9% and 8% of the aluminium, sulphate, acidity, total iron and zinc distribution ranges, respectively, at the 75th percentile. The study also found that 46%, 11.1% and 2.7% of mine water sites met the criteria for Class I, Class II and Class III of the Hill (1968) framework, respectively, while the remaining 40% of sites were omitted by the framework’s geochemical specifications. The results were used to optimise the Hill (1968) framework. The revised framework was proposed for effective AMD geochemical classification, regulation and remediation.

Item Type: Article
Uncontrolled Keywords: 12 Built Environment and Design
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
T Technology > TP Chemical technology
Divisions: Biological & Environmental Sciences (new Sep 19)
Publisher: MDPI AG
Related URLs:
Date Deposited: 26 Jan 2021 10:07
Last Modified: 26 Jan 2021 10:15
DOI or Identification number: 10.3390/su122410244
URI: https://researchonline.ljmu.ac.uk/id/eprint/14323

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