How do the plants used in phytoremediation in constructed wetlands, a sustainable remediation strategy, perform in heavy-metal-contaminated mine sites?

Allan Adams, Anantanarayanan Raman, Dennis Hodgkins

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

This review draws on knowledge for the treatment of heavy-metal leachate in contaminated mine sites. Mine waste rock dumps and tailings generate a continuous stream of metalliferous and saline leachate over the long term. The mining industry has many legacy sites, which have compromised aquatic ecosystems and groundwater because of heavy-metal contamination. Chemical and engineering methods are available and have been extensively utilised. However, these methods requireintensive energy and often produce substantial volumes of secondary waste. We therefore argue in favour of phytoremediation as a sustainable remediation strategy leading towards efficient and sustainable metal removal and immobilisation through constructed wetlands.
Original languageEnglish
Pages (from-to)1-14
Number of pages14
JournalWater and Environment Journal
VolumeTBA
Issue numberTBA
Early online dateSep 2012
DOIs
Publication statusPublished - Aug 2013

Fingerprint

phytoremediation
Wetlands
constructed wetland
Remediation
Heavy metals
leachate
remediation
heavy metal
Aquatic ecosystems
mine waste
Mineral industry
Tailings
mining industry
tailings
aquatic ecosystem
immobilization
Groundwater
Contamination
Rocks
engineering

Cite this

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abstract = "This review draws on knowledge for the treatment of heavy-metal leachate in contaminated mine sites. Mine waste rock dumps and tailings generate a continuous stream of metalliferous and saline leachate over the long term. The mining industry has many legacy sites, which have compromised aquatic ecosystems and groundwater because of heavy-metal contamination. Chemical and engineering methods are available and have been extensively utilised. However, these methods requireintensive energy and often produce substantial volumes of secondary waste. We therefore argue in favour of phytoremediation as a sustainable remediation strategy leading towards efficient and sustainable metal removal and immobilisation through constructed wetlands.",
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