Performance of Three Aquatic Plant Species in Bench-scale Acid Mine Drainage Wetland Test Cells

AbstractWe investigated pollutant removal from acid mine drainage (AMD) by three different aquatic plant species (Typha angustifolia, Desmostachya bipinnata, and Sacharum bengalense) in bench-scale wetland test cells of 1 m3. AMD was generated in the laboratory using chalcopyrite, galena, and sphale...

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Bibliographic Details
Published in:Mine water and the environment 2006-03, Vol.25 (1), p.23-36
Main Author: Sheoran, A. S.
Format: Article
Language:English
Subjects:
Acid mine drainage
Aquatic plants
Artificial wetlands
Cells
Chalcopyrite
Freshwater plants
Galena
Goat manure
Metals
Mine drainage
Plant species
Pollutant removal
Shavings
Sphalerite
Substrates
Typha
Water circulation
Water column
Water pollution
Wetlands
Zincblende
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Summary:AbstractWe investigated pollutant removal from acid mine drainage (AMD) by three different aquatic plant species (Typha angustifolia, Desmostachya bipinnata, and Sacharum bengalense) in bench-scale wetland test cells of 1 m3. AMD was generated in the laboratory using chalcopyrite, galena, and sphalerite ore. A substrate containing 75% soil, 20% powdered goat manure, and 5% wood shavings was used in each cell. The performance of the system was evaluated for different water column heights (100, 150, and 200 mm) and for different retention periods (24, 48, 72, 96, and 168 hrs). The performance of the plant species was different for the various metals of AMD; therefore, multi-species plantings should be considered in constructed wetlands.
ISSN:1025-9112
1616-1068
DOI:10.1007/s10230-006-0105-7