Enhancement of sulfate reduction activity using granular sludge in anaerobic treatment of acid mine drainage

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Title
Enhancement of sulfate reduction activity using granular sludge in anaerobic treatment of acid mine drainage
Author(s)
H J La; K H Kim; Z X Quan; Young Gyun Cho; S T Lee
Bibliographic Citation
Biotechnology Letters, vol. 25, no. 6, pp. 503-508
Publication Year
2003
Abstract
Three laboratory-scale, upflow anaerobic reactors were operated for about 250 d to determine the effect of activated granular sludge with high density of sulfate reducing bacteria in the treatment of artificial acid mine drainage. Sulfate reducing bacteria in the granular sludge taken from the upflow anaerobic sludge blanket reactor were 1-2 × 106 c.f.u. g-1, which is at least 10 times higher than that of organic substrates such as cow manure and oak compost. The reactors with granular sludge effectively removed over 99% of heavy metals, such as Fe, Al, Cu, and Cd during the experiment. This result suggests a feasibility of the application of granular sludge as a source of sulfate reducing bacteria for the treatment of acid mine drainage.
Keyword
Acid mine drainageAnaerobic treatmentGranular sludgeSulfate reducing bacteria
ISSN
0141-5492
Publisher
Springer
DOI
http://dx.doi.org/10.1023/A:1022666310393
Type
Article
Appears in Collections:
1. Journal Articles > Journal Articles
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