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http://dx.doi.org/10.5394/KINPR.2009.33.2.161

Influence of Effective Microorganisms on Polluted Marine Sediment and Its Microbial Community  

Koh, Sung-Cheol (Division of Civil and Environmental Engineering, Korea Maritime University)
Kim, Byung-Hyuk (Environmental Biotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology)
Bae, Hwan-Jin (Department of Marine Environmental Engineering, Gyeongsang National University)
Kwon, Sung-Hyun (Department of Marine Environmental Engineering, Gyeongsang National University)
Choi, Jung-Hye (Division of Civil and Environmental Engineering, Korea Maritime University)
Kim, Jae-Woo (Division of Civil and Environmental Engineering, Korea Maritime University)
Publication Information
Journal of Navigation and Port Research / v.33, no.2, 2009 , pp. 161-166 More about this Journal
Abstract
Lactobacillus sp., Acetobacter sp. and yeast were the most dominant organisms in the EM stock culture and subculture product. Lactic acid bacteria and yeast were able to grow in the fermentation process utilizing seawater. EM treatment of higher concentrations using EM stock culture and EM clay balls (1% or 4%) contributed to an early removal of malodor and an increase of DO in the polluted sediments, indicating an odor-removing activity of EM. The EM treatment of higher concentrations (1% or 4%) somewhat appeared to modify the microbial communities within the sediments, which was confirmed by existence of a few unique fragments from the stock culture based on PCR-DGGE. It still remains to be elucidated that EM cultures were directly involved in the malodor removal and potential sediment bioremediation.
Keywords
effective microorganisms (EM); marine sediment bioremediation; PCR-DGGE; Lactobacillus sp.;
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Times Cited By KSCI : 2  (Citation Analysis)
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