PMID: 22362147Mar 1, 2012Paper

Rapid reductive dechlorination of trichloroethene in contaminated ground water using biostimulation agent, BD-1, formulated from canola oil

Journal of Oleo Science
Akifumi HosodaHiroto Tamura

Abstract

A case study of the bioremediation of groundwater contaminated with trichloroethene (TCE) was conducted using the biostimulation agent, BD-1. TCE levels were monitored by gas chromatography-mass spectroscopy. Total organic carbon (TOC) and volatile fatty acids (VFAs) were analyzed to investigate the environmental fate of BD-1. The effects of BD-1 on microbial activity were investigated using 16S rRNA gene-based quantitative polymerase chain reaction (qPCR) analysis. The biodegradation of BD-1 was accompanied by a reduction in TCE, and the initially high TOC levels decreased rapidly as BD-1 was transformed into VFAs. qPCR analysis showed that the genus Dehalobacter became progressively dominant through the experiment. These results suggested that BD-1 might dechlorinate TCE by activating dechlorinating bacteria.

References

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Jun 24, 2006·Journal of Contaminant Hydrology·Cameron M Long, Robert C Borden

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