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Relatively low concentrations of Vitamin B12 are known to accelerate the anaerobic biotransformation of carbon tetrachloride (CT) and chloroform (CF). However, the addition of vitamin B12 for field-scale bioremediation is expected to be costly. The present study considered a strategy to generate vitamin B12 by addition of biosynthetic precursors. One of the precursors, porphobilinogen (PB) involved...
Carbon tetrachloride (CT) is an important groundwater pollutant which is only subject to biotransformation in the absence of oxygen. The anaerobic biotransformation of CT is influenced by electron shuttling compounds. The purpose of this study was to evaluate the impact of redox active vitamins on CT (100 μM) metabolism in a methanogenic sludge consortium (0.5 g VSSl-1) supplied with volatile fatty...
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