Chlorinated ethene plume evolution after source thermal remediation: Determination of degradation rates and mechanisms
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Although PCBs production was brought to a halt thirty years ago, recalcitrance to degradation makes them a major environmental pollutant. Previous studies confirmed that organohalide-respiring bacteria (OHRB) were capable of utilizing chlorinated congeners ...
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Hexachlorocyclohexane (HCH) contaminated soils were treated for a period of up to 64 days in situ (HCH dumpsite, Lucknow) and ex situ (University of Dehli) in line with three bioremediation approaches. The first approach, biostimulation, involved addition ...
Tropical forest conversion to agricultural land leads to a strong decrease of soil organic carbon (SOC) stocks. While the decrease of the soil C sequestration function is easy to measure, the impacts of SOC losses on soil fertility remain unclear. Especial ...
The performance of energy systems usually degrades gradually away from the best operation conditions during continuous operation. Since the components in an energy system are interconnected with each other, the performance degradation or anomalies occurrin ...
Chlorinated ethenes, frequently encountered contaminants in groundwater, are often found to be incompletely dechlorinated to dichloroethene and vinyl chloride, more toxic products that accumulate in the aquifer. Some of the concerns in designing remediatio ...
The photo-Fenton process (Fe-2+,Fe-3+/H2O2/hv) is known to degrade aqueous organic compounds at acidic pHs. Nevertheless, recent studies have shown that this process also occurs at circumneutral pHs. Dihydroxybenzene isomers (i.e., resorcinol, hydroquinone ...
The peatland carbon store is threatened by climate change and is expected to provide positive feedback on air temperature. Most studies indicate that enhanced temperature and microbial activities result in a rise of dissolved organic carbon (DOC) as a cons ...