2015
DOI: 10.1016/j.biortech.2015.07.111
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Enhancement and monitoring of pollutant removal in a constructed wetland by microbial electrochemical technology

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Cited by 42 publications
(9 citation statements)
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“…Furthermore, ME-CSIA was successfully used to detect aerobic benzene activation by monooxygenation in model wetland systems [20,21] and a microbial fuel cell [22]. In contrast, probably complex hydrogeological conditions resulted in scattered benzene carbon and hydrogen data at another German industrial area, preventing the identification of distinct biodegradation pathways, but generally allowing detecting in situ benzene biodegradation [23].…”
Section: Benzenementioning
confidence: 98%
See 1 more Smart Citation
“…Furthermore, ME-CSIA was successfully used to detect aerobic benzene activation by monooxygenation in model wetland systems [20,21] and a microbial fuel cell [22]. In contrast, probably complex hydrogeological conditions resulted in scattered benzene carbon and hydrogen data at another German industrial area, preventing the identification of distinct biodegradation pathways, but generally allowing detecting in situ benzene biodegradation [23].…”
Section: Benzenementioning
confidence: 98%
“…Two anaerobic ethylbenzene activation reactions are known: firstly, benzylic ethylbenzene hydroxylation catalyzed by ethylbenzene dehydrogenase (EBDH) [15] reported for nitrate, iron(III) and manganese(IV) as TEAs [29,31 ]; and finally, fumarate addition to the alkyl side chain reported for sulfate as TEA [32]. In the oxygenindependent hydroxylation reaction, a hydroxyl group stemming from water is inserted [21], a reaction which is linked to strong carbon and tremendous hydrogen isotope fractionation preventing a calculation of isotope fractionation factors and L values using the conventional Rayleigh approach [33 ] as illustrated in Figure 1. L values for the EBDH-catalyzed reaction are probably significantly lower than L values for fumarate addition [31 ], possibly allowing distinguishing both reactions at ethylbenzene-contaminated field sites by ME-CSIA.…”
Section: Ethylbenzenementioning
confidence: 99%
“…Other investigations at the same area [42,96] reported similar findings, showing that higher removal of MTBE (up to 33% [96] and 93% [42]) was achieved through microbial community adaptation in the planted gravel bed after 3-4 years of operation. A laboratory-scale CW experiment with the same contaminated source indicated that MTBE removal (as well as benzene and ammonium) is improved through the combination of microbial electrochemical technology with a CW system [97].…”
Section: Fate Of Mtbe In Constructed Wetlandsmentioning
confidence: 99%
“…In addition to their function as renewable energy sources, MFCs have been increasingly applied to remove organic pollutants in wastewater due to their cost effective feature as well as high efficiency in the degradation of organic contaminants [13]. MFCs have been successfully applied for the environmental remediation of a wide spectrum of organic pollutants, including chlorinated solvents [14], BTEX compounds [15,16], phenol [10,17] and pharmaceuticals [18][19][20][21]. In most of the previous experimental studies, the reduction in target pollutants from an aqueous solution was often associated only with (bio)electrochemical degradation.…”
Section: Introductionmentioning
confidence: 99%