Methane oxidation in vertical flow constructed wetlands and its effect on denitrification and COD removal

Thomas Schalk,Johannes Effenberger, Alexander Jehmlich, Jens Nowak, Heribert Rustige,Peter Krebs,Volker Kühn

Ecological Engineering（2019）

Cited 7|Views14

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Abstract

•Methane formation potential of primary treatment units is 5.1–7.3 L CH4/(p∙d).•Methane is removed completely for surface loads of up to 19 g CH4/(m2∙d).•Oxidation via nitrate is of minor importance for methane removal.•Methane oxidation causes production of EPS.

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Key words

VF wetlands,Septic tanks,Methane emission,Methane coupled denitrification,Per-capita methane formation,Intermediate

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