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Carbon removal mechanisms in subsurface flow wetlands

Lookup NU author(s): Dr Joana Baptista, Professor Thomas Donnelly, David Rayne, Professor Russell DavenportORCiD


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The microbial mechanisms of carbon removal in subsurface flow wetlands were studied, in one wetland with plants and one without plants. Particular emphasis was given to the influence of plants in the treatment process. Wetlands without plants performed greater carbon removal than those with plants, 63% and 51%, respectively (p<0.05). Molecular analysis of the bacterial diversity, growth rates and specific microbial activities showed that wetland with plants was different from the wetland without plants. Although SRB were found in both wetlands, methanogens were only found in the wetland without plants, where they accounted for 75% of the total carbon removed.

Publication metadata

Author(s): Baptista JDC, Donnelly T, Rayne D, Davenport RJ

Publication type: Article

Publication status: Published

Journal: Water Intelligence Online

Year: 2002

Volume: 1

Issue: 7

ISSN (electronic): 1476-1777

Notes: Papers presented at the 3rd IWA UK Young Researchers conference, Nottingham University, UK, March 2002 ID: 200207038