Performance assessment and microbial diversity of two pilot scale multi-stage sub-surface flow constructed wetland systems

Babatunde, Akintunde, Miranda-CasoLuengo, R., Imtiaz, M., Zhao, Y. and Meijer, W. 2016. Performance assessment and microbial diversity of two pilot scale multi-stage sub-surface flow constructed wetland systems. Journal of Environmental Sciences 46 , pp. 38-46. 10.1016/j.jes.2015.02.018

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Abstract

This study assessed the performance and diversity of microbial communities in multi-stage sub-surface flow constructed wetland systems (CWs). Our aim was to assess the impact of configuration on treatment performance and microbial diversity in the systems. Results indicate that at loading rates up to 100 g BOD5/(m2·day), similar treatment performances can be achieved using either a 3 or 4 stage configuration. In the case of phosphorus (P), the impact of configuration was less obvious and a minimum of 80% P removal can be expected for loadings up to 10 g P/(m2·day) based on the performance results obtained within the first 16 months of operation. Microbial analysis showed an increased bacterial diversity in stage four compared to the first stage. These results indicate that the design and configuration of multi-stage constructed wetland systems may have an impact on the treatment performance and the composition of the microbial community in the systems, and such knowledge can be used to improve their design and performance.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
Subjects:	T Technology > TD Environmental technology. Sanitary engineering
Uncontrolled Keywords:	Constructed wetlands; Microbial diversity; Wastewater treatment
Publisher:	Elsevier
ISSN:	10010742
Date of Acceptance:	16 February 2016
Last Modified:	23 May 2019 14:16
URI:	https://orca.cardiff.ac.uk/id/eprint/104057

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