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has been cited by the following article:

• TITLE: Phosphorus and Nitrogen Removal by Saturated Vertical-Flow Constructed Wetlands (SVCWs) Type Micro-Pilot Using Shale from Ivory Coast as a Substrate

  AUTHORS: Dan Eude Kpannieu, Norbert Kouakou Kouadio, N’Dri Séraphin Konan, Coulibaly Nagnonta Hippolyte, Martine Mallet, Lacina Coulibaly, Christian Ruby

  KEYWORDS: Constructed Wetlands, Vertical Flow, Shale, Panicum maximun, Phosphorus Removal, Nitrogen

  JOURNAL NAME: Journal of Geoscience and Environment Protection, Vol.10 No.8, August 18, 2022

  ABSTRACT: This study evaluates the performance of shale from Ivory Coast used as substrate in vertical-flow constructed wetlands in removal of phosphates and nitrogen. The pilot-scale artificial wetland has been duplicated: filter planted with Panicum maximun and unplanted. They were set up outdoors, and fed with a municipal wastewater. The wetlands have been fed with three batches per week (intermittent) over a period of 3 months. During the operation period, the hydraulic residence time (HRT) 52 h was used, while wastewater temperatures varied from about ~33°C. The removal performance of the constructed wetland units was very good, since it reached on an average 98%, 89.4%, 89.4%, 84%, 80%, 84.8% and 92% for TSS, DOC, BOD5, , TKN, TP and respectively. In addition, the vegetation did not demonstrate superior performance to unplanted controls. Therefore, this study focuses on the role of shale in the phosphorus and nitrogen removal from wastewater by constructed wetland.