Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/55081
Title: The effects of plants on pollutant removal, clogging, and bacterial community structure in palm mulch-based vertical flow constructed wetlands
Authors: Carrasco-Acosta, Marina 
Garcia-Jimenez, Pilar 
Herrera-Melián, José Alberto 
Peñate-Castellano, Néstor
Rivero-Rosales, Argimiro 
UNESCO Clasification: 330811 Control de la contaminación del agua
Keywords: Microbial Communities
Water
Performance
Substrate
Regimes, et al
Issue Date: 2019
Journal: Sustainability (Switzerland) 
Abstract: In this study, the effects of plants on the performance and bacterial community structure of palm mulch-based vertical flow constructed wetlands was studied. The wetlands were built in August 2013; one of them was planted with Canna indica and Xanthosoma sp., and the other one was not planted and used as a control. The experimental period started in September 2014 and finished in June 2015. The influent was domestic wastewater, and the average hydraulic surface loading was 208 L/m(2)d, and those of COD, BOD, and TSS were 77, 57, and 19 g/m(2)d, respectively. Although the bed without plants initially performed better, the first symptoms of clogging appeared in December 2014, and then, its performance started to fail. Afterwards, the wetland with plants provided better removals. The terminal restriction fragment length polymorphism (T-RFLP) analysis of Enterococci and Escherichia coli in the effluents suggests that a reduction in their biodiversity was caused by the presence of the plants. Thus, it can be concluded that the plants helped achieve better removals, delay clogging, and reduce Enterococci and E. coli biodiversity in the effluents.
URI: http://hdl.handle.net/10553/55081
ISSN: 2071-1050
DOI: 10.3390/su11030632
Source: Sustainability [ISSN 2071-1050], v. 11 (3), (Febrero 2019)
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