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Biological support media influence the bacterial biofouling community in reverse osmosis water reclamation demonstration plants

AutorFerrera, Isabel ; Mas, Jordi; Taberna, Elisenda; Sanz, Joan; Sánchez, Olga
Palabras claveReverse osmosis
Water reclamation plant
Fecha de publicaciónfeb-2015
EditorTaylor & Francis
CitaciónBiofouling 31(2): 173-180 (2015)
ResumenThe diversity of the bacterial community developed in different stages of two reverse osmosis (RO) water reclamation demonstration plants designed in a wastewater treatment plant (WWTP) in Tarragona (Spain) was characterized by applying 454-pyrosequencing of the 16S rRNA gene. The plants were fed by secondary treated effluent to a conventional pretreatment train prior to the two-pass RO system. Plants differed in the material used in the filtration process, which was sand in one demonstration plant and Scandinavian schists in the second plant. The results showed the presence of a highly diverse and complex community in the biofilms, mainly composed of members of the Betaproteobacteria and Bacteroidetes in all stages, with the presence of some typical wastewater bacteria, suggesting a feed water origin. Community similarities analyses revealed that samples clustered according to filter type, highlighting the critical influence of the biological supporting medium in biofilm community structure. © 2015 Taylor & Francis
Descripción8 pages, 5 figures, supplemental material http://dx.doi.org/10.1080/08927014.2015.1012640
Versión del editorhttp://dx.doi.org/10.1080/08927014.2015.1012640
Identificadoresdoi: 10.1080/08927014.2015.1012640
issn: 0892-7014
e-issn: 1029-2454
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