Use este identificador para citar ou linkar para este item: http://repositorio.ufla.br/jspui/handle/1/32789
Título: Characterization of clogging material from horizontal subsurface flow constructed wetland systems
Palavras-chave: Constructed wetlands
Clogging
Porous medium
Total volatile solids
Zonas húmidas construídas
Entupimento
Meio poroso
Sólidos voláteis totais
Data do documento: Mai-2017
Editor: Associação Brasileira de Engenharia Agrícola
Citação: MIRANDA, S. T. et al. Characterization of clogging material from horizontal subsurface flow constructed wetland systems. Engenharia Agrícola, Jaboticabal, v. 37, n. 3, p. 463-470, maio/jun. 2017.
Resumo: This study aimed to characterize the material composition responsible for clogging the porous medium of horizontal subsurface flow constructed wetland (HSSF–CW) systems, which is detrimental to a proper system operation. Six completely clogged HSSF–CWs were used after treatment of swine wastewater. Operating conditions of these systems were named CW–C (HSSF– CW 1 and HSSF–CW 4, non-cultivated, i.e. controls), CW–T (HSSF–CW 2 and HSSF–CW 5, cultivated with Tifton 85 (Cynodon spp.)), and CW–A (HSSF–CW 3 and HSSF–CW 6, cultivated with alligator weed (Alternanthera philoxeroides)). The results showed that most of the clogging material was composed of total fixed solids (95, 84, and 82% in CW–C, CW–T, and CW–A, respectively). However, total volatile solids (TVS) mostly affected pore clogging. The larger accumulations and productions of TVS in CWs might have originated from dead plants.
URI: http://repositorio.ufla.br/jspui/handle/1/32789
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