2012
DOI: 10.2166/wpt.2012.047
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Constructed wetlands and sand filter applied as onsite post-treatment of anaerobic effluent

Abstract: This paper evaluates constructed wetlands and sand filter technologies applied as onsite post-treatment of anaerobic effluent, under environmental conditions of Southern Brazil. Three different onsite systems were evaluated, as follow: onsite system 1 (septic tank – ST followed by horizontal flow constructed wetlands – HFCW) with five years operation; onsite system 2 (ST followed by sand filter – SF) with three years operation and onsite system 3 (anaerobic pond – AP followed by vertical flow constructed wetla… Show more

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Cited by 24 publications
(12 citation statements)
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“…Elder and Goddard (1996) obtained a STE of 80% at the Jackson Creek wetland in Wisconsin, while the Imperial Valley wetland in California had a STE of 97% (Kadlec et al, 2010). Other constructed wetlands revealed STEs of 71-90% in southern Brazil (Sezerino et al, 2012), and 72-88% in North Carolina (Line et al, 2008). Variations in these ranges are largely because of the natural morphology and size of the wetlands and vegetation species composition and diversity, which all have an important influence on the STE of the wetland in reducing erosion and enhancing deposition (Berendse et al, 2015;Braskerud, 2001;Mekonnen et al, 2015b).…”
Section: Sediment Trapping -Natural Sediment Sinksmentioning
confidence: 99%
“…Elder and Goddard (1996) obtained a STE of 80% at the Jackson Creek wetland in Wisconsin, while the Imperial Valley wetland in California had a STE of 97% (Kadlec et al, 2010). Other constructed wetlands revealed STEs of 71-90% in southern Brazil (Sezerino et al, 2012), and 72-88% in North Carolina (Line et al, 2008). Variations in these ranges are largely because of the natural morphology and size of the wetlands and vegetation species composition and diversity, which all have an important influence on the STE of the wetland in reducing erosion and enhancing deposition (Berendse et al, 2015;Braskerud, 2001;Mekonnen et al, 2015b).…”
Section: Sediment Trapping -Natural Sediment Sinksmentioning
confidence: 99%
“…A carga orgânica e a taxa hidráulica (TH) aplicada sobre a área superficial dessas unidades são os principais parâmetros vinculados ao dimensionamento dos WCV [1][2][3] Atualmente, existem inúmeras recomendações de carregamentos orgânicos e hidráulicos para os WCV, inclusive com o intuito de promover transformações no nitrogênio amoniacal afluente [3]. Contudo, os estudos voltados para a compreensão do comportamento de micro-organismos nitrificantes e desnitrificantes nesses módulos ainda se encontram em fase de desenvolvimento.…”
Section: Introductionunclassified
“…Para o tratamento secundário, as tecnologias mais indicadas para a abordagem descentralizada são os reatores que se baseiam no processo depurativo de biomassa aderida em material suporte, tais como os filtros anaeróbios, biofiltros aerados submersos, filtros de areia, valas de filtração e a ecotecnologia conhecida como wetlands construídos (MASSOUD; TARHINI; NASR, 2009;SEZERINO et al, 2012).…”
Section: Introductionunclassified