INFLUÊNCIA DE DIFERENTES QUALIDADES DE ESGOTO DOMÉSTICO NA VAZÃO DE GOTEJADORES
2011
RAFAEL OLIVEIRA BATISTA | ANTÔNIO ALVES SOARES | DÉBORA ASTONI MOREIRA | ALEX PINHEIRO FEITOSA | JOEL MEDEIROS BEZERRA
This paper aimed to analyze the flow rate drippers of three sets supplied with different qualities of domestic sewage from condominium Bosque Acamari in Viçosa-MG. The experiment was accomplished in experimental area of the Federal University of Viçosa (UFV), Viçosa-MG. Three sets of drip irrigation were mounted and supplied with preliminary sewage (EDP), secondary sewage (EDS) and tertiary sewage (EDT). Each irrigation set consisted of filter discs and non self-compensating emitters with nominal flow of 1.7 L h-1. The flow rate of drippers was obtained in 100 hours, totaling 500 hours of operation. Were accomplished physico- chemical and microbiological analysis in domestic sewage. Conclude that the presence of total coliforms and iron in domestic sewage confer severe risk of clogging the emitters. The chemical characteristics manganese, magnesium and calcium represent low risk of clogging the emitters. The EDP and EDT sewage caused high reductions in the emitter discharge in relation to EDS, due to higher concentration of suspended solids that interacted with the bacterial slimes.
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