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DYNA
versión impresa ISSN 0012-7353versión On-line ISSN 2346-2183
Resumen
OLIVEIRA BATISTA, RAFAEL et al. EVALUATION OF HYDRAULIC PERFORMANCE OF TREE DRIPPERS APPLING SWINE WASTEWATER. Dyna rev.fac.nac.minas [online]. 2012, vol.79, n.173, pp.103-108. ISSN 0012-7353.
This study aimed evaluation hydraulic of tree drippers used treated swine wastewater. For that, a hydraulic structure of evaluation was built, consisting of three kind drippers (G1, G2 and G3). Service pressure was kept, in the beginning of the lateral lines, at 105 kPa; the discharges of the drippers were quantified every 20 h, until a total time of 160 h of the system operation. The degree clogging of drippers was obtained for discharge variation coefficient (DVC). For the swine wastewater application there was increase of DVC, along the time of operation, only in the subunit with dripper G2. The emitters of larger discharge and short pathway length are less susceptible to the clogging. The biofilm formation was resultant of the interaction between suspended solids, sulfur and bacteria consisting on the main factor of partial and total clogging of drippers.
Palabras clave : clogging; emitters; swine manure.