2004
DOI: 10.1590/s0103-90162004000200001
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Performance of non woven synthetic fabric and disc filters for fertirrigation water treatment

Abstract: Obstruction of emitters caused by the presence of solid particles in the water raises the cost and maintenance of trickle irrigation systems, and might compromise their utilization. This research was performed through test fields, with the objective of evaluating the performance of a disc filter (130 microns) and a non woven synthetic fabric filter on the removal of physical, chemical and biological impurities from the irrigation water, which may cause emitter obstruction during fertirrigation processes. The e… Show more

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Cited by 7 publications
(2 citation statements)
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“…Drip irrigation is one of the most efficient methods currently in use. However, emitter obstruction caused by the presence of solid particles in irrigation water is one of the factors that increases the operating and maintenance costs of irrigation systems, in some cases even precluding its use (RIBEIRO et al, 2004).…”
Section: Introductionmentioning
confidence: 99%
“…Drip irrigation is one of the most efficient methods currently in use. However, emitter obstruction caused by the presence of solid particles in irrigation water is one of the factors that increases the operating and maintenance costs of irrigation systems, in some cases even precluding its use (RIBEIRO et al, 2004).…”
Section: Introductionmentioning
confidence: 99%
“…Os resultados indicam que este elemento aumenta a remoção de partículas orgânicas e inorgânicas presentes na água, apresentando uma evolução mais rápida de perda de carga em função do volume filtrado. Em consequência, necessita de um número maior número de retrolavagens em comparação com o elemento de disco (SCATOLINI;PATERNIANI, 2001;RIBEIRO et al, 2004a).A escolha do sistema de filtragem deve ser baseada no tipo e na quantidade de contaminante, na vazão requerida e no tempo entre limpezas (KELLER;BLIESNER, 1990;OLIVEIRA, 2010). Esta complexidade tem feito com que grande parte dos sistemas de filtragem opere muito abaixo do nível ótimo, em decorrência de erros na escolha, no monitoramento e na manutenção em campo, mas se tem observado melhorias no dimensionamento destes sistemas com o passar do tempo(PHILLIPS, 1995).…”
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