AREIA BRANCA DE CAMPINARANA COMO ELEMENTO FILTRANTE PARA FILTRO DE AREIA EM SISTEMAS DE MICROIRRIGAÇÃO
DOI:
https://doi.org/10.15809/irriga.2022v27n1p181-192Abstract
In microirrigation systems, it is essential that the water is correctly filtered to remove impurities that may compromise the functioning and management of the system. In this sense, the general objective of this research was to evaluate the quality of the white sand of Campinarana (WSC) from the region of Mâncio Lima, Acre, located in the Western Brazilian Amazon as a filtering element for sand filter. The uniformity coefficient, specific mass, equivalent diameter, porosity, sphericity, and removal efficiency of suspended solids were evaluated by a filtration and backwash system built from pipes and connections of rigid PVC. The evaluated parameters demonstrated that the WSC with average particle diameter of 0.6 mm or 1.2 mm can be used as a filtering element of sand filter in microirrigation systems. However, WSC particles with an average diameter of 0.6 mm retained up to 12% more suspended solids than particles with an average diameter of 1.2 mm.
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