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PERFORMANCE OF FILTERS COMPOSED OF BANANA STALK IN SWINE WASTEWATER TREATMENT.
NANDORF, RODRIGO JUNIOR; VIEIRA LO MONACO, PAOLA ALFONSA; RAMALHO HADDADE, ISMAIL; SILVA PAULA, LARISSA IONARA; SALLA, PAOLA HONORATO; SOUZA VIEIRA, GUSTAVO HADDAD
Using organic filters produced in local communities with low financial cost can reduce the environmental impacts caused by the disposal of untreated wastewater into receiving water bodies. In this study, the objective was to evaluate the efficiency of the filtration of swine wastewater (SWW) using banana stalk as an alternative material in an organic filter. SWW was applied to the organic filter and the filtered volume was converted into pore volume. Analyses of total solids, turbidity, color, total phosphorus, and total nitrogen were performed in the filter feed solution and effluent to evaluate treatment efficiency. Regression analyses were used to obtain equations in the estimation of the filtration performance in removing these variables from wastewater, with pore volume as an independent variable. The banana stalk filter did not remove total solids and color from the feed solution applied. Removal of 10–50% of SWW turbidity were obtained by the banana stalk. Banana stalk was highly efficient in removing nitrogen and phosphorus from SWW, reaching mean removals of 67% and 62%, respectively. In general, a banana stalk filter can be considered a promising alternative in the primary treatment of SWW.
Revista Caatinga, 2021, Vol 34, Issue 2, p479
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