Semina: Ciências Agrárias (Nov 2017)

Swine wastewater treatment using an anaerobic baffled (ARB) and a UASB reactor system

  • Luciano dos Santos Rodrigues,
  • Ana Cristina Araujo Pinto,
  • Joyce da Cruz Ferraz Dutra,
  • Renata Rodrigues Sampaio,
  • Stella Rubim de Sousa,
  • Israel José da Silva

DOI
https://doi.org/10.5433/1679-0359.2017v38n6p3705
Journal volume & issue
Vol. 38, no. 6
pp. 3705 – 3714

Abstract

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The purpose of this study was to assess the swine wastewater treatment system, consisting of the anaerobic baffled reactor (ABR), followed by the upflow anaerobic sludge blanket (UASB) reactor at full scale. The system was monitored by analyzing samples collected in the influent and effluent of ABR and UASB. The following parameters were analyzed: temperature, pH, total suspended solids (TSS), volatile suspended solids (VSS), biochemical oxygen demand (BOD), and chemical oxygen demand (COD). Averages of total removal of COD and BOD were 96.7 and 98.4%, respectively. The mean concentrations of COD, BOD, TSS, and VSS at the final effluent were 611, 124, 138, and 134 mg L-1, respectively. The mean volumetric organic loadings (VOL) at the ABR and UASB were 10.29 and 0.99 kg COD m-1d-1. Therefore, the ABR-UASB system was found to be a promising alternative for the swine wastewater treatment.

Keywords