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Rodríguez, E. V., Llamas, M. M., Del Hombre Bueno, M. B.-R., Trapote, A., & Rico, D. P. (2018). Eliminación/Degradación de Triazinas Mediante Biorreactor de Membrana con Post-Tratamiento de Ozonización. KnE Engineering, 3(2), 597-608. https://doi.org/10.18502/keg.v3i1.1463

https://doi.org/10.18502/keg.v3i1.1463

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authors

  • E.D. Vásquez Rodríguez

    E.D. Vásquez Rodríguez

    Universidad de Alicante, Alicante, España, evr13@alu.ua.es Universidad Tecnológica de Panamá, Ciudad de Panamá
  • M.J. Moya Llamas

    M.J. Moya Llamas

    Universidad de Alicante, Alicante
  • M.A. Bernal-Romero Del Hombre Bueno

    M.A. Bernal-Romero Del Hombre Bueno

    Universidad de Alicante, Alicante
  • Arturo Trapote

    Arturo Trapote

    Universidad de Alicante, Alicante
  • Daniel Prats Rico

    Daniel Prats Rico

    Universidad de Alicante, Alicante

Published Date

  • Feb 11, 2018

Eliminación/Degradación de Triazinas Mediante Biorreactor de Membrana con Post-Tratamiento de Ozonización

KnE Engineering / 6th Engineering, Science and Technology Conference - Panama 2017 (ESTEC 2017) / Pages 597-608

Abstract

The aim of the research was to evaluate the removal of micropollutants in a combined system MBR + ozonation. The research was carried out in a MBR scale laboratory plant which was fed with synthetic wastewater, doped with simazine (SIM), atrazine (ATZ) and terbutilazine (TBZ). The MBR operational conditions were: hydraulic retention time (HRT) of 20 h, organic loading rate (OLR) of 0.23 KgCOD/KgSSV·day, sludge retention time (SRT) of 30 d, and flux of 5.5 LMH. Two ozone doses were tested: low dose (16 mg O3/L) and high dose (45 mg O3/L). The removal eficiency of organic matter was 96%. For the studied triazines, low biodegradation effiencies were reached by biological treatment (MBR): 57%, 53% and 63% for SIM, ATZ and TBZ, respectively. The complementary treatment of ozonation improved the quality  of the effluents. At low ozonation dose the overall removal efficiencies increased to 95%, 92% and 96% for SIM, ATZ and TBZ, respectively. At high ozonization dose the overall removal efficiencies were 98%, 97% and 97 % for SIM, ATZ and TBZ, respectively, percentages slightly higher than those obtained at low dose. The results showed the combination of MBR + O3 is effective to remove micropollutants from wastewater, contributing to the preservation of a good ecological state of water bodies.

Keywords: Bioreactor, Membrane, Ozone, Triazines, Herbicides.

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