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  • 2017: 6th Engineering, Science and Technology Conference - Panama (ESTEC 2017)
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Eliminación/Degradación de Triazinas Mediante Biorreactor de Membrana con Post-Tratamiento de Ozonización

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Author
Rodríguez, E.D. Vásquez
Llamas, M.J. Moya
Del Hombre Bueno, M.A. Bernal-Romero
Trapote, Arturo
Rico, Daniel Prats
Rodríguez, E.D. Vásquez
Llamas, M.J. Moya
Del Hombre Bueno, M.A. Bernal-Romero
Trapote, Arturo
Rico, Daniel Prats
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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.
URL
https://knepublishing.com/index.php/KnE-Engineering/article/view/1463
10.18502/keg.v3i1.1463
URI
http://ridda2.utp.ac.pa/handle/123456789/4364
Collections
  • 2017: 6th Engineering, Science and Technology Conference - Panama (ESTEC 2017) [115]
License
info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by/4.0/

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