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The Influence of the Configuration of Two Electrochemical Reactors on the Process of Removing Atrazine from Water

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  • Juan Nápoles-Armenta

    (CONACYT Chair Program, Faculty of Agronomy, Autonomous University of Nuevo León, General Escobedo, Nuevo León C.P. 66050, Mexico
    Direction of Natural Resources, Technological Institute of Sonora, Ciudad Obregón, Sonora C.P. 85000, Mexico)

  • Juan Antonio Vidales-Contreras

    (Faculty of Agronomy, Autonomous University of Nuevo León, General Escobedo, Nuevo León C.P. 66050, Mexico)

  • Luis Alonso Leyva-Soto

    (CONACYT Chair Program, Direction of Natural Resources, Technological Institute of Sonora, Ciudad Obregón, Sonora C.P. 85000, Mexico)

  • Edna Rosalba Meza-Escalante

    (Direction of Natural Resources, Technological Institute of Sonora, Ciudad Obregón, Sonora C.P. 85000, Mexico)

  • Lourdes Mariana Díaz-Tenorio

    (Direction of Natural Resources, Technological Institute of Sonora, Ciudad Obregón, Sonora C.P. 85000, Mexico)

  • Celestino García-Gómez

    (Faculty of Agronomy, Autonomous University of Nuevo León, General Escobedo, Nuevo León C.P. 66050, Mexico)

  • Edgardo Martínez-Orozco

    (Academic Unit Arandas, Department of Environmental Engineering, Technological Institute José Mario Molina Pasquel y Henríquez, National Technological of Mexico, Arandas, Jalisco C.P. 47180, Mexico)

  • Celia De La Mora-Orozco

    (Department of Integral Watershed Management, National Institute of Forestry, Agricultural and Livestock Research, Tepatitlán, Jalisco C.P. 47600, Mexico)

  • Pablo Gortáres-Moroyoqui

    (Direction of Natural Resources, Technological Institute of Sonora, Ciudad Obregón, Sonora C.P. 85000, Mexico)

  • Lilian Alejandra Salcedo-Gastelum

    (Direction of Natural Resources, Technological Institute of Sonora, Ciudad Obregón, Sonora C.P. 85000, Mexico)

Abstract

In Mexico, atrazine is widely used in agriculture to control broadleaf weeds. The objective of this research was to compare atrazine removal in water and energy consumption between an up-flow cylinder electro-oxidation reactor (UCER) and an up-flow rectangular electro-oxidation reactor (URER) using the response surface methodology. In each reactor, two titanium (Ti) mesh electrodes (cathodes) and one Titanium-Lead Dioxide (Ti-PbO 2 ) mesh electrode (anode). Current intensity effects, electrolysis treatment time, and recirculation flow were evaluated. Synthetic water with 5 mg/L atrazine content was used. Optimum atrazine removal values were obtained at 2 A electric current, 180 min of treatment time, and 200 mL/min recirculation rate for both reactors: in these conditions an atrazine removal of 77.45% and 76.89% for URER and UCER respectively. However, energy consumption showed a significant difference of 137.45 kWh/m 3 for URER and 73.63 kWh/m 3 for UCER. Regarding energy efficiency, a 60% atrazine removal was reached in both reactors using less energy for UCER at (1.5 A–135 min–150 mL/min–25.8 kWh/m 3 ) and for URER at (0.66 A–135 min–150 mL/min–20.12 kWh/m 3 ).

Suggested Citation

  • Juan Nápoles-Armenta & Juan Antonio Vidales-Contreras & Luis Alonso Leyva-Soto & Edna Rosalba Meza-Escalante & Lourdes Mariana Díaz-Tenorio & Celestino García-Gómez & Edgardo Martínez-Orozco & Celia D, 2021. "The Influence of the Configuration of Two Electrochemical Reactors on the Process of Removing Atrazine from Water," Sustainability, MDPI, vol. 13(9), pages 1-15, May.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:9:p:5267-:d:550732
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    References listed on IDEAS

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    1. Bakalis, Diamantis P. & Stamatis, Anastassios G., 2013. "Incorporating available micro gas turbines and fuel cell: Matching considerations and performance evaluation," Applied Energy, Elsevier, vol. 103(C), pages 607-617.
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    Cited by:

    1. Jifang Yu & Huijun Yu & Chunhui Wang & Jingyun Ma & Jianbing Wang, 2023. "Preparation of Ti 4 O 7 Reactive Electrochemical Membrane for Electrochemical Oxidation of Coking Wastewater," Sustainability, MDPI, vol. 15(21), pages 1-13, October.

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