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Removal of Pathogenic Bacteria in a Horizontally Fed Subsurface Constructed Wetland Hybrid System

Author

Listed:
  • María Jesica Montero-Martínez

    (Tecnológico Nacional de México/Instituto Tecnológico de Boca del Río, Boca del Río 94290, Mexico)

  • María del Refugio Castañeda-Chávez

    (Tecnológico Nacional de México/Instituto Tecnológico de Boca del Río, Boca del Río 94290, Mexico)

  • Fabiola Lango-Reynoso

    (Tecnológico Nacional de México/Instituto Tecnológico de Boca del Río, Boca del Río 94290, Mexico)

  • Gabycarmen Navarrete-Rodríguez

    (Tecnológico Nacional de México/Instituto Tecnológico de Boca del Río, Boca del Río 94290, Mexico)

  • Leonardo Martínez-Cárdenas

    (Secretaria de Investigación y Posgrado, Universidad Autónoma de Nayarit, Tepic 63190, Mexico)

Abstract

The management of effluents and their treatment is a fundamental issue in water management, the removal of different types of contaminants is another relevant issue for public health and the environment. Bacteria are one of the main types of contaminants in untreated water discharged to receiving bodies. The objective of this research was to evaluate the removal efficiency of pathogenic bacteria in a horizontal feeding subsurface artificial wetland that treats wastewater originated from the Boca de Río Technological Institute, Veracruz, Mexico. A hybrid system composed of seven cells with three types of substrates and ornamental type vegetation was designed; the indicators evaluated were the concentration of total and fecal coliforms and the efficiency of bacterial removal in the stages of the system. The artificial wetland system demonstrated a significant reduction ( p < 0.05) between the different cells of the system. The values of pathogenic bacteria removal obtained in the wetland were higher than 99% in the cells of the system and times. In conclusion, it was identified that the interaction of the components of this system and its operation under the climatic seasons of the site influenced the removal efficiency of pathogenic bacteria, allowing optimal removal efficiency.

Suggested Citation

  • María Jesica Montero-Martínez & María del Refugio Castañeda-Chávez & Fabiola Lango-Reynoso & Gabycarmen Navarrete-Rodríguez & Leonardo Martínez-Cárdenas, 2023. "Removal of Pathogenic Bacteria in a Horizontally Fed Subsurface Constructed Wetland Hybrid System," J, MDPI, vol. 6(3), pages 1-16, August.
    • Handle: RePEc:gam:jjopen:v:6:y:2023:i:3:p:32-507:d:1227515
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    References listed on IDEAS

    as
    1. Marwa M. Waly & Taha Ahmed & Ziyad Abunada & Slobodan B. Mickovski & Craig Thomson, 2022. "Constructed Wetland for Sustainable and Low-Cost Wastewater Treatment: Review Article," Land, MDPI, vol. 11(9), pages 1-17, August.
    2. José Alberto Herrera-Melián & Mónica Mendoza-Aguiar & Rayco Guedes-Alonso & Pilar García-Jiménez & Marina Carrasco-Acosta & Ezio Ranieri, 2020. "Multistage Horizontal Subsurface Flow vs. Hybrid Constructed Wetlands for the Treatment of Raw Urban Wastewater," Sustainability, MDPI, vol. 12(12), pages 1-15, June.
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