Environmental Assessment of a Constructed Wetland with Ornamental Vegetation for Wastewater Treatment: A Sustainable Option for Neighborhoods (The Case of Veracruz, Mexico)
The discharge of wastewater into bodies of water and subsoil poses a serious pollution problem. In many neighborhoods or districts, there are often no wastewater treatment systems due to the high costs involved, which may compromise human health. Constructed wetlands (CWs) offer an ecological soluti...
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2025-04-01
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| author | Sergio Aurelio Zamora-Castro Humberto Raymundo González-Moreno María Graciela Hernández-Orduña Irma Zitácuaro-Contreras José Luis Marín-Muñiz |
| author_facet | Sergio Aurelio Zamora-Castro Humberto Raymundo González-Moreno María Graciela Hernández-Orduña Irma Zitácuaro-Contreras José Luis Marín-Muñiz |
| author_sort | Sergio Aurelio Zamora-Castro |
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| description | The discharge of wastewater into bodies of water and subsoil poses a serious pollution problem. In many neighborhoods or districts, there are often no wastewater treatment systems due to the high costs involved, which may compromise human health. Constructed wetlands (CWs) offer an ecological solution to improve water quality and enable its reuse. They promote the removal of contaminants through physical, chemical, and biological processes. The objective of this study was to evaluate <i>Canna hybrids</i>, <i>Zingiber spectabile</i>, and <i>Alpinia purpurata</i>—ornamental plants not typical of wetlands—regarding their function as phytoremediators and their growth under such conditions. Utilizing CWs with ornamental plants for water treatment in neighborhoods could improve the adoption of this ecotechnology. To this end, eight cells were built: two were controls (without plants), two contained <i>Canna hybrids</i>, two had <i>Zingiber spectabile</i>, and two included <i>Alpinia purpurata</i>, all designed for a hydraulic retention time of three days. Inlet and outlet water samples were collected biweekly for six months. The results showed that the cells with <i>Canna hybrids</i> and <i>Zingiber spectabile</i> removed from 40 to 70% of total nitrogen and phosphorus. In terms of organic matter, measured as COD and TSS, the removals ranged from 55 to 90%. In contrast, cells with <i>Alpinia purpurata</i> demonstrated removal rates of only 30 to 50%, which were statistically lower (<i>p</i> ≤ 0.05), indicating a slower adaptation to wetland conditions. This slower adaptability is directly related to the growth of the species, as <i>Alpinia purpurata</i> also exhibited the lowest growth rates. The study concluded that using CWs with the studied ornamental plants is a viable alternative for treating wastewater and, at the same time, they may add a commercial value to the vegetation. Additionally, they can enhance the aesthetic landscape with colorful flowers that attract birds and insects and the treated water could be utilized to irrigate sports areas or urban planters. |
| format | Article |
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| institution | Kabale University |
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| publishDate | 2025-04-01 |
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| spelling | doaj-art-c56937e92e1b4823bb76f2608cb58c8b2025-08-20T03:26:56ZengMDPI AGWorld2673-40602025-04-01625010.3390/world6020050Environmental Assessment of a Constructed Wetland with Ornamental Vegetation for Wastewater Treatment: A Sustainable Option for Neighborhoods (The Case of Veracruz, Mexico)Sergio Aurelio Zamora-Castro0Humberto Raymundo González-Moreno1María Graciela Hernández-Orduña2Irma Zitácuaro-Contreras3José Luis Marín-Muñiz4Faculty of Engineering, Construction and Habitat, Universidad Veracruzana, Bv. Adolfo Ruiz Cortines 455, Costa Verde, Boca del Río 94294, Veracruz, MexicoDepartment of Civil Engineering, National Technology of Mexico/ITS of Misantla, Km. 1.8 Carretera a la Loma del Cojolite, Misantla 93821, Veracruz, MexicoAcademy of Sustainable Regional Development, El Colegio de Veracruz, Carrillo Puerto 26, Xalapa 91000, Veracruz, MexicoAcademy of Sustainable Regional Development, El Colegio de Veracruz, Carrillo Puerto 26, Xalapa 91000, Veracruz, MexicoDepartment of Environmental Engineering, National Technology of Mexico/ITS of Misantla, Km. 1.8 Carretera a la Loma del Cojolite, Misantla 93821, Veracruz, MexicoThe discharge of wastewater into bodies of water and subsoil poses a serious pollution problem. In many neighborhoods or districts, there are often no wastewater treatment systems due to the high costs involved, which may compromise human health. Constructed wetlands (CWs) offer an ecological solution to improve water quality and enable its reuse. They promote the removal of contaminants through physical, chemical, and biological processes. The objective of this study was to evaluate <i>Canna hybrids</i>, <i>Zingiber spectabile</i>, and <i>Alpinia purpurata</i>—ornamental plants not typical of wetlands—regarding their function as phytoremediators and their growth under such conditions. Utilizing CWs with ornamental plants for water treatment in neighborhoods could improve the adoption of this ecotechnology. To this end, eight cells were built: two were controls (without plants), two contained <i>Canna hybrids</i>, two had <i>Zingiber spectabile</i>, and two included <i>Alpinia purpurata</i>, all designed for a hydraulic retention time of three days. Inlet and outlet water samples were collected biweekly for six months. The results showed that the cells with <i>Canna hybrids</i> and <i>Zingiber spectabile</i> removed from 40 to 70% of total nitrogen and phosphorus. In terms of organic matter, measured as COD and TSS, the removals ranged from 55 to 90%. In contrast, cells with <i>Alpinia purpurata</i> demonstrated removal rates of only 30 to 50%, which were statistically lower (<i>p</i> ≤ 0.05), indicating a slower adaptation to wetland conditions. This slower adaptability is directly related to the growth of the species, as <i>Alpinia purpurata</i> also exhibited the lowest growth rates. The study concluded that using CWs with the studied ornamental plants is a viable alternative for treating wastewater and, at the same time, they may add a commercial value to the vegetation. Additionally, they can enhance the aesthetic landscape with colorful flowers that attract birds and insects and the treated water could be utilized to irrigate sports areas or urban planters.https://www.mdpi.com/2673-4060/6/2/50phytoremediationecotechnologieswastewaterornamental plants |
| spellingShingle | Sergio Aurelio Zamora-Castro Humberto Raymundo González-Moreno María Graciela Hernández-Orduña Irma Zitácuaro-Contreras José Luis Marín-Muñiz Environmental Assessment of a Constructed Wetland with Ornamental Vegetation for Wastewater Treatment: A Sustainable Option for Neighborhoods (The Case of Veracruz, Mexico) World phytoremediation ecotechnologies wastewater ornamental plants |
| title | Environmental Assessment of a Constructed Wetland with Ornamental Vegetation for Wastewater Treatment: A Sustainable Option for Neighborhoods (The Case of Veracruz, Mexico) |
| title_full | Environmental Assessment of a Constructed Wetland with Ornamental Vegetation for Wastewater Treatment: A Sustainable Option for Neighborhoods (The Case of Veracruz, Mexico) |
| title_fullStr | Environmental Assessment of a Constructed Wetland with Ornamental Vegetation for Wastewater Treatment: A Sustainable Option for Neighborhoods (The Case of Veracruz, Mexico) |
| title_full_unstemmed | Environmental Assessment of a Constructed Wetland with Ornamental Vegetation for Wastewater Treatment: A Sustainable Option for Neighborhoods (The Case of Veracruz, Mexico) |
| title_short | Environmental Assessment of a Constructed Wetland with Ornamental Vegetation for Wastewater Treatment: A Sustainable Option for Neighborhoods (The Case of Veracruz, Mexico) |
| title_sort | environmental assessment of a constructed wetland with ornamental vegetation for wastewater treatment a sustainable option for neighborhoods the case of veracruz mexico |
| topic | phytoremediation ecotechnologies wastewater ornamental plants |
| url | https://www.mdpi.com/2673-4060/6/2/50 |
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