Effective control of waterborne pathogens by aquatic plants

Dhir, Bhupinder

doi:10.1016/b978-0-12-818783-8.00017-7

Cited by 6 publications

(4 citation statements)

References 119 publications

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“…Biological methods focus on leveraging organisms such as zooplankton and bacteria to mitigate harmful algal blooms (HABs), offering an environmentally friendly solution [107][108][109][110][111]. Bacteria can impact HABs by releasing enzymes or toxins that degrade algal cells, while zooplankton directly consume HABs, effectively reducing algal biomass.…”

Section: Biological Methodsmentioning

confidence: 99%

Toward a Brighter Future: Enhanced Sustainable Methods for Preventing Algal Blooms and Improving Water Quality

Hwang,

Cho,

Kim

et al. 2024

Hydrobiology

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This comprehensive review explores the escalating challenge of nutrient enrichment in aquatic ecosystems, spotlighting the dire ecological threats posed by harmful algal blooms (HABs) and excessive particulate organic matter (POM). Investigating recent advancements in water treatment technologies and management strategies, the study emphasizes the critical need for a multifaceted approach that incorporates physical, chemical, and biological methods to effectively address these issues. By conducting detailed comparative analyses across diverse aquatic environments, it highlights the complexities of mitigating HABs and underscores the importance of environment-specific strategies. The paper advocates for sustainable, innovative solutions and international cooperation to enhance global water quality and ecosystem health. It calls for ongoing advancement, regular monitoring, and comprehensive research to adapt to emerging challenges, thus ensuring the preservation of aquatic biodiversity and the protection of communities reliant on these vital resources. The necessity of integrating technological innovation, ecological understanding, and global cooperation to safeguard aquatic ecosystems for future generations is paramount.

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Section: Biological Methodsmentioning

confidence: 99%

Toward a Brighter Future: Enhanced Sustainable Methods for Preventing Algal Blooms and Improving Water Quality

Hwang,

Cho,

Kim

et al. 2024

Hydrobiology

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“…However, it is crucial to recognize that the interaction between abiotic and biotic mechanisms is complex and synergistic. Biological activities, such as photosynthesis by microorganisms and even the possible existence of aquatic plants, have the potential to alter abiotic conditions by influencing oxygen concentrations and nutrient availability [54,55].…”

Section: Lagoons As a Quaternary Treatmentmentioning

confidence: 99%

Can Lagoons Serve as a Quaternary Treatment for Micropollutants in Wastewater Treatment Plants? Recent Implications for Compliance with the New Urban Wastewater Treatment Directive

Díaz-Gamboa,

Martínez-López,

Ayuso-García

et al. 2024

Environments

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This study explores the potential of storage lagoons as a quaternary treatment step in wastewater treatment plants (WWTPs), focusing on compliance with the recent European Urban Wastewater Treatment Directive (UWWTD), which mandates an 80% reduction in specific micropollutants. While conventional treatments effectively remove residual nutrients and solids, the potential of storage lagoons as an additional treatment is not fully defined. This research aims to address this gap by assessing the efficacy of storage lagoons in refining the effluent quality at the Cabezo Beaza WWTP, considering recent UWWTD requirements. We conduct a comprehensive assessment of the water quality parameters and micropollutants, before and after the storage lagoon stage, at the Cabezo Beaza WWTP. The results indicate that this strategy of prolonged storage in lagoons manages to meet the reduction objectives established by the Directive, reaching elimination percentages greater than 80% for the majority of the analyzed micropollutants. Our findings suggest that lagoons significantly improve water quality and reduce contaminants beyond conventional treatments, offering environmental and economic benefits. This paper discusses the mechanisms behind these improvements, such as natural sedimentation, microbial activity, and potential phytoremediation. This study contributes to the research on advanced wastewater treatment and supports the integration of storage lagoons as a viable quaternary treatment solution that meets the UWWTD standards.

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“…Regarding the elimination of pathogens, a growing body of literature indicates that plant roots play a significant role [58][59][60][61][62]. The first mechanism involves oxidation.…”

Section: Mechanism Of Hydroponic Plants To Purify Wastewatermentioning

confidence: 99%

Wastewater Hydroponics for Pollutant Removal and Food Production: Principles, Progress and Future Outlook

Mai

Mojiri

Palanisami

et al. 2023

Water

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As the global population reaches eight billion, large quantities of wastewater (domestic, industrial, livestock) need to be treated in an efficient, green, and environmentally friendly manner. Wastewater hydroponics technology (HP) can efficiently remove various pollutants (conventional and emerging pollutants, heavy metals, and microorganisms) and create economic benefits. This paper aims to systematically review the principles, applications, and limitations of wastewater hydroponics technology in the context of pollution and nutrient removal. Unlike constructed wetlands, wastewater hydroponics has been proven to be effective in removing pollutants through small-scale in situ restoration. For instance, the average removal of COD, total nitrogen (TN), total phosphorus (TP), copper (Cu), and zinc (Zn) was more than 70%, 60%, 80%, 64.2%, and 49.5%, respectively. However, HP technology still has the disadvantages of high energy consumption, complex control parameters, and low public acceptance of using wastewater for planting crops. Therefore, further research is needed to reduce system energy consumption. In addition, hybrid technologies, such as two-stage hydroponics that use aquatic plants (algae or aquatic floating weeds) to recycle pollutant-containing wastewater nutrients for hydroponics, should be further developed.

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Effective control of waterborne pathogens by aquatic plants

Cited by 6 publications

References 119 publications

Toward a Brighter Future: Enhanced Sustainable Methods for Preventing Algal Blooms and Improving Water Quality

Toward a Brighter Future: Enhanced Sustainable Methods for Preventing Algal Blooms and Improving Water Quality

Can Lagoons Serve as a Quaternary Treatment for Micropollutants in Wastewater Treatment Plants? Recent Implications for Compliance with the New Urban Wastewater Treatment Directive

Wastewater Hydroponics for Pollutant Removal and Food Production: Principles, Progress and Future Outlook

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