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61,005 resultsShowing papers similar to Constructed wetlands for emerging pollutants removal: A decade of advances and future directions (2014–2024)
ClearRole of Constructed Wetlands in Wastewater Treatment and Mitigation of Emerging Contaminants
This review examines how constructed wetlands can serve as sustainable, cost-effective systems for treating wastewater and removing emerging contaminants including nanoplastics, pharmaceuticals, and endocrine-disrupting chemicals. The authors describe how physical, chemical, and biological mechanisms work together in these engineered ecosystems to break down persistent pollutants. The study suggests that constructed wetlands offer a promising nature-based solution for addressing contaminants that conventional treatment methods struggle to remove.
Wetland Removal Mechanisms for Emerging Contaminants
This review examines how natural and constructed wetlands remove emerging contaminants, including pharmaceuticals, personal care products, and microplastics, from water. Researchers found that wetlands use a combination of physical, chemical, and biological processes to transform and trap these pollutants. The study highlights wetlands as a promising, low-cost approach for treating emerging contaminants that conventional wastewater systems may miss.
From Laboratory Tests to the Ecoremedial System: The Importance of Microorganisms in the Recovery of PPCPs-Disturbed Ecosystems
This review examines how microorganisms can be used in constructed wetlands to remove pharmaceutical pollutants from wastewater. Since conventional treatment plants often fail to remove these emerging contaminants, biological remediation offers a promising and sustainable alternative.
Nature-Based Solutions for Removal of Microplastics from Wastewater: Technologies, Challenges, and Prospects
This review evaluates nature-based solutions for removing microplastics from wastewater, including constructed wetlands, green infrastructure, and aquatic plants. The study found that these approaches can achieve removal efficiencies up to 99-100%, offering ecologically friendly alternatives to conventional treatment methods, though challenges remain with long-term efficiency and removal of other contaminants.
Constructed wetlands as neglected fixed source of microplastics and antibiotic resistance genes in natural water bodies?
This review examines constructed wetlands as potential sources of microplastics and antibiotic resistance genes (ARGs) released into natural water bodies, assessing their effectiveness at removing both types of pollutants. While constructed wetlands can reduce microplastics and ARGs through adsorption, filtration, and biodegradation, they may also act as reservoirs that release these contaminants under certain conditions.
Nature-based Solutions to Wastewater Treatment of Microplastics: Technologies, Challenges, and Prospects
This review examined nature-based solutions (NbS) for microplastic removal from wastewater, including constructed wetlands, algal bioreactors, and mangrove systems. NbS approaches show promise as cost-effective, ecologically integrated complements to conventional treatment, though removal efficiencies vary widely and long-term fate of trapped microplastics remains understudied.
Research Progress on the Removal of Contaminants from Wastewater by Constructed Wetland Substrate: A Review
This review examines how different substrate materials used in constructed wetlands affect the removal of pollutants including microplastics, heavy metals, and pharmaceutical compounds from wastewater. Researchers found that substrate selection is critical to wetland performance but is often based on personal experience rather than scientific evidence. The study provides guidance on choosing substrates with optimal physical and chemical properties to improve wastewater treatment efficiency.
Microplastic Identification in Domestic Wastewater-Treating Constructed Wetlands and Its Potential Usage in a Circular Economy
Researchers identified and characterized microplastics in constructed wetlands used for treating domestic wastewater, finding MP accumulation in the substrate and plants and assessing how well these nature-based treatment systems retain plastic particles before effluent is discharged.
A review on the remediation of microplastics using constructed wetlands: Bibliometric, co-occurrence, current trends, and future directions
This review examined the use of constructed wetlands as a nature-based solution for removing microplastics from water, analyzing research trends and knowledge gaps through bibliometric analysis. Researchers found that constructed wetlands show promise for microplastic remediation, but significant barriers remain in understanding the removal mechanisms involved. The study identifies key research directions needed to optimize wetland design for effective microplastic pollution control.
The fate of microplastics/nanoplastics (MPs/NPs) in constructed wetlands: Addressing methodological gaps and experimental challenges from lab-scale to full-scale
This review examines the effectiveness of constructed wetlands for removing micro- and nanoplastics from water, comparing laboratory and full-scale results. Researchers found that while constructed wetlands show promising removal capabilities, the unique physical and chemical properties of plastic particles mean that lab-scale efficiencies may differ significantly from real-world performance, highlighting the need for more field-scale studies.
Fate and removal of microplastics in unplanted lab-scale vertical flow constructed wetlands
Laboratory-scale unplanted vertical flow constructed wetlands were shown to remove microplastics from wastewater, with removal efficiency influenced by particle size, shape, and flow rate, highlighting constructed wetlands as a nature-based option for microplastic mitigation.
An examination of Nature-Based Solutions’ ability to retain New and Emerging Pollutants – Preliminary results from a UK field test
Researchers conducted a UK field test of nature-based solutions to evaluate their ability to retain new and emerging pollutants, including microplastics, from stormwater in informal settlements lacking formal drainage infrastructure. Preliminary results indicate that constructed wetland-type systems can intercept a range of contaminants that persist through conventional treatment, though performance varied across pollutant classes.
Microplastics profile in constructed wetlands: Distribution, retention and implications
This study assessed microplastic distribution, retention, and implications within constructed wetlands used for wastewater treatment, finding that wetlands trap substantial quantities of MPs but that retention efficiency varies by plant species and wetland design. The results suggest constructed wetlands both remove and potentially accumulate MPs as a secondary pollution source.
Microplastics occurrence and fate in full-scale treatment wetlands
Researchers assessed microplastic occurrence and fate across full-scale treatment wetlands, finding that constructed wetlands effectively remove a significant proportion of MPs from wastewater but that removal efficiency varies with wetland design and MP characteristics.
Wastewater Treatment Using Constructed Wetland: Current Trends and Future Potential
This review covers constructed wetland technology for wastewater treatment, examining various wetland types, contaminant removal mechanisms, and recent innovations in microbiology that enhance pollutant degradation across municipal, agricultural, and industrial applications.
Wastewater Treatment by Constructed Wetland Eco-Technology: Influence of Mineral and Plastic Materials as Filter Media and Tropical Ornamental Plants
Constructed wetlands using ornamental plants effectively removed chemical pollutants from wastewater, and the presence of plastic residues in the growing medium affected treatment performance. This finding is relevant to understanding how microplastics in constructed wetlands may interfere with natural water purification processes.
Mitigation of emerging pollutants and pathogens in decentralized wastewater treatment processes: A review
This review assessed the performance of decentralized wastewater treatment technologies — including constructed wetlands, biofilters, and solar disinfection — for removing emerging pollutants such as microplastics, pharmaceuticals, and pathogens, identifying combinations of processes that achieve the best overall removal.
Retention of microplastics by interspersed lagoons in both natural and constructed wetlands
Researchers used laboratory wetland models to test how well constructed wetlands with interspersed lagoons and aquatic vegetation can capture microplastic particles from water. Combining vegetated patches with a lagoon achieved microplastic retention rates of up to 99%, suggesting that nature-based wetland designs could be an effective low-cost strategy for filtering microplastics out of wastewater and rivers before they reach the ocean.
Optimization of microplastic removal based on the complementarity of constructed wetland and microalgal-based system
This review examines how constructed wetlands and microalgal-based systems can each remove microplastics from wastewater, along with the limitations of using either approach alone. Researchers found that microplastic accumulation can block wetland substrates and inhibit nitrogen removal, while microalgae face separation challenges in effluent. The study proposes combining both biotechnologies to expand the size range of microplastics removed and improve long-term wastewater treatment sustainability.
Exploring advanced measures of constructed wetland for the improved removal of emerging contaminants
This review examines how enhanced constructed wetlands can be improved to remove emerging contaminants including antibiotics, microplastics, and PFAS from water. The study discusses techniques such as aeration, tidal flow, microbial fuel cells, and advanced oxidation processes that increase the removal efficiency of these contaminants, while noting that scaling up from small-scale investigations remains a significant challenge.
Technological Innovations in the Application of Constructed Wetlands: A Review
This review covers technological advances in constructed wetlands (CWs) for wastewater treatment, including sustainable materials, ornamental plants, and AI-based modeling tools like neural networks and MODFLOW. While CWs have been investigated as a pathway to remove microplastics from wastewater, this paper focuses on general pollutant removal efficiency and does not directly address microplastic outcomes — it is only tangentially relevant to microplastic research.
[Research Process on the Removal Characteristics and Ecological Response of Constructed Wetlands to Microplastics/Nanoplastics].
This Chinese-language review summarized how constructed wetlands remove microplastics and nanoplastics through plant-substrate-microorganism interactions, covering removal mechanisms, ecological effects, and treatment efficiency. The authors found wetlands to be a cost-effective ecological approach but noted significant knowledge gaps on long-term nanoplastic behavior.
Constructed Wetlands as Nature-Based Solutions in the Post-COVID Agri-Food Supply Chain: Challenges and Opportunities
This review explored how constructed wetlands can serve as nature-based solutions for treating agri-food supply chain wastewater in the post-COVID era, addressing challenges including emerging contaminants like microplastics and pharmaceuticals.
Plant Based Application for Microplastic Removal in Constructed Wetlands: A Mini Review
This mini-review examines how wetland plants in constructed wetlands capture and degrade microplastics through physical entrapment, root-zone interactions, and microbial activity, assessing operational factors that determine removal efficiency.