Papers

61,005 results
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Article Tier 2

Removal of microplastics from wastewater: available techniques and way forward

This review surveys the available techniques for removing microplastics from wastewater, including filtration, coagulation, biological treatment, and advanced methods like membrane bioreactors. Researchers found that while conventional treatment plants can remove a substantial fraction of microplastics, significant amounts still pass through to the environment. The study emphasizes the need for upgrading wastewater treatment systems to better capture these emerging contaminants.

2021 Water Science & Technology 100 citations
Article Tier 2

Micro- and nanoplastics removal mechanisms in wastewater treatment plants: A review

This review examines how conventional wastewater treatment plants remove micro- and nanoplastics, and evaluates advanced technologies like membrane filtration and electrocoagulation that could improve removal rates. While existing treatment plants can capture most microplastics, they still release significant quantities into waterways through their enormous discharge volumes. The study highlights that biological treatment steps may also transform microplastics in potentially harmful ways that need further investigation.

2022 Journal of Hazardous Materials Advances 88 citations
Article Tier 2

A comprehensive review of microplastics in wastewater treatment plants

This review surveys microplastic removal technologies used in wastewater treatment plants, comparing membrane bioreactors, electrocoagulation, coagulation-sedimentation, and biodegradation approaches. Understanding removal efficiency at treatment plants is critical because they are a primary pathway by which microplastics — and the toxic chemicals they carry — reach rivers, coastal waters, and ultimately drinking water supplies.

2024 BIO Web of Conferences 2 citations
Review Tier 2

Removing microplastics from wastewater using leading-edge treatment technologies: a solution to microplastic pollution—a review

This review examined leading-edge treatment technologies for removing microplastics from wastewater, as treatment plants are a major pathway for microplastics entering the environment. Researchers evaluated various advanced treatment methods including membrane filtration, advanced oxidation, and electrocoagulation for their microplastic removal efficiency. The study suggests that combining multiple treatment approaches may be necessary to effectively reduce microplastic discharge from wastewater systems.

2022 Bioprocess and Biosystems Engineering 60 citations
Article Tier 2

Eradication of Microplastics in Wastewater Treatment: Overview

This review examined technologies for removing microplastics from wastewater, evaluating physical, chemical, and biological treatment methods and finding that while conventional treatment plants capture a significant fraction, emerging technologies like membrane filtration and coagulation are needed to achieve more complete removal.

2022 Biointerface Research in Applied Chemistry 21 citations
Article Tier 2

Innovative technologies for removal of micro plastic: A review of recent advances

Researchers reviewed emerging technologies for removing microplastics from wastewater, covering filtration, coagulation, biological treatment, and other methods used at treatment plants. The review highlights which approaches show the most promise and calls for broader adoption and improved standardization so that microplastics are more consistently captured before they reach rivers, lakes, and oceans.

2024 Heliyon 55 citations
Article Tier 2

Recent advances in treatment of microplastics in wastewater

This review examines current methods for removing microplastics from wastewater, including conventional treatment processes and newer advanced techniques. Researchers found that while standard treatment plants can remove a significant portion of microplastics, many particles still pass through into waterways, and the captured plastics often end up concentrated in sewage sludge. The study highlights the need for improved treatment technologies to more effectively address microplastic contamination in water systems.

2024 IWA Publishing eBooks 5 citations
Meta Analysis Tier 1

Microplastics removal technologies from aqueous environments: a systematic review

This systematic review evaluated microplastic removal technologies and found that membrane filtration, electrocoagulation, and advanced oxidation processes are the most effective methods for removing microplastics from aqueous environments. The research highlights that conventional water treatment alone is insufficient to fully eliminate microplastics, and that combining multiple treatment stages achieves the highest removal rates.

2023 Journal of Environmental Health Science and Engineering 9 citations
Article Tier 2

Advancements and Regulatory Situation in Microplastics Removal from Wastewater and Drinking Water: A Comprehensive Review

This review examines current methods for detecting and removing microplastics from wastewater and drinking water treatment plants. Researchers found that while existing treatment processes remove many microplastics, some particles still pass through to discharge into natural water bodies. The study also provides an overview of regulations and policies in the United States addressing microplastic contamination in water systems.

2024 Microplastics 30 citations
Article Tier 2

Filtration Methods for Microplastic Removal in Wastewater Streams — A Review

This review surveys filtration, membrane, coagulation, and biological methods for removing microplastics from wastewater, concluding that membrane bioreactors and dynamic membranes are among the most effective current technologies. The paper provides a useful comparative overview for engineers and policymakers seeking cost-effective solutions to prevent microplastics from passing through treatment plants into waterways.

2023 International Journal of High Speed Electronics and Systems 6 citations
Article Tier 2

Removal of microplastics via drinking water treatment: Current knowledge and future directions

This review examines what is currently known about microplastics in drinking water systems and how well existing water treatment processes remove them. Researchers found that while conventional treatment steps like coagulation and filtration do reduce microplastic levels, significant amounts can still persist through to tap water. The study calls for more research into optimizing treatment processes and developing monitoring strategies specifically targeting microplastic contamination in drinking water.

2020 Chemosphere 386 citations
Article Tier 2

Microplastics in aquatic systems: An in-depth review of current and potential water treatment processes

This review provides a detailed examination of microplastic contamination in aquatic systems and evaluates current and emerging water treatment technologies for their removal. Researchers assessed methods ranging from conventional coagulation and filtration to advanced techniques like membrane bioreactors and electrochemical processes. The study concludes that while no single technology fully eliminates microplastics, combining multiple treatment approaches offers the most promising path forward.

2024 Chemosphere 10 citations
Article Tier 2

Review and future outlook for the removal of microplastics by physical, biological and chemical methods in water bodies and wastewaters

This review compares physical, biological, and chemical methods for removing microplastics from water and wastewater, including newer approaches like advanced membranes, bacterial degradation, and electrochemical treatment. Each method has trade-offs between removal efficiency, cost, and environmental impact, and no single technique currently solves the problem completely. The review emphasizes that developing effective microplastic removal technology is urgent for protecting both ecosystems and human drinking water supplies.

2025 Environmental Monitoring and Assessment 25 citations
Review Tier 2

Removal of microplastics in unit processes used in water and wastewater treatment: a review

This review evaluates various water and wastewater treatment technologies for their ability to remove microplastics, including filtration, coagulation, and advanced oxidation methods. The authors found that while conventional treatment plants can remove a large percentage of microplastics, significant quantities still pass through into treated water. The study calls for combining multiple treatment steps and developing new technologies specifically designed to capture micro- and nanoplastic particles.

2023 Archives of Environmental Protection 24 citations
Review Tier 2

Removal of microplastics and nanoplastics in water treatment processes: A systematic literature review

Researchers systematically reviewed 103 studies across 26 water treatment plants in 12 countries to assess how well various technologies remove microplastics and nanoplastics from drinking water, finding that while coagulation, filtration, and advanced treatments help, significant gaps remain. The review identifies that no single process achieves complete removal, leaving microplastics as a persistent contaminant in treated water supplies.

2024 Journal of Water Process Engineering 34 citations
Review Tier 2

A review of microplastic removal from water and wastewater by membrane technologies

This review examines how membrane filtration technologies can remove microplastics from drinking water and wastewater. Researchers found that advanced membranes like nanofiltration, reverse osmosis, and membrane bioreactors are among the most effective methods for capturing microplastic particles that conventional treatment plants miss. The study compares membrane approaches with other removal methods and discusses the challenges of membrane fouling caused by microplastic accumulation.

2023 Water Science & Technology 146 citations
Review Tier 2

Chemical methods to remove microplastics from wastewater: A review

This review examines three chemical approaches for removing microplastics from wastewater: coagulation (clumping particles together), electrocoagulation (using electrical current), and advanced oxidation (breaking plastics down chemically). Each method has strengths and weaknesses in terms of cost, effectiveness, and potential byproducts. The research is important because wastewater treatment plants are a major pathway through which microplastics reach rivers, lakes, and ultimately human drinking water sources.

2024 Environmental Research 55 citations
Article Tier 2

Treatment technologies for the removal of micro plastics from aqueous medium

Researchers reviewed treatment technologies for removing microplastics from water, finding that while multiple methods including filtration, membrane processes, and coagulation show promise, their effectiveness depends on microplastic size, type, and concentration.

2022 AIP conference proceedings 4 citations
Article Tier 2

Investigation of microplastics removal methods from aquatic environments

This review summarizes current methods for removing microplastics from water environments, including filtration, coagulation, biological degradation, and advanced oxidation. No single technique is fully effective, and the authors note that combining methods and improving wastewater treatment infrastructure is essential.

2021 Heritage and Sustainable Development ISSN 2712-0554 3 citations
Article Tier 2

Recent approaches and advanced wastewater treatment technologies for mitigating emerging microplastics contamination – A critical review

This review critically assessed advanced wastewater treatment technologies for removing microplastics, noting that conventional treatment plants act as both barriers and point sources for microplastic release into the environment. The study suggests that advanced treatment approaches such as membrane filtration and advanced oxidation processes show promise for improving microplastic removal efficiency from wastewater.

2022 The Science of The Total Environment 243 citations
Article Tier 2

Conventional and Advanced Treatment Technologies for Microplastics in Water Treatment Facilities

This review evaluated both conventional and advanced water treatment methods for removing microplastics from wastewater. Researchers found that while techniques like coagulation, filtration, and membrane bioreactors can remove most microplastics, treatment plants still release significant quantities due to the sheer volume of water processed, and microplastic-laden sludge applied to farmland creates another pathway for environmental contamination.

2024 Preprints.org 6 citations
Article Tier 2

What have we known so far about microplastics in drinking water treatment? A timely review

This review summarizes research on microplastic occurrence and removal in drinking water treatment, covering both laboratory and full-scale studies through August 2021. Researchers found that conventional treatment processes like coagulation-flocculation, membrane filtration, and sand filtration are generally effective at reducing microplastics in water, though results vary widely depending on conditions. The study identifies key factors influencing removal efficiency and highlights the need for further research on nanoplastics in drinking water.

2021 Frontiers of Environmental Science & Engineering 68 citations
Article Tier 2

Reduction of Microplastic in Wastewater Via Electrocoagulation Process

This review examines how electrocoagulation, a water treatment process that uses electrical current to clump contaminants together, can remove microplastics from wastewater. Researchers found that the technique can achieve high removal rates for various types and sizes of microplastic particles. The study highlights electrocoagulation as a promising and relatively simple addition to conventional wastewater treatment for addressing microplastic pollution.

2024 IOP Conference Series Earth and Environmental Science 8 citations
Article Tier 2

Treatment processes for microplastics and nanoplastics in waters: State-of-the-art review

This review summarized established and emerging treatment processes for removing microplastics and nanoplastics from drinking water and wastewater, evaluating coagulation, membrane filtration, advanced oxidation, and biological treatment in terms of removal efficiency and operational feasibility.

2021 Marine Pollution Bulletin 102 citations