Papers

61,005 results
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Article Tier 2

Abundance and removal of microplastics in sewerage treatment plants: A case study of Ujung Menteng Flat House

Researchers evaluated microplastic characteristics and removal efficiency at the Ujung Menteng Flat House Sewerage Treatment Plant in Indonesia, sampling from influent, activated sludge, and effluent to assess how effectively existing wastewater infrastructure — not designed for microplastic removal — reduces contamination.

2025 IOP Conference Series Earth and Environmental Science
Article Tier 2

Characteristics and removal of microplastics in urban domestic WWTP system: A case study in Bandung city, Indonesia

Four communal wastewater treatment plants in Bandung, Indonesia had high incoming microplastic concentrations averaging 537.5 particles/L, with fibers (52%) and particles 1,001–5,000 µm dominant, but showed partial removal efficiency during treatment.

2024 Case Studies in Chemical and Environmental Engineering 8 citations
Article Tier 2

Distribution of Microplastics in Domestic Wastewater and Microplastics Removal Potential in Wastewater Treatment Plants

Researchers examined the distribution of microplastics in domestic wastewater in Indonesia and assessed the microplastic removal potential of wastewater treatment plants, using digestion, vacuum filtration, and microscopy to identify microplastics by concentration, shape, size, and color across treatment stages.

2023 Journal of Ecological Engineering 3 citations
Article Tier 2

Identifikasi Kelimpahan dan Karakteristik Fisik Mikroplastik pada Pengolahan Air Lindi Tempat Pengelolaan Sampah Terpadu Bantargebang

Researchers identified the abundance and physical characteristics of microplastics in leachate from Bantargebang TPST, a large-scale integrated waste management facility in Indonesia, finding significant microplastic contamination in leachate streams and characterizing particle morphology and distribution.

2025 Jurnal Teknologi Lingkungan Lahan Basah
Article Tier 2

Distribution and occurrence of microplastics in wastewater treatment plants

Researchers investigated microplastic distribution in three industrial wastewater treatment plants in Vietnam, finding average removal efficiencies of only 21-26%, with billions of microplastic particles discharged daily into receiving waters from the largest plant.

2022 Environmental Technology & Innovation 119 citations
Article Tier 2

Occurrence and Characteristics of Microplastics in a Wastewater Treatment Plant

Researchers sampled the inflow, outflow, and sludge of a Chinese wastewater treatment plant, finding up to 44 microplastic particles per liter in incoming water — mostly polyester fibers. The plant removed about 96% of microplastics, but the remaining fraction was still discharged into receiving waterways.

2021 Bulletin of Environmental Contamination and Toxicology 24 citations
Article Tier 2

Study of occurrence, abundance, and characterization of microplastics in wastewater treatment plant in New Delhi, India

Researchers quantified microplastic prevalence in influent, treated effluent, and sludge from a wastewater treatment plant in New Delhi, finding that MPs are present throughout the treatment process and that the plant incompletely removes them, discharging MPs into receiving waters.

2025 Environmental Monitoring and Assessment
Article Tier 2

Evaluation of microplastic removal efficiency of wastewater-treatment plants in a developing country, Vietnam

Researchers evaluated microplastic removal efficiency at four wastewater treatment plants in Vietnam, finding removal rates of 92-99% but substantial daily microplastic loads still entering receiving waters through effluent discharge.

2023 Environmental Technology & Innovation 59 citations
Article Tier 2

A review of microplastics in wastewater treatment plants in Türkiye: Characteristics, removal efficiency, mitigation strategies for microplastic pollution and future perspective

This review comprehensively examines microplastic pollution in wastewater treatment plants across Turkiye, analyzing their characteristics, abundance, and removal efficiency. Researchers found that while treatment plants remove a significant portion of microplastics, effluent discharge still represents an important source of microplastic contamination to aquatic environments.

2024 Water Science & Technology 16 citations
Article Tier 2

Microplastics in industrial wastewater treatment plant: Quantification, identification and ecological risk assessment

Researchers quantified microplastics in an industrial wastewater treatment plant in Thailand across wet and dry seasons, finding the highest concentrations after the aeration treatment stage. The study demonstrates that industrial wastewater treatment is an important but undermonitored pathway for microplastics entering aquatic environments.

2020
Article Tier 2

Occurrence, Characteristics, and Removal of Microplastics in Wastewater Treatment Plants

This review summarizes the occurrence, characteristics, and removal efficiency of microplastics in wastewater treatment plants, highlighting how these facilities simultaneously act as sinks trapping microplastics and as sources releasing them into surrounding aquatic and terrestrial environments.

2025
Article Tier 2

Effectiveness of conventional municipal wastewater treatment plants in microplastics removal: Insights from multiple analytical techniques

Researchers evaluated the effectiveness of conventional municipal wastewater treatment plants in removing microplastics across multiple treatment stages, finding removal efficiencies of 70–90% but documenting that billions of particles still pass through in final effluent daily.

2025 Journal of Environmental Sciences 4 citations
Article Tier 2

Influence of wastewater treatment process on pollution characteristics and fate of microplastics

Researchers investigated microplastic abundance and removal efficiency across four wastewater treatment plants using different treatment technologies, finding influent concentrations between 539 and 1,290 particles per liter that were reduced substantially by primary and secondary treatment. Smaller microplastic particles proved hardest to remove and most likely to persist in final effluent.

2021 Marine Pollution Bulletin 45 citations
Article Tier 2

Evaluation of microplastics removal efficiency at a wastewater treatment plant discharging to the Sea of Marmara

Researchers tracked microplastics through all compartments of a secondary wastewater treatment plant in Istanbul, finding that the plant removed about 86% of incoming microplastics but still discharged a substantial number to the Sea of Marmara, with fibers as the dominant form.

2021 Environmental Pollution 106 citations
Article Tier 2

Microplastic occurrence and characteristics in a municipal wastewater treatment plant in Jakarta

A Jakarta wastewater treatment plant was found to remove about 91% of incoming microplastics, yet still discharged an estimated 352 microplastic particles per second into the aquatic environment. Fibers were the dominant shape, and particles ranged from 100 to 5,000 µm. This study highlights that even efficient treatment plants are significant ongoing sources of microplastic pollution in urban waterways.

2023 IOP Conference Series Earth and Environmental Science 11 citations
Article Tier 2

Unaccounted Microplastics in the Outlet of Wastewater Treatment Plants—Challenges and Opportunities

This review examines the challenges wastewater treatment plants face in capturing and detecting microplastics, highlighting significant gaps in removal efficiency and calling for improved monitoring and treatment technologies to prevent microplastic discharge into natural water systems.

2023 Processes 13 citations
Article Tier 2

Microplastics Identification in Plastic Recycling Facility: Removal Efficiencies of the Treatment Plants and Its Potential Release to the Environment

A plastic recycling facility in Indonesia was found to release significant quantities of microplastics into its wastewater, with nearly 500 particles per liter entering the treatment system and smaller fragments persisting even after treatment. The findings highlight that recycling operations — often considered part of the solution to plastic waste — can themselves be a meaningful source of microplastic pollution in local waterways.

2024 Journal of Ecological Engineering 2 citations
Article Tier 2

Wastewater treatment plants as a pathway for microplastics: Development of a new approach to sample wastewater-based microplastics

Researchers developed a new sampling and monitoring protocol for microplastics at wastewater treatment plants, enabling more consistent tracking of microplastic loads through treatment stages and discharged effluent.

2017 Water Research 1317 citations
Article Tier 2

Occurrence and Removal of Microplastics in Wastewater Treatment Plants: Perspectives on Shape, Type, and Density

Researchers compiled data from multiple countries on microplastic removal efficiency across different stages of wastewater treatment plants. They found that removal rates varied widely, from 48% in some facilities to over 90% in others, depending on the treatment technologies employed. The study suggests that while conventional wastewater treatment can capture a significant portion of microplastics, advanced tertiary treatment methods are needed to further reduce discharge into the environment.

2024 Water 11 citations
Article Tier 2

Evaluation of the Presence of Microplastics in Wastewater Treatment Plants: Development and Verification of Strategies for Their Quantification and Removal in Aqueous Streams

Researchers evaluated microplastic presence in wastewater treatment plants and developed a pilot capture system capable of detecting, quantifying, and removing microplastic particles from water. The study found that conventional treatment processes are insufficient for complete microplastic removal, highlighting the need for dedicated technologies to address this gap in water treatment infrastructure.

2025 Sustainability 1 citations
Article Tier 2

Unveiling Microplastic Removal and Characteristics in Wastewater from Two Municipal Wastewater Treatment Facilities in Indonesia

Two Indonesian municipal wastewater treatment plants — one advanced, one using simple ponds — both achieved roughly 90% microplastic removal, bringing influent concentrations of around 16 particles per liter down to about 1.5 particles per liter in treated effluent. Despite high removal rates, the remaining microplastics (predominantly PP, PE, PET, and polystyrene fibers and fragments) still discharge into receiving waters continuously, highlighting the need for improved treatment technologies to protect Indonesian aquatic ecosystems.

2026 SHILAP Revista de lepidopterología
Article Tier 2

Microplastic Abundance and Distribution in a Wastewater Treatment Plant in Bangladesh

Researchers investigated the abundance and distribution of microplastics in the Pagla Sewage Water Treatment Plant in Bangladesh, examining influent, effluent, and sludge to assess the facility as a potential source of microplastic pollution across multiple environmental compartments. The study found microplastics present throughout the treatment process, highlighting wastewater treatment plants as under-studied vectors of microplastic dispersal.

2022 ISEE Conference Abstracts 1 citations
Article Tier 2

Research progress on microplastics in wastewater treatment plants: A holistic review

This review provides a holistic assessment of microplastics in wastewater treatment plants, covering sampling methods, occurrence patterns across treatment stages, removal efficiencies, and the environmental risks posed by microplastic discharge through effluent and sludge.

2022 Journal of Environmental Management 88 citations
Article Tier 2

Occurrence, identification, and discharge of microplastics from effluent and sludge of the largest WWTP in Iran—South of Tehran

Researchers quantified microplastics in Iran's largest wastewater treatment plant and found significant concentrations in both effluent and sludge, identifying the facility as a pathway for microplastic release into the environment despite treatment processes.

2022 Water Environment Research 24 citations