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Preventing Microplastic Release into Oceans through Wastewater Treatment Technologies.
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Comparing immersed and sidestream membrane bioreactors for microplastic removal from wastewater, this analysis found membrane bioreactors more efficient than conventional treatment, identifying them as a key technology to prevent microplastic release to oceans.
As the use of plastics in daily life and industrial manufacturing skyrocketed with technological advances, the problem of plastics and manmade microbeads entering the oceans and breaking down into microplastics that can harm humans and marine animals is becoming a rising concern due to improper disposal and treatment of plastic waste. There are currently no technology specifically aiming for capturing and collecting microplastics that existed in the ocean; therefore, it is essential to reduce and eventually prevent further input of plastics from land into the ocean via wastewater discharge. Based on an analysis of two wastewater treatments from their mechanisms, effectiveness, costs, and applications, research found that while Immersed and Sidestream membrane bioreactors are more efficient than other technologies at capturing and reducing plastics, they run the risk of missing or even generating secondary microplastics in the wastewater treatment processes, so there are emergent needs for improvements on the technologies as well as increasing awareness globally.
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Preventing Microplastic Release into Oceans through Wastewater Treatment Technologies
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This review examined wastewater treatment technologies capable of preventing microplastic release into oceans, finding no treatment specifically designed for MP capture yet significant removal achievable through combinations of filtration, coagulation, and membrane processes. It called for targeted development of microplastic-specific treatment technologies.
Análise de técnicas de remediação para a mitigação de micro e nanoplásticos em oceanos com base na revisão da literatura
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This review analyzed scientific literature on remediation techniques for removing micro- and nanoplastics from ocean environments, identifying and comparing two key approaches: the first focused on membrane-based methods — ultrafiltration, membrane bioreactors, and dynamic membrane technology — for wastewater treatment, and the second examined nanomaterials as adsorbents. Membrane technologies demonstrated high removal efficiency for micro- and nanoplastics, though each method presents implementation challenges that require further research.
The Effect of Wastewater Treatment Methods on the Retainment of Plastic Microparticles
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This review examined how different wastewater treatment methods retain or remove plastic microparticles, finding that treatment plant design significantly affects how many microplastics escape to the environment. Advanced treatment processes such as membrane bioreactors outperformed conventional activated sludge systems in removing microplastics.
Filtration Methods for Microplastic Removal in Wastewater Streams — A Review
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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.
Occurrence, identification and removal of microplastics in a wastewater treatment plant compared to an advanced MBR technology: Full-scale pilot plant
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Researchers compared microplastic removal efficiency between a standard wastewater treatment plant and an advanced membrane bioreactor (MBR) system and found MBR technology achieved 99.7% removal — far outperforming conventional treatment — suggesting upgraded filtration systems are critical to keeping microplastics out of waterways.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.