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Developing a circular economy from plastic waste and identifying microplastics in domestic water supplies in Ho Chi Minh City and the Southeastern provinces
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This study explored pathways for developing circular economy systems from plastic waste streams, including identification and quantification of microplastics at different stages of the waste cycle as a prerequisite for effective material recovery.
Abstract While humans are struggling to deal with plastic waste, the plastic decomposition products, namely microplastics, have silently infiltrated almost all environmental states. This study examines the feasibility of a circular economy approach for addressing plastic waste and reducing microplastics in source water in Southeastern provinces. Of the 400 households surveyed, there were 200 households in Ho Chi Minh, 50 households in Dong-naiand 150 households in Binh Duong, only 10% of household plastic waste is recycled, 33% of them are sold as scrap and 57% of them are completely processed. Out of the remaining 57% of waste, it can be the starting material to produce later stage products and create income opportunities of hundreds of billions of VND per month for Ho Chi Minh and Binh Duong province. The process of breaking down plastic waste into microplastics in the Sai Gon River and Dong Nai River has resulted in the emergence of microplastic polymers such as Polypropylene (27.1%), Polyethylene (51.2%), Polyvinyl Chloride (13.4%), and 8.3% of other plastics. These microplastics pose a significant threat to human health. The SWOT analysis identifies opportunities and challenges for implementing a circular economy approach to minimize plastic waste and microplastics in the study area.
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Assessment and Sustainable Management Strategies for Plastic Waste in Can Tho City, Vietnam: A Circular Economy Approach
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Researchers conducted a comprehensive analysis of plastic waste accumulation in both land and water environments in Can Tho City, Vietnam, applying a circular economy framework. The study proposes sustainable management strategies for reducing plastic pollution in a country with high per capita plastic consumption and significant waste discharge.
Municipal solid waste system of a tourism destination toward circular economy – Understanding plastic leakage into water system
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Researchers applied waste flow analysis and material flow analysis to Hoi An, Vietnam, finding that while formal collection captures over 90% of municipal solid waste, 27 tonnes of plastic leak annually — predominantly from uncollected waste and inadequate collection services — with the informal sector recovering the majority of recyclables.
Potential contamination of microplastic from plastic recycling enterprises in Ho Chi Minh City, Vietnam
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Researchers found that plastic recycling plants in Ho Chi Minh City release significant concentrations of microplastics through their wastewater and sludge, with thousands of particles per liter in effluent, identifying recycling facilities as an underrecognized continuous source of microplastic pollution.
Microplastic pollution in a tropical river impacted by a developing megacity. The Saigon River - Ho Chi Minh City, Vietnam.
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This study documented microplastic pollution in the Saigon River flowing through Ho Chi Minh City, Vietnam, finding elevated concentrations in a rapidly urbanizing megacity that lacks adequate plastic waste management — highlighting the role of developing cities in contributing to ocean plastic pollution.
Sources of microplastic pollution in the Saigon-Dong Nai rivers, potential risks affecting human health and recommendations for mitigation solutions
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Sampling of the Saigon-Dong Nai river system in Vietnam detected microplastic fragments, films, and fibres at concentrations of up to 715,000 particles per cubic metre, primarily sourced from urban runoff, wastewater, and industrial discharge. Because these rivers supply drinking water and support subsistence fishing for millions of people, the findings highlight a significant and largely unquantified human exposure pathway to microplastics in a rapidly urbanising region.
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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.