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Microplastics: Occurrences, treatment methods, regulations and foreseen environmental impacts
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This review provides a broad overview of microplastic pollution, covering where these particles are found, how they are treated and regulated, and what environmental impacts are anticipated. Researchers found that current wastewater treatment methods are often insufficient to fully remove microplastics, and regulatory frameworks remain inconsistent across countries. The study emphasizes the urgent need for improved treatment technologies and coordinated global policies to address this growing environmental challenge.
Microplastics are a silent threat that represent a high degree of danger to the environment in its different ecosystems and of course will also have an important impact on the health of living organisms. It is evident the need to have effective treatments for their treatment, however this is not a simple task, this as a result of the behavior of microplastics in wastewater treatment plants due to their different types and nature, their long molecular chain, reactivity against water, size, shape and the functional groups they carry. Wastewater treatment plants are at the circumference of the release of these wastes into the environment. They often act as a source of many contaminations, which makes this problem more complex. Challenges such as detection in the current scenario using the latest analytical techniques impede the correct understanding of the problem. Due to microplastics, treatment plants have operational and process stability problems. This review paper will present the in-depth situation of occurrence of microplastics, their detection, conventional and advanced treatment methods as well as implementation of legislations worldwide in a comprehensive manner. It has been observed that no innovative or new technologies have emerged to treat microplastics. Therefore, in this article, technologies targeting wastewater treatment plants are critically analyzed. This will help to understand their fate, but also to develop state-of-the-art technologies or combinations of them for the selective treatment of microplastics. The pros and cons of the treatment methods adopted and the knowledge gaps in legislation regarding their implementation are also comprehensively analyzed. This critical work will offer the development of new strategies to restrict microplastics.
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Review of Microplastic Distribution, Toxicity, Analysis Methods, and Removal Technologies
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This review provides a broad overview of microplastic pollution, covering where microplastics are found globally, their potential health effects on humans and ecosystems, current analytical detection methods, and available removal technologies. Researchers note that significant gaps remain in understanding the full scope of microplastic toxicity and that no single removal method is fully effective. The study calls for continued development of both monitoring techniques and treatment technologies to address this pervasive environmental contaminant.
Advancements and Regulatory Situation in Microplastics Removal from Wastewater and Drinking Water: A Comprehensive Review
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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.
Microplastics in wastewater: State of the knowledge on sources, fate and solutions
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This review synthesizes current knowledge on microplastics in wastewater — their sources, fate through treatment processes, and discharge into the environment — and identifies research priorities and potential solutions. The paper serves as a key reference for understanding how wastewater systems contribute to the global distribution of microplastic pollution.
Microplastics in Wastewater Treatment Plants: Characteristics, Occurrence and Removal Technologies
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This review summarizes how wastewater treatment plants are a major pathway for microplastics entering the environment, covering the types, sizes, and sources of microplastics found in wastewater. While treatment plants can remove many microplastics, significant amounts still escape into rivers and oceans through treated water and sludge. The authors evaluate various removal technologies and recommend advanced treatment methods to better prevent microplastics from reaching water supplies.
Addressing the microplastic crisis: A multifaceted approach to removal and regulation
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Researchers reviewed the growing crisis of microplastic pollution and concluded that no single solution is sufficient — effective action requires combining better wastewater treatment, biodegradable plastic alternatives, stricter regulations, public education, and new detection technologies. They identified major knowledge gaps in understanding the full health and ecological impacts, underscoring the need for global cooperation.
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