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Advances in Research of Collection and Detection Methods of Microplastics in Environment
Summary
This study evaluated the performance of sand filtration for removing microplastics from drinking water, finding high removal efficiencies for particles larger than 10 µm but poor retention of smaller particles. The results indicate that nanoplastics may pass through conventional drinking water treatment unimpeded, representing a potential gap in public health protection.
As a new type of environmental pollutants, microplastics have gradually attracted people's attention. A large number of plastics discharged into the environment by human beings are constantly aging and breaking, and finally become microplastics. Microplastics can adsorb pollutants in the environment, and their components have certain toxicity, which can cause different degrees of harm to organisms. Due to the structural characteristics of microplastic particles, such as small particle size, large specific surface area, and their distribution in different environmental media, it is very difficult to accurately detect microplastics. Reliable collection and detection methods are the key to the study of environmental behavior of microplastics. In this study, the collection and detection methods of microplastics in the environment were reviewed, and the development direction of microplastics detection technology in the future was prospected. This study has a certain reference value for the related research and the prevention and treatment of micro-plastic pollution.