Journal
MOLECULES
Volume 25, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/molecules25081827
Keywords
nanoplastics; microplastics; organic contaminants; sorption mechanism; influencing factors
Funding
- National Natural Science Foundation of China [21707101, 21677078]
- Opening Foundation of Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria [2017-06]
- Innovation Team Training Plan of the Tianjin Education Committee [TD13-5073]
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Nano and microplastics (NPs/MPs) have received widespread attention in recent years. Because of their large specific surface area and hydrophobicity, NPs/MPs can adsorb various organic contaminants. This article gives a brief review of the sorption behavior of organic contaminants to NPs/MPs, summarizes the possible sorption mechanisms, and analyzes the influencing factors in the environment on the sorption behavior and mechanisms of NPs/MPs. The main mechanisms of sorption of organic contaminants to NPs/MPs are partitioning, surface sorption (hydrogen bonding, pi-pi interaction, electrostatic interaction, and van der Waals force), and pore filling. The sorption behavior of organic contaminants to NPs/MPs is not only affected by the properties of the NPs/MPs and the organic contaminants, but also by the solution chemistry, such as the pH, ionic strength, and dissolved organic matter.
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