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Updated: Apr 15, 2026
Sampling, Sorting, and Characterizing Microplastics in Aquatic Environments with High Suspended Sediment Loads and Large Floating Debris
Published on: July 28, 2018
Adhesion-Driven Removal of Microplastics From Aquatic Systems by Using Microgel Glues
Jinmeng Zhang1, Jie Xu1, Wen Chen1
1State Key Laboratory For Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, The Key Laboratory For Chemical Biology of Fujian Province, and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian, China.
This study introduces a novel method using microgels to aggregate and remove tiny microplastics (MPs) from water. The technique effectively captures even nanoscale plastics, offering a sustainable solution for aquatic environments.
Area of Science:
- Environmental Science
- Materials Science
- Chemical Engineering
Background:
- Microplastics (MPs) pose a significant threat to aquatic ecosystems.
- Small MPs (<1 µm) are difficult to remove due to Brownian motion and hydration layers.
Purpose of the Study:
- To develop an effective and sustainable method for microplastic remediation.
- To address the challenge of removing nanoscale plastics from aquatic environments.
Main Methods:
- An adhesion-driven co-precipitation strategy using polymeric microgels as aggregators.
- Utilizing microgels to induce directional transport and interfacial deposition of MPs.
- Testing the removal efficiency for various plastic types (PS, PE, PP, PET) and sizes.
Main Results:
- Achieved effective enrichment and physical separation of diverse microplastic types.
- Demonstrated efficient removal (>90%) of microplastics, including nanoscale particles down to 50 nm.
- The strategy proved broadly applicable and environmentally sustainable.
Conclusions:
- The proposed microgel-based co-precipitation is a promising approach for microplastic remediation.
- This method offers a viable solution for removing even the smallest plastic particles from aquatic systems.
- Highlights the potential of bio-inspired adhesion mechanisms for environmental cleanup.
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