Enhanced polystyrene nanoplastic removal by CTAB-modified magnetic biochar: Adsorption performance and mechanisms

Key Points

• Enhanced adsorption performance was observed with modified biochar, indicating stronger removal capabilities.
• The adsorption capacity of the CTAB-modified magnetic biochar significantly improved for polystyrene nanoplastics.
• Analysis of adsorption mechanisms revealed effective binding interactions between the biochar and nanoplastics.
• This approach suggests new methods for tackling plastic pollution, emphasizing the importance of magnetic biochar.