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Microplastics removal from natural surface water by coagulation process

Desalination and Water Treatment 2024 16 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 50 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Ewa Wiśniowska, Ewa Wiśniowska, Ewa Wiśniowska, Katarzyna Moraczewska-Majkut, Witold Nocoń Witold Nocoń Ewa Wiśniowska, Ewa Wiśniowska, Witold Nocoń Ewa Wiśniowska, Ewa Wiśniowska, Katarzyna Moraczewska-Majkut, Agnieszka Popenda, Katarzyna Moraczewska-Majkut, Agnieszka Popenda, Katarzyna Moraczewska-Majkut, Katarzyna Moraczewska-Majkut, Agnieszka Popenda, Katarzyna Moraczewska-Majkut, Ewa Wiśniowska, Katarzyna Moraczewska-Majkut, Katarzyna Moraczewska-Majkut, Katarzyna Moraczewska-Majkut, Katarzyna Moraczewska-Majkut, Katarzyna Moraczewska-Majkut, Katarzyna Moraczewska-Majkut, Katarzyna Moraczewska-Majkut, Katarzyna Moraczewska-Majkut, Witold Nocoń Witold Nocoń Ewa Wiśniowska, Katarzyna Moraczewska-Majkut, Witold Nocoń Katarzyna Moraczewska-Majkut, Witold Nocoń Witold Nocoń Witold Nocoń Ewa Wiśniowska, Ewa Wiśniowska, Witold Nocoń Ewa Wiśniowska, Ewa Wiśniowska, Agnieszka Popenda, Katarzyna Moraczewska-Majkut, Witold Nocoń

Summary

Researchers compared the effectiveness of ferrous and aluminum sulfate coagulants for removing microplastics from natural surface water, finding that both successfully removed polystyrene and polyvinyl chloride particles. Ferrous sulfate showed slightly higher removal efficiency, and the addition of coagulant aids further improved results. The study demonstrates that conventional coagulation processes already used in drinking water treatment can meaningfully reduce microplastic contamination.

Polymers

PS PVC

Study Type Environmental

The present study aimed to compare the efficiency of microplastic removal from natural surface water by coagulation with ferrous and aluminum sulfate in the presence and without the selected coagulant aids. Coagulation with Fe(II) and Al(III) sulfates at doses conventionally used for drinking water treatment (10 – 80 mg.L−1) was effective in polystyrene and polyvinyl chloride removal. Fe(II) salts showed up to 5 % efficiency higher in microplastic removal under the conditions of the experiment. The addition of the flocculating agent to support the aggregation of flocs allowed for the improvement of microplastic removal efficiency at the same dose of up to 10 %. Based on the results, flocculating agents are recommended for microplastic removal. Coagulation without flocculating agent amendment is enough to remove most microplastics if filtration is applicable.

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