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1 Wiadomości Chemiczne

1 2025

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Skuteczne usuwanie barwników organicznych za pomocą biowęgli otrzymanych z pozostałości po ekstrakcji nadkrytycznej nasion marchwi

Zieliński Damian, Paluch Dorota, Bazan-Woźniak Aleksandra, Wolski Robert, Pietrzak Robert

Wiadomości Chemiczne

2025

[Z] 79, 3-4

181--198

The continuous development of the food, pharmaceutical, and chemical industries has led to increasing environmental pollution. Stricter legal regulations concerning air and water quality have intensified the search for more effective purification methods. Surface waters used for consumption are heavily contaminated by industrial and municipal wastewater discharge. The study presents the preparation, physicochemical properties, and adsorption capacities of activated carbons derived from residues of supercritical extraction of carrot seeds. The carbonization process led to a reduction in volatile matter and a significant increase in mineral content compared to the raw material. Acid-base analysis revealed variations in oxygen functional groups, with physically activated carbons displaying basic character and chemically activated ones showing acidic properties. The findings suggest that carrot seed extraction residues can serve as a cost-effective raw material for producing efficient carbon-based adsorbents for liquid-phase pollutant removal.