Amino-functionalized chitosan/carboxymethyl cellulose aerogel for efficient Cr(VI) removal and its carbonized derivative as a photocatalyst for tetracycline degradation.

Key Points

• This research aims to develop a chitosan/carboxymethyl cellulose aerogel for Cr(VI) removal and its carbonized derivative for tetracycline degradation.
• Preparation of amino-functionalized chitosan/carboxymethyl cellulose aerogel
• Characterization of photocatalytic activity under visible light
• Application of density functional theory for degradation pathway analysis
• Liquid chromatography-mass spectrometry analysis of degradation products
• Achieved 97.8% tetracycline degradation within 60 minutes
• Identified degradation pathways including hydroxylation, demethylation, amide cleavage, and ring opening
• Proposed an integrated adsorption-conversion-catalysis strategy for pollution control

Abstract