Evaluation of Mechanism on Selective, Rapid, and Superior Adsorption of Congo Red by Reusable Mesoporous α-Fe2O3 Nanorods
作者： Debabrata Maiti , Soumita Mukhopadhyay , Parukuttyamma Sujatha Devi
DOI: 10.1021/ACSSUSCHEMENG.7B01684
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摘要: A large scale synthesis of mesoporous hematite (α-Fe2O3) nanorods with a high surface area 98 m2/g and an average pore size ∼26 nm was used for adsorption studies pollutant dye removal. The exhibited rapid, superior, selective efficiency toward Congo red, organic present in wastewater. Highly capability the α-Fe2O3 has been attributed to presence abundant active sites porous networks which make it highly water dispersible facilitating formation H-bonding coordination effect between -NH2 group red its -OH groups Fe3+, respectively. Adsorption concerning contact time, initial concentration, dosage adsorbent, pH on kinetics were explored addition desorption process investigation regarding solution from acidic alkaline. To unravel unresolved phenomenon adsorption...
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