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Chemically Treated Orange Peels as a Bio-absorbent for Various Dyes
Chemical Engineering Transactions
In this study, the decolorization capability of various synthetic dyes using the chemically treated orange peel (CTOP) is highly effective. An uncomplicated consecutive chemical treatment process by sodium hydroxide and iso-propanol promotes enhanced adsorption capacity of the raw orange peel for cationic dyes and enables high removal efficiencies in a wide range of pH conditions. The highest removal efficiency of the CTOP for the dyes in the pH range of 3-9 follows the order, safranin (99 %,doi:10.3303/cet2189014 doaj:d983133782994f019199ba8213f060c9 fatcat:phqeltp4qzdb3i5xkwtfznwn5u