Efficacy of orange peel in the decolourization of the commercial auramine yellow dye used in textile industry

Paul, J John ; Surendran, A ; Thatheyus, AJ


Auramine yellow dye used in textile industry was treated with different quantities of carbon activated dried orange peel for ten days. 0.2, 0.4, 0.6 and 0.8 g quantities of orange peel were tested with 100, 200, 300 and 400 ppm of auramine yellow dye. Increase in orange peel quantity and treatment period caused an increase in the activity of decolourization. Decolourization was the maximum at pH2. Orange peel of 0.6 g quantity performed better and the isotherm models could explain the biosorption process.


Adsorption Isotherms; Biosorbents; Colour removal; Textile dyes

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