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APPLICATION OF ACTIVATED CARBON FROM COTTON WASTE FOR TEXTILE DYE REMOVAL

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Author(s): Novica Djordjevic | Dragan Djordjevic | Snezana Urosevic | Milena Miljkovic

Journal: Annals of the University of Oradea. Fascicle of Textiles, Leatherwork
ISSN 1843-813X

Volume: XIV;
Issue: 2;
Start page: 127;
Date: 2013;
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Keywords: activated carbon | waste | cotton fibers | adsorption | textile dye.

ABSTRACT
Modelling of adsorption of textile dyes from aqueous solution on activated carbon produced from waste cotton fibers from the weaving plants was investigated. These airborne waste fibers are formed as a by-product in the weaving process using cotton yarns on looms. The aim is to use the waste cotton material, make it into activated carbon and use it for coloration reduction, i.e. removal of textile dyes by adsorption on activated carbon. The dye used is a triazo class dye with four sulfo groups and one amino functional group. Based on the results, it can be said that the activated carbon derived from waste cotton fibers is an efficient adsorbent for the removal of textile dye from aqueous solutions, waste water after dyeing, for example. The dye was quickly adsorbed in the first ten minutes, and then the adsorption rate decreased gradually and reached equilibrium in about 60 minutes. At lower dye concentrations, a slightly higher degree of dye removal is achieved. The percentage of dyeing efficiency is reduced with increasing the initial dye concentration in the solution, which is reflected in the fact that the degree of dyeing decreased with increasing the initial dye concentration. However, the actual amount of dye adsorbed per unit mass of fibers increases with increasing dye concentration
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