Activated carbon from cotton waste as an adsorbent in the purification process of azo-dyes

作者：Djordjevic N; Djordjevic D^*; Miljkovic M; Urosevic S

来源：Bulgarian Chemical Communications, 2014, 46(2): 277-282.

• activated carbon
• waste cotton fibers
• azo-dye
• adsorption

The treatment of azo dyes from the aqueous solution by adsorption process on activated carbon prepared from waste cotton fibers from weaving plants was investigated in this study. They are waste airborne fibers that arise as a by-product in the process of weaving. Waste cotton material is used for the production of activated carbon, which is then used for the reduction of textile azo dyes coloration in the solution. Qualitative and quantitative characterization of activated carbon shows that carbon is predominant in its chemical composition with the presence of several other elements. Based on the results, it can be said that the activated carbon produced from waste cotton fibers has potential as an adsorbent for the removal of azo dyes from aqueous solutions. Prolonged contact time means a greater amount of dye on the adsorbent, i.e. the dye concentration in the solution decreases with the duration of the adsorption. The percentage of removed dye decreases with the increase of initial dye concentration in the solution, but the actual amount of adsorbed dye increases with the increase of dye concentration.

• 出版日期2014