Removal of Acid Yellow 17 Dye from Aqueous Solution using Turmeric Industrial Waste Activated Carbon

Several textile industrial effluents has various dye traces and causes so many health issues to human life and also creates various ecological problem to environment. The removal of such dye traces has made by using effective and economic adsorption technique is one of the alternative requirement compare to other expensive treatment methods. Removal of acid yellow-17 (AY17) dye, a monoazo acid dye, was prepared using Turmeric Industrial Waste Activated Carbon as an adsorbent in a batch system with respect to initial dye concentration (20,40 and 60 mg/L), temperatures(303,318 and 333K), particle size and contact time. The investigation clearly shows that the maximum percentage of dye removal is 98% at 333K, the dye concentration of 20mg/L, particle size of 180µ, pH value of 6 and the contact time 180 mins. The percentage of dye removal increases as the dye concentration, particle size decreases and time increases. A comparison of kinetic models applied to adsorption of acid yellow-17 dye on Turmeric Waste Activated Carbon was evaluated for pseudo first–order, pseudo second-order and Elovich models respectively. Results prove that the pseudo second order kinetic model was found to correlate the experimental data well. Langmuir and Freundlich adsorption isotherm studies were also measured and to propose plausible mechanism of adsorption involved in this process. The adsorption study indicated that the adsorbent like turmeric waste are really effective as well as economical for the removal of acidic dyes such as acid yellow-17 from textile industrial wastewater.