Removal of Acid Blue 158 from Solution by Sunflower Seed Hull
Keywords:
Acid Blue 158 removal, Sunflower seed hull, Adsorption isotherm
Abstract
The removal of Acid Blue 158, acid dye for textile dyeing, from aqueous solution by sunflower seed hull was studied. The extent of adsorption capacity was studied as a function of heating temperature, sulphuric acid treatment, adsorbent size and pH of the solution. Sunflower seed hull was heated at 200, 300 and 400oC in oxygen deficient conditioned furnace. As the results, the sunflower seed hull heated at 200oC was the best absorbent for the dye removal with the maximum value of 30.84% at pH 4. Furthermore, removal ratio of Acid Blue 158 increased when the adsorbent was treated with 2M sulphuric acid. Particle sizes examined in this study were 250-355, 710-2000 and over 2000 micrometer. It was showed that the size of adsorbent affected on the removal capacity, i.e. the removal capacity increased along with the decrease of the size of absorbent. pH of the solution was studied between 1 and 6, and it was found that the optimum pH was pH 2. At the optimum condition, the modified adsorbent showed the removal ability of about 50%. The results obtained under the conditions of pH 4, 2M H2SO4 treatment of sunflower seed hull and the size of 500-710 micrometer at room temperature, the adsorption isotherm was fitted to Langmuir adsorption model, and the maximum adsorption capacity, qm, of 18.52 mg/g and Langmuir adsorption constant, Kl, of 5.25x10-3 L/mg were obtained.References
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2. Foo, K.Y. and Hameed, B. H. (2011). Preparation and characterization of activated carbon from sunflower seed oil residue via microwave assisted K2CO3 activation. Bioresour. Technol., 102, 9794.
3. Gomez, V. , Larrechi, M. S. and Callao, M. P. (2007). Kinetic and adsorption study of acid dye removal using activated carbon. Chemosphere, 69, 1151.
4. Kadirvelu, K., Karthika, C., Vennilamani, N. and Pattabi, S. (2005). Activated carbon from industrial solid waste as an adsorbent for the removal of Rhodamine-B from aqueous solution: Kinetic and equilibrium studies. Chemosphere 60, 1009.
5. Srisorrachatr, S., Waikrut, S. and Seangwong, S. (2007, December4-5). Removal of Dyestuff from Synthetic Wastewater by Adsorption using Agricultural Waste. 14th Regional Symposium Chemical Engineering Conference 2007 (RSCE2007) Proceeding, Yogyakarta, Indonesia.
6. Srisorrachatr, S. (2011). Study of Dyestuff removal from Solution by Sunflower Husk. Advanced Materials Research: Application of Chemical Engineering, 236-238, 2036.
7. Srisorrachatr, S., Pimpipat, N. and Senakham, P. (2012, January11-13). Removal of Acid Yellow148 from solution by sunflower seed husk. Pure and Applied Chemistry International Conference 2012 (PACCON2012) Proceeding, Chiangmai, Thailand.
8. Thinakaran,N., Baskaralingam, P., Pulikesi, M., Panneerselvamc, P. and Sivanesan, S. (2008). Removal of Acid Violet 17 from aqueous solutions by adsorption onto activated carbon prepared from sunflower seed hull. J. Hazard. Mater, 151, 316.
Published
2013-12-31
How to Cite
Srisorrachatr, S., & Sriromreun, P. (2013). Removal of Acid Blue 158 from Solution by Sunflower Seed Hull. ASEAN Journal of Chemical Engineering, 13(1), 25-32. Retrieved from https://journal.ugm.ac.id/v3/AJChE/article/view/8138
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