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Column Studies for Removal of Acid Yellow Dye 17 from Synthetic Water Using Activated Saw Dust
Asian Journal of Chemistry,
Vol. 29 No. 1 (2017): Vol 29 Issue 1
Abstract
Continuous fixed-bed studies were undertaken to evaluate the efficiency of activated saw dust powder as an adsorbent for the removal of Acid yellow 17 from aqueous solution under the effect of various process parameters like bed depth (10-20 cm), flow rate (6-10 mL/min) and initial concentrations (10-30 mg/L) of Acid yellow 17. The results showed that the total adsorbed quantities and equilibrium uptake decreased with increasing flow rate and increased with increasing inlet Acid yellow 17 concentration. The results showed that the column performed well at low flow rate. Also, breakthrough time and exhaustion time increased with increasing bed depth. Thomas model was applied to the adsorption of Acid yellow 17 at different bed depths, flow rates and inlet concentrations to predict the breakthrough curves and to determine the characteristic parameters of the column that are useful for process design. The model prediction was in good agreement with the experimental results at all the process parameters studied indicating that they were most suitable for activated saw dust column design.
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- H. Zollinger, Color Chemistry: Synthesis, Properties and Applications of Organic Dyes and Pigments, VCH Publishers, New York, edn 2 (1991).
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References
H. Zollinger, Color Chemistry: Synthesis, Properties and Applications of Organic Dyes and Pigments, VCH Publishers, New York, edn 2 (1991).
F.P. van der Zee and S. Villaverde, Water Res., 39, 1425 (2005).
M.N. Rashed, Organic Pollutants - Monitoring, Risk and Treatment, INTECH (2013).
A.E. Nemr, O. Abdelwahab, A. El-Sikaily and A. Khaled, J. Hazard. Mater., 161, 102 (2009).
K.H. Chu, J. Hazard. Mater., 177, 1006 (2010).
F. Han, V.S.R. Kambala, M. Srinivasan, D. Rajarathnam and R. Naidu, Appl. Catal. A, 359, 25 (2009).
K. Vijayaraghavan and Y.S. Yun, Biotechnol. Adv., 26, 266 (2008).
A.A. Ahmad and B.H. Hameed, J. Hazard. Mater., 175, 298 (2010).
P.K. Malik, Dyes Pigments, 56, 239 (2003).
Z. Zulfadhly, M.D. Mashitah and S. Bhatia, Environ. Pollut., 112, 463 (2001).
M.T. Uddin, M.A. Islam, S. Mahmud and M. Rukanuzzaman, J. Hazard. Mater., 164, 53 (2009).