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Received August 3, 2006
Accepted October 11, 2006
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Removal of copper from industrial wastewaters by activated carbon prepared from periwinkle shells
Department of Chemical Engineering, University of Benin, Benin-City, Nigeria
Korean Journal of Chemical Engineering, March 2007, 24(2), 246-252(7), 10.1007/s11814-007-5049-5
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Abstract
The present study aims at the removal of copper from industrial wastewater by using a low - cost adsorbent. Activated periwinkle shell carbon (PSC) was prepared and characterized for various physiochemical properties. To determine copper removal capacity, the performance of PSC was compared with commercial activated carbon (CAC) and a mixture of activated periwinkle shell carbon and commercial activated carbon (PSC : CAC) in a ratio 1 : 1. The effect of adsorbent dose, contact time, pH, agitation speed and adsorbent particle size was studied for adsorption of copper from wastewater under batch conditions. The result obtained showed that PSC competes favourably with CAC. The maximum adsorption capacity was observed for PSC : CAC with 88.12% removal at an optimal pH of 8. The PSC and CAC had 84.19% removal and 85.15% removal, respectively. The equilibrium data obtained fitted both the Langmuir and the Freundlich models. Good correlation coefficients were obtained for the pseudo-second-order kinetic model.
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Gaikward RW, EJEAFChe, 3, 4 (2004)
Mohan D, Ind. Eng. Chem. Res., 41 (2002)
Gupta VK, Ali I, Sep. Purif. Technol., 18, 131 (2000)
Homburger F, Hayes JA, Pelikan EWA, Guide to general toxicology, KARGER, New York (1983)
Kang CD, Korean J. Chem. Eng., 20, 3 (2003)
Blanco AB, Sanz B, Llama MJ, Serra JL, J. Biotechnol., 69 (1999)
Blanchard G, Maunaye M, Martin G, Water Res., 18, 1501 (1984)
Gloaguen V, Morvan H, J. Environ. Sci. Health, A32, 901 (1997)
Jeon C, Park JY, Yoo YJ, Korean J. Chem. Eng., 18(6), 955 (2001)
Kim SJ, Jeung SY, Moon H, Korean J. Chem. Eng., 15(6), 637 (1998)
Lee SH, Jung CH, Chung H, Lee MY, Yang JW, Process Biochem., 33, 205 (1998)
Moffat AS, Science, 269(5222), 302 (1995)
Lujan JR, Damall DW, Stark PC, Rayson GD, Gardea-Torresday, Solvent Extr. Ion Exch., 12, 803 (1994)
Gardea-Torresdey JL, Tiemann KJ, Gonzalez JH, Henning JA, Townsend MS, J. Hazard. Mater., 57, 29 (1996)
American Public Health Association, Standard methods for examination of wastewater, 17th Ed., New York (1985)
Goltermann HL, Method for physical and chemical analysis of fresh water, Well scientific publications, 2nd Ed., Blackwell Scientific Publications (1978)
Ho YS, John Wase DA, Forster CF, Water Res., 29, 5 (1995)
Low KS, Lee CK, Lee KP, Bioresour. Technol., 44, 109 (1993)
Baes GB, Mesmer RE, Hydrolysis of Ca ions, John Wiley and Sons, New York (1976)
Gau JX, Chen YA, Huang SD, Proc. Nat. Sci. Rep. China, 9(3), 228 (1985)
Knocke WR, Hemphill LM, Water Res., 15, 245 (1981)
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Reddi LN, Inyang HI, Geo-environmental engineering principles and applications, Marcel Dekker Inc., New York (2000)
Nitzsche O, Vereecken H, Mine Water and the Environment, 21, 15 (2002)
Gaikward RW, EJEAFChe, 3, 4 (2004)
Mohan D, Ind. Eng. Chem. Res., 41 (2002)
