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Received January 17, 2002
Accepted May 22, 2002
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Adsorption Equilibrium Characteristics of 2,4-Dichlorophenoxyacetic Acid and 2,4-Dinitrophenol on Granular Activated Carbons
Department of Environmental Engineering, Chonnam National University, Gwangju 500-757, Korea 1Faculty of Applied Chemistry, Chonnam National University, Gwangju 500-757, Korea
hmoon@chonnam.ac.kr
Korean Journal of Chemical Engineering, November 2002, 19(6), 967-977(11), 10.1007/BF02707219
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Abstract
Adsorption characteristics of 2,4-Dichlorophenoxyacetic acid (2,4-D) and 2,4-Dinitrophenol (2,4-DNP) onto granular activated carbon (GAC) were studied to obtain basic information on their removal from aqueous solution. Single component adsorption equilibria of 2,4-D and 2,4-DNP dissolved in water have been measured for three kinds of GACs (F400, SLS103, and WWL). In case of 2,4-D, the magnitude of adsorption capacity was in the order of F400>SLS103>WWL, and that for 2,4-DNP was SLS103>F400>WWL. The influence of temperature and initial pH of aqueous solution on adsorption has been discussed in detail by using the Sips equation.
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Khan AR, Ataullah R, Alhaddad A, J. Colloid Interface Sci., 194(1), 154 (1997)
Kim SH, Bidkar A, Ngo HH, Vigneswaran S, Moon H, Korean J. Chem. Eng., 18(2), 163 (2001)
Ko JY, "Adsorption and Desorption of Chlorophenols Onto Nonionic Polymeric Sorbents," M.S. Thesis, Department of Chemical Technology, Chonnam National University (2001)
Lee DH, Moon H, Korean J. Chem. Eng., 18(2), 247 (2001)
Mangat SS, Elefsiniotis P, Water Res., 33, 861 (1999)
Markovska L, Meshko V, Noveski V, Korean J. Chem. Eng., 18(2), 190 (2001)
Moon JK, Keum DK, Lee WK, Korean J. Chem. Eng., 6(3), 172 (1989)
Na BK, Koo KK, Eum HM, Lee H, Song HK, Korean J. Chem. Eng., 18(2), 220 (2001)
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Oh KH, Kim YS, Korea J. Biotechnol. Bioeng., 9, 469 (1994)
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Wong PK, Chemosphere, 41, 177 (2000)
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