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Received March 2, 2010
Accepted May 28, 2010
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An efficient and cost-effective solvent extraction for recovery of phenol and its hydroxy derivatives from aqueous medium
Green Chemistry Division, Korea Research Institute of Chemical Technology (KRICT), Daejeon 305-600, Korea
chulwee@krict.re.kr
Korean Journal of Chemical Engineering, January 2011, 28(1), 71-78(8), 10.1007/s11814-010-0336-y
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Abstract
A cost-effective solvent extraction process for recovery of phenol and its hydroxy derivatives from aqueous medium was developed. Four different solvents--Tributyl phosphate (TBP), Triphenyl phosphate (TPP), Methyl isobutyl ketone (MIBK) and Oleic acid (OA)--selected based on their miscibility with water. The extraction efficiency (EE) of the selected solvents was studied. A reversed-phase HPLC system connected to an RP, C18 column was used to analyze the aqueous medium to evaluate the performance of the selected solvents. TBP exhibited the best extraction performance, while TPP and MIBK proved to be good when large amount of solvent was used. However, OA was found to be inefficient to extract the solutes under investigation. Interestingly, a different salvation property was observed and elucidated using the solvation theory.
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References
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Wang J, Park JN, Jeong HC, Choi KS, Wei XY, Hong SI, Lee CW, Energy Fuels, 18(2), 470 (2004)
Park JN, Wang J, Choi KY, Dong WY, Hong SI, Lee CW, J. Mol. Catal. A-Chem., 247(1-2), 73 (2006)
Park JN, Shin CH, Baeg JO, Lee CW, Korean Chem. Eng. Res., 44(4), 387 (2006)
Speight JG, Lange’s Handbook of Chemistry, 6th Ed. McGraw-Hill.
Xu JQ, Duan WH, Zhou XZ, Zhou HZ, J. Hazard. Mater., 131(1-3), 98 (2006)
Jiang H, Fang Y, Fu Y, Guo QX, J. Hazard. Mater., 101(2), 179 (2003)
Jiang H, Tang Y, Guo QX, Sep. Sci. Technol., 38(11), 2579 (2003)
Murtha TP, US Patent, 4,115,207 (1978)
Rydberg J, Musikas C and Choppin GR, Principles and practices of solvent extraction, Marcel Dekker Inc. (1992)
Landers JJ, Svirberly WJ, J. Am. Chem. Soc., 67, 322 (1945)
Sousa FF, Moreira SGC, Silva SJS, Nero JD, Alcantara P, J. Bionanoscience., 3, 1 (2010)
Tantishaiyakul V, Worakul N, Wongpoowarak W, Int. J. Parm., 325, 8 (2006)
Lo TC, Bard MHI, Hanson C, Handbook of solvent extraction, John Wiley & Sons, Inc. (1983)
