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Received February 1, 2009
Accepted March 30, 2009
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Regeneration of H3PW12O40 catalyst in direct preparation of dichloropropanol (DCP) from glycerol and hydrochloric acid gas
Sun Ho Song
Sang Hee Lee
Dong Ryul Park
Heesoo Kim
Sung Yul Woo1
Won Seob Song1
Myong Suk Kwon1
In Kyu Song†
School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Shinlim-dong, Kwanak-gu, Seoul 151-744, Korea 1Samsung Fine Chemicals Corporation, Nam-gu, Ulsan 680-090, Korea
inksong@snu.ac.kr
Korean Journal of Chemical Engineering, November 2009, 26(6), 1539-1544(6), 10.1007/s11814-009-0245-0
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Abstract
Methods for regenerating H3PW12O40 catalyst in the solvent-free direct preparation of dichloropropanol (DCP) from glycerol and hydrochloric acid gas were investigated. Regenerated H3PW12O40 catalyst was then applied to the solvent-free direct preparation of DCP. In the solvent-free direct preparation of DCP, selectivity for DCP over H3PW12O40 catalyst regenerated by method I (recovery of solid H3PW12O40 catalyst by evaporating homogeneous liquidphase_x000D_
product solution) significantly decreased with increasing recycling run, while that over H3PW12O40 catalyst regenerated by method II (regeneration of H3PW12O40 catalyst by oxidative calcination of solid product recovered by method I) was slightly decreased with no significant catalyst deactivation with respect to recycling run. On the other hand, selectivity for DCP over H3PW12O40 catalyst regenerated by method III (regeneration of H3PW12O40 catalyst by recrystallization and subsequent oxidative calcination of solid product recovered by method II) was the same as that over fresh catalyst without any catalyst deactivation with respect to recycling run. Thus, method III was found to be the most efficient method for the regeneration of H3PW12O40 catalyst.
Keywords
References
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Goncalves VLC, Pinto BP, Silva JC, Mota CJA, Catal. Today, 133, 673 (2008)
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Schreck DJ, Kruper Jr. WJ, Varjian RD, Jones ME, Campbell RM, Kearns K, Hook BD, Briggs JR, Hippler JG
SONG IK, MOON SH, LEE WY, Korean J. Chem. Eng., 8(1), 33 (1991)
Misono M, Korean J. Chem. Eng., 14(6), 427 (1997)
Lee WY, Song IK, Lee JK, Park GI, Lim SS, Korean J. Chem. Eng., 14(6), 432 (1997)
Choi JS, Song IK, Lee WY, Korean J. Chem. Eng., 17(3), 280 (2000)
Wang R, Korean J. Chem. Eng., 20(4), 659 (2003)
Youn MH, Park DR, Jung JC, Kim H, Barteau MA, Song IK, Korean J. Chem. Eng., 24(1), 51 (2007)
La KW, Kim H, Jung JC, Lee J, Park DR, Lee SH, Song IK, Korean J. Chem. Eng., 25(4), 710 (2008)
Kim H, Jung JC, Park DR, Lee J, Cho KM, Park S, Lee SH, Song IK, Korean J. Chem. Eng., 25(2), 231 (2008)
Song IK, Barteau MA, Korean J. Chem. Eng., 19(4), 567 (2002)
Song IK, Barteau MA, J. Mol. Catal. A, 182, 175 (2002)
Barteau MA, Lyons JE, Song IK, J. Catal., 216(1-2), 236 (2003)
Song IK, Kim HS, Chun MS, Korean J. Chem. Eng., 20(5), 844 (2003)
Song IK, Barteau MA, J. Mol. Catal. A-Chem., 212(1-2), 229 (2004)
Kozhevnikov IV, Catal. Rev.-Sci. Eng., 37(2), 311 (1995)
Hill CL, Prosser-McCartha CM, Coord. Chem. Rev., 143, 407 (1995)
Okuhara T, Mizuno N, Misono M, Adv. Catal., 41, 113 (1996)
