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Received November 2, 2010
Accepted March 15, 2011
- 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 unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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A study on removal efficiency of phenol and humic acid using spherical activated carbon doped by TiO2
Environment & Resources Research Center, Korea Research Institute of Chemical Technology, P. O. Box 107 141 Gajeong-ro, Yuseong-gu, Daejeon 305-600, Korea
jksuh@krict.re.kr
Korean Journal of Chemical Engineering, September 2011, 28(9), 1882-1888(7), 10.1007/s11814-011-0067-8
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Abstract
This study aimed to find a way to remove organic pollutants, phenol and humic acid in aqueous solutions using TiO2 spherical activated carbon (Ti-SPAC). The Ti-SPAC was manufactured by resin ion-exchange and a heating process. This method was very effective not only in creating TiO2 on the surface of the supports evenly, but also in making activated carbon that has highly-developed micro pores. To estimate whether Ti-SPAC has the proper features as a photocatalyst and adsorbent, it was examined in detail by X-ray patterns, SEM image, EDXS, BET, EPMA. The_x000D_
results proved that Ti-SPAC is a very useful material for treating wastewater by photocatalysis and absorption.
Keywords
References
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Chong MN, Jin B, Chow CWK, Saint C, Water Res., 44, 2997 (2010)
Lee S, Lee K, J. Ind. Eng. Chem., 10(3), 492 (2004)
Chen YJ, Stathatos E, Dionysiou DD, J. Photochem. Photobio. A: Chem., 203, 192 (2009)
Balasubramanian G, Dionysiou DD, Suidan MT, Baudin I, Audin B, Laine JM, Appl. Catal. B: Environ., 47(2), 73 (2004)
Keshmiri M, Mohseni M, Troczynski T, Appl. Catal. B: Environ., 53(4), 209 (2004)
Chen YJ, Dionysiou DD, Appl. Catal. B: Environ., 69(1-2), 24 (2006)
Kobayakawa K, Sato C, Sato Y, Fujishima A, J. Photochem. Photobio. A: Chem., 118, 65 (1998)
You Y, Chung K, Kim J, Seo G, Korean J. Chem. Eng., 18, 924 (2004)
Ahmed S, Rasul MG, Martens WN, Brown R, Hashib MA, Desalination, 261(1-2), 3 (2010)
Hoffmann MR, Martin ST, Choi WY, Bahnemann DW, Chem. Rev., 95(1), 69 (1995)
Webb AP, Clyde O, Analytical Methods in Fine Particle Technology, Micrinerutuecs (1997)
Gregg SJ, Sing KSW, Adsorption, Surface Area & Porosity, Second ed., Academic Press, New York (1982)
Ehrburger P, Handbook of composite-strong fiber, Elsevier (1985)
Torimoto T, Okawa Y, Takeda N, Yoneyama H, J. Photochem. Photobio. A: Chem., 103, 153 (1997)
Jones M, Bryan N, Adv. Colloid Interface Sci., 78, 1 (1998)
Wang WD, Serp P, Kalck P, Faria JL, Appl. Catal. B: Environ., 56(4), 305 (2005)
Burdett J, Inorg. Chem., 24, 2244 (1985)
Kwon S, Fan M, Cooper AT, Yang H, Crit. Rev. Environ. Sci. Technol., 38, 197 (2008)
Gogate P, Panditt A, Adv. Environ. Res., 8, 501 (2004)
Benitez F, Acero J, Real F, Rubio J, Leal A, Water Res., 35, 1338 (2001)
Bhatkhande DS, Pangarkar VG, Beenackers AACM, J. Chem. Technol. Biotechnol., 77(1), 102 (2002)
Beltran-Heredia J, Torregrosa J, Dominguez J, Peres J, Water Res., 35, 1077 (2001)
O’Shea K, Cardona C, J. Photochem. Photobio. A: Chem., 91, 67 (1995)
Sobczynski A, Duczmal L, Zmudxinski W, J. Mol. Catal. A: Chem., 213, 225 (2003)
Al-Rasheed R, Cardin DJ, Appl. Catal. A: Gen., 246(1), 39 (2003)
Schulten H, Schnitzer M, Naturwissenschaften., 80, 29 (1993)
Eggins BR, Palmer LFL, Byrne JA, Water Res., 31, 1223 (1997)
Wiszniowski J, Robert D, Surmacz-Gorska J, Miksch K, Weber JV, J. Photochem. Photobio. A: Chem., 152, 267 (2002)
Uyguner CS, Bekbolet M, Desalination, 176(1-3), 167 (2005)
Litter MI, Appl. Catal. B: Environ., 23(2-3), 89 (1999)