TiO2 Combining Spherical Activated Carbon Photocatalysts and Their Physicochemical and Photocatalytic Activity

Won-Chun Oh; Jong-Gyu Kim; Hyuk Kim; Ming-Liang Chen; Feng-Jun Zhang; Kan Zhang; Jong-Geun Choi; Ze-Da Meng

Korean Journal of Materials Research, Vol.20, No.10, 535-542, October, 2010

DOI10.3740/MRSK.2010.20.10.535 Export Citation

TiO2 Combining Spherical Activated Carbon Photocatalysts and Their Physicochemical and Photocatalytic Activity

Won-Chun Oh^{1, †}, Jong-Gyu Kim², Hyuk Kim², Ming-Liang Chen¹, Feng-Jun Zhang^{1, 3}, Kan Zhang¹, Jong-Geun Choi¹, and Ze-Da Meng¹

¹Department of Advanced Materials & Science Engineering, Hanseo University, Seosan-si, Chungnam-do 356-706, Korea
²Hanil Green Tech Co, Ltd, Buyeo-gun, Chungnam-do 323-82, Korea
³Anhui Key Laboratory of Advanced Building Materials, Anhui University of Architecture, Anhui Hefei, P. R. 230022, China

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In this study, we used coal-based activated carbons and charcoal as startingmaterials, phenolic resin (PR) as a binder, and TOS as a titanium source to prepare TiO2 combining spherical shaped activated carbon photocatalysts. The textural properties of the activated carbon photocatalysts (SACP) were characterized by specific surface area (BET), energy dispersive X-ray spectroscopy (XRD), scanning electron microscopy (SEM), iodine adsorption, strength intensity, and pressure drop. The photocatalytic activities of the SACPs were characterized by degradation of the organic dyes Methylene Blue (MB), Methylene Orange (MO), and Rhodamine B (Rh. B) and a chemical oxygen demand (COD) experiment. The surface properties are shown by SEM. The XRD patterns of the composites showed that the SACP composite contained a typical single, clear anatase phase. The EDX spectro for the elemental indentification showed the presence of C and O with Ti peaks. According to the results, the spherical activated carbon photocatalysts sample of AOP prepared with activated carbon formed the best spherical shape, a high BET surface area, iodine adsorption capability and strength value, and the lowest pressure drop, and the photocatalytic activity was better than samples prepared with charcoal. We compared the degradation effects among three kinds of dyes. MB solution degraded with the SACP is better than any other dye solutions.

Keywords:spherical activated carbon photocatalysts;TiO2;organic dye;iodine adsorption;COD

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[2] Pera-Titus M, Garcia-Molina V, Banos MA, Gimenez J, Esplugas S, Appl. Catal. B: Environ., 47(4), 219 (2004)

[3] Konstantinou IK, Albanis TA, Appl. Catal. B: Environ., 42(4), 319 (2003)

[4] Dumitriu D, Bally AR, Ballif C, Hones P, Schmid PE, Sanjines R, Levy F, Parvulescu VI, Appl. Catal. B: Environ., 25(2-3), 83 (2000)

[5] Yuranova T, Mosteo R, Bandara J, Laub D, Kiwi J, J. Mol. Catal. A-Chem., 244(1-2), 160 (2006)

[6] Zhang X, Zhou M, Lei L, Carbon, 44, 325 (2006)

[7] Chuan XY, Hirano M, Inagaki M, Appl. Catal. B: Environ., 51(4), 255 (2004)

[8] Sanchez B, Coronado JM, Caudal R, Portela R, Tejedor I, Anderson MA, Tompkins D, Lee T, Appl. Catal. B: Environ., 66(3-4), 295 (2006)

[9] Ying WC, in Proceedings of the 44th Purdue Industrial Waste Conference (Chelsea MI, 1989) p. 313-324. (1989)

[10] Ying WC, Dietz EA, Woehr GC, Environ. Progr., 9, 1 (1990)

[11] Yang JB, Ling LC, Liu L, Kang FY, Huang ZH, Wu H, Carbon

[12] Liu Z, Ling L, Qiao W, Liu L, Carbon, 37, 663 (1999)

[13] Gryglewicz G, Grabas K, Lorenc-Grabowska E, Carbon, 40, 2403 (2002)

[14] Nakagawa H, Watanabe K, Harada Y, Miura K, Carbon, 37, 1455 (1999)

[15] Gun’ko VM, Leboda R, Skubiszewska-Zieba J, Charmas B, Oleszczuk P, Carbon, 43, 1143 (2005)

[16] Zippi EM, Kabalka GW, Carbon, 34, 1539 (1996)

[17] Ko ˇ ci ˇ rik M, Brych J, Hradil J, Carbon, 39, 1919 (2001)

[18] Zhang K, Meng ZD, Oh WC, Korean J. Mater. Res., 20(3), 117 (2010)

[19] Song SH, Kwon OS, Jeong HK, Kang YG, Korean J. Mater. Res., 20(2), 104 (2010)

[20] Jin JW, Park YD, Nam DG, Lee SB, Kim SI, Kang N, Cho KM, Korean J. Mater. Res., 19(6), 293 (2009)

[21] Jiang Y, Park YK, Lee OY, Korean J. Mater. Res., 17(12), 634 (2007)

[22] Tsumura T, Kojitani N, Toyoda H, Inagaki M, Appl. Surf. Sci., 15, 429 (2002)

[23] Roh NS, Kim KH, Kim DC, HWAHAK KONGHAK, 33(3), 282 (1995)

[24] Joo SH, Choi SJ, Oh I, Wak J, Liu Z, Terasaki O, Ryoo R, Nature, 412, 169 (2001)

[25] Lu W, Chung DDL, Carbon, 35, 427 (1997)

[26] Oh WC, Chen ML, Zhang FJ, Jang HT, J. Kor. Ceram. Soc., 45, 324 (2008)

[27] Kim SH, Korean J. Mater. Res., 16(1), 25 (2006)

[28] Oh WC, Jung AR, Ko WB, Mater. Sci. Eng. C, 29, 1338 (2009)

[29] Kim JW, Sohn MH, Kim DS, Sohn SM, Kwon YS, J. Hazard. Mater., 85(3), 301 (2001)

[30] Kim SC, Hong IK, Park KA, J. Ind. Eng. Chem., 3(3), 218 (1997)

[31] Bedja I, Hotchandani S, Kamat PV, J. Phys. Chem., 98(15), 4133 (1994)

[32] Frackowiak E, Phys. Chem. Chem. Phys., 9, 1774 (2007)

[33] de la Casa-Lillo MA, Lamari-Darkrim F, Cazorla-Amoros D, Linares-Solano A, J. Phys. Chem. B, 106(42), 10930 (2002)

[34] Devi R, Dahiya RP, Water Air Soil Pollut., 174, 33 (2006)