Effects of Silver Treatment and the Physical and Chemical Properties of Spherical Activated Carbon

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

Korean Journal of Materials Research, Vol.19, No.11, 569-575, November, 2009

DOI10.3740/MRSK.2009.19.11.569 Export Citation

Effects of Silver Treatment and the Physical and Chemical Properties of Spherical Activated Carbon

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

¹Department of Advanced Materials & Science Engineering, Hanseo University, Seosan-si, Chungnam-do, Korea, 356-706
²Hanil Green Tech Co, Ltd, Buyeo-gun, Chungnam-do, Korea, 323-824
³Anhui Key Laboratory of Advanced Building Materials, Anhui University of Architecture, Anhui Hefei, P. R. China, 230022

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In this study, the effects of silver treatment and activation on the physical and chemical properties of spherical activated carbon (SAC) were studied. The textural properties of SAC were characterized by BET surface area, XRD, SEM, iodine adsorption, strength intensity, pressure drop and antibacterial effects. BET surface areas of SACs decreased with an increase of the amount of PR before and after activation, and the BET surface areas of SACs were found to be about 2-3 times the size of those before activation. The XRD patterns showed their existing state as stable Ag crystals and carbon structure. The Ag particles are seaweedlike and uniform, being approximately 5-10 μm in size deposited on the surface of activated carbon. All of the samples had much more iodine adsorption capability after activation than before activation. The strength values of SACs increased with an increase of the amount of PR, and there was a smaller drop in the strength values of SACs with silver treatment than with non-silver treatment after activation. The Ag-SAC composites showed strong antibacterial activity against Escherichia coli (E. Coli).

Keywords:spherical activated carbon;silver treatment;iodine adsorption;strength intensity;antibacterial effects

[References]

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Oh WC, Bull. Korean Chem. Soc., 25, 639 (2004)
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Zhang XW, Zhou MH, Lei LC, Mater. Chem. Phys., 91(1), 73 (2005)
Lu W, Chung DL, Carbon, 35, 427 (1997)
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[Referenced By]

[1] Eretskii EL, Shulepov YV, Eretskaya EV, Lobunets TF, Dopov. Nats. Akad. Nauk Ukr., 3, 142 (1999)

[2] Yang L, Liu T, Sci. Technol. Food Indus., 2, 4 (1999)

[3] Sakata Y, Muto A, Shiomi M, Marushige C, Ibaraki S, Kojima K, Jpn. Kokai Tokkyo Koho JP 10297912 A2 (1998). (1998)

[4] Nomoto S, Handa H, Shinkura J, Jpn. Kokai Tokkyo Koho JP 11307406 A2 (1999). (1999)

[5] Yang JB, Ling LC, Liu L, Kang FY, Huang ZH, Wu H, Carbon, 40, 911 (2002)

[6] Salvador F, Sanchez MJ, Martin A, Sanchez-Jimenez C, Eurocarbon 2000, 1st World Conference on Carbon, Berlin: German Carbon Group, 2000, p. 669, abstract and programme, post-presentations. (2000)

[7] Hsieh CT, Teng H, Carbon, 38, 863 (2000)

[8] Martin-Gullon I, Font R, Water Res., 35, 516 (2001)

[9] Li Q, Snoeyink VL, Marinas BJ, Campos C, Water Res., 37, 773 (2003)

[10] Nakagawa K, Namba A, Mukai SR, Tamon H, Ariyadejwanich P, Tanthapanichakoon W, Water Res., 38, 1791 (2004)

[11] Yue Z, Economy J, Rajagopalan K, Bordson G, Piwoni M, Ding L, Snoeyink VL, Marinas BJ, J. Mater. Chem., 16, 3375 (2006)

[12] Han S, Sohn K, Hyeon T, Chem. Mater., 12, 3337 (2000)

[13] Tamai H, Kakii T, Hirota Y, Kumamoto T, Yasuda H, Chem. Mater., 8, 454 (1996)

[14] Wilcox DL, Berg M, Barnet T, Kellerman D, Cochran JK, Mater. Res. Soc. Symp. Proc., 372, 3 (1995)

[15] Amano I, Kano H, Takahira H, Yamamoto Y, Itok K, Iwatsuki S, Artificial kidney, artificial liver and artificial cell, p. 89, Plenum Press, New York, (1978). (1978)

[16] Tamai H, Kojima S, Ikeuchi M, Mondori J, Kanata T, Yasuda H, Kidorui, 30, 244 (1997)

[17] American Society for Testing and Materials, “Standard test method for determination of iodine number of activated carbon,” Philadelphia, PA: ASTM Committee on Standards, (1986). (1986)

[18] Japanese Industrial Standard specifies the testing methods for carbon blocks, JIS R 7212:1995. Japan Carbon Association, (1995). (1995)

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

[20] Berman E, Toxic metals and their analysis, p.116, Heyden and Son, London, (1980). (1980)

[21] Oh WC, Jang WC, Carbon, 41, 1737 (2003)

[22] Oh WC, Bull. Korean Chem. Soc., 25, 639 (2004)

[23] Oh WC, Jung AR, Ko WB, Mater. Sci. Eng. C., 4, 1338 (2009)

[24] Zhang XW, Zhou MH, Lei LC, Mater. Chem. Phys., 91(1), 73 (2005)

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

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

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