Photocatalytic removal of cyanide by cobalt metal doped on TiO2.SiO2 nanoparticles by photo-assisted deposition and impregnation methods

Elham S. Baeissa

Journal of Industrial and Engineering Chemistry, Vol.20, No.5, 3761-3766, September, 2014

DOI10.1016/j.jiec.2013.12.076 Export Citation

Photocatalytic removal of cyanide by cobalt metal doped on TiO2.SiO2 nanoparticles by photo-assisted deposition and impregnation methods

Elham S. Baeissa^†

Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia

E-mail:

Cobalt metal was doped on TiO2-SiO2 by photo-assisted deposition (PAD) and impregnation (Img) methods. The prepared catalysts were characterized by different techniques such as XRD, XAFS, TEM, and nitrogen adsorption analysis. Photocatalytic reactivity using Co/TiO2-SiO2 catalysts under visible-light conditions on the oxidation of cyanide with O2 reaction was evaluated. The results have shown notable photocatalytic activity of PAD-Co/TiO2-SiO2 which was 1.7 and 10 times higher than that of Img-Co/TiO2-SiO2 and TiO2-SiO2, respectively.

Keywords:Photoassisted deposition;TiO2-SiO2;Cyanide removal;Visible photocatalyst

[References]

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[Referenced By]

[1] Lee SY, Park SJ, J. Ind. Eng. Chem., 19(6), 1761 (2013)

[2] Rashad MM, Shalan AE, Lira-Cantu M, Abdel-Mottaleb MSA, J. Ind. Eng. Chem., 19(6), 2052 (2013)

[3] Nezamzadeh-Ejhieh A, Moazzeni N, J. Ind. Eng. Chem., 19(5), 1433 (2013)

[4] Fathinia M, Khataee AR, J. Ind. Eng. Chem., 19(5), 1525 (2013)

[5] Mohamed RM, Baeissa ES, Appl. Catal. A: Gen., 464-465, 218 (2013)

[6] Mohamed RM, Baeissa ES, J. Alloy. Compd., 558, 68 (2013)

[7] Mohamed RM, Aazam ES, Chin. J. Catal., 34, 1267 (2013)

[8] Mohamed RM, Desalin. Water Treat., 50, 147 (2012)

[9] Mohamed RM, McKinney DL, Sigmund WM, Mater. Sci. Eng. R-Rep., 73, 1 (2012)

[10] Mohamed RM, Aazam ES, J. Alloy. Compd., 509, 10132 (2011)

[11] Mohamed RM, Aazam ES, Chin. J. Catal., 33, 247 (2012)

[12] Mohamed RM, Aazam ES, Int. J. Photoenergy, 2011 (2011)

[13] Mohamed RM, Mkhalid IA, J. Alloy. Compd., 501, 301 (2010)

[14] Mohamed RM, Mkhalid IA, J. Alloy. Compd., 501, 143 (2010)

[15] Mohamed RM, Mohamed MM, Appl. Catal. A: Gen., 340(1), 16 (2008)

[16] Mohamed RM, Ismail AA, Othman I, Ibrahim IA, J. Mol. Catal. A-Chem., 238(1-2), 151 (2005)

[17] Ismail AA, Ibrahim IA, Ahmed MS, Mohamed RM, El-Shall H, J. Photochem. Photobiol. A-Chem., 163, 445 (2004)

[18] Mori K, Hara T, Mizugaki T, Ebitani K, Kaneda K, J. Am. Chem. Soc., 126(34), 10657 (2004)

[19] Fukuoka A, Araki H, Kimura J, Sakamoto Y, Higuachi T, Sugimoto N, Inagaki S, Ichikawa M, J. Mater. Chem., 14, 752 (2004)

[20] Boccuzzi F, Chiorino A, Manzoli M, Lu P, Akita T, Ichikawa S, Haruta M, J. Catal., 202, 256 (2002)

[21] Anpo M, Thomas JM, Chem. Commun., 3273 (2006)

[22] Yamashita H, Anpo M, Curr. Opin. Colloid Interface Sci., 7, 471 (2004)

[23] Anpo M, Che M, Adv. Catal., 44, 119 (1999)

[24] Yamashita H, Ikeue K, Takewaki T, Anpo M, Top. Catal., 18, 95 (2002)

[25] Ikeue K, Yamashita H, Takewaki T, Anpo M, J. Phys. Chem. B, 201, 8350 (2001)

[26] Anpo M, Yamashita H, Ichihashi Y, Fujii Y, Honda M, J. Phys. Chem. B, 101(14), 2632 (1997)

[27] Yamashita H, Ichihashi Y, Anpo M, Hashimoto M, Louis C, Che M, J. Phys. Chem., 100(40), 16041 (1996)

[28] Yamashita H, Yoshizawa K, Ariyuki M, Higashimoto S, Che M, Anpo M, Chem. Commun., 435 (2001)

[29] Murata C, Yoshida H, Hattori T, Chem. Commun., 2412 (2001)

[30] Amano F, Yamaguchi T, Tanaka T, J. Phys. Chem. B, 109, 281 (2006)

[31] Ichikuni N, Murayama H, Bando KK, Shimazu S, Uematsu T, Anal. Sci., 17, 1193 (2001)

[32] Kitova S, Eneva J, Panov A, Haefke H, J. Imag. Sci. Technol., 38, 484 (1994)