Photocatalytic removal of tetracycline using TiO2/Ge composite optimized by response surface methodology (RSM)

Woo Jin Chung; Suk Young Chun; Sung Su Kim; Soon Woong Chang

Journal of Industrial and Engineering Chemistry, Vol.36, 320-325, April, 2016

DOI10.1016/j.jiec.2016.02.022 Export Citation

Photocatalytic removal of tetracycline using TiO2/Ge composite optimized by response surface methodology (RSM)

Woo Jin Chung, Suk Young Chun¹, Sung Su Kim^{2, †}, and Soon Woong Chang^{2, †}

Department of Environmental Energy Engineering, Graduate School of Kyonggi University, 94 San, Iui-dong, Yungtong-gu, Suwon-si 442-760, Gyeonggi-do, Republic of Korea
¹Korea Environment Corporation, 42 hwangyeong-ro, seo-gu, Incheon 404-170, Republic of Korea
²Department of Environmental Energy Engineering, Kyonggi University, 94 San, Iui-dong, Youngtong-gu, Suwon-si 442-760, Gyeonggi-do, Republic of Korea

E-mail:,

The removal of tetracycline (TC) using a TiO2/Ge composite under UV-A irradiation was examined. Response surface methodology based on a mixture analysis experiment was applied to determine the optimal molar ratio of the TiO2/Ge composite (69:31). The photocatalytic degradation test of TC over the optimal TiO2/Ge composite showed around 95% removal efficiency based on CODCr during the 240 min UV-A irradiation. In addition, a toxicity during the photocatalysis of TC was evaluated. The results obtained indicated that the system proposed in this study is very efficient for the mineralization of TC.

Keywords:TiO2/Ge;Response surface method;Photocatalytic;Tetracycline

[References]

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Sarmah AK, Meter MT, Boxall ABA, Chemosphere, 65, 725 (2006)
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Chun SY, Chung WJ, Kim SS, Kim JT, Chang SW, J. Ind. Eng. Chem., 27, 291 (2015)

[Referenced By]

[1] Lissemore L, Hao C, Yang P, Sibley PK, Mabury S, Solomon KR, Chemosphere, 64, 717 (2006)

[2] Hernando MD, Mezcua M, Fernandez-Alba AR, Barcelo D, Talanta, 69, 334 (2006)

[3] Bound JP, Voulvoulis N, Water Res., 40, 2885 (2006)

[4] Homem V, Santos L, J. Environ. Manage., 92, 2304 (2011)

[5] Ghauch A, Tuqan A, Assi HA, Environ. Pollut., 157, 1626 (2009)

[6] Putra EK, Pranowo R, Sunarso J, Indraswati N, Ismadji S, Water Res., 43, 2419 (2009)

[7] Bruhn ST, Beck IC, Chemosphere, 59, 457 (2005)

[8] Chen WR, Huang CH, Chemosphere, 79, 779 (2010)

[9] Wollenberger L, Halling-sorensen B, Kusk KO, Chemosphere, 40, 723 (2000)

[10] Martinez JL, Environ. Pollut., 157, 2893 (2009)

[11] Sarmah AK, Meter MT, Boxall ABA, Chemosphere, 65, 725 (2006)

[12] Topal M, Senel GU, Obek E, Topal EIA, Environ. Prog. Sustainable Energy, 34, 1311 (2015)

[13] Wang H, Li J, Zhou M, Guan Q, Lu Z, Huo P, Yan Y, J. Ind. Eng. Chem., 30, 64 (2015)

[14] Xiang DZ, Yu JW, Rui JS, Zhou DM, Chemosphere, 92, 925 (2013)

[15] Elmolla ES, Chaudhuri M, Desalination, 272(1-3), 218 (2011)

[16] Wang PH, Yap PS, Lim TT, Appl. Catal. A: Gen., 399(1-2), 252 (2011)

[17] Shi Y, Yang Z, Wang B, An H, Chen Z, Cui H, Appl. Clay Sci., 119, 611 (2016)

[18] Khaliq AR, Sonawane PJ, Sasi BK, Sahu BS, Pradeep T, Das SK, Mahapatra NR, Nanotechnology, 21, 255704 (2010)

[19] Stengl V, Matys Grygar T, Oplustil F, Nemec T, J. Hazard. Mater., 227, 62 (2012)

[20] Chun SY, Chung WJ, Kim SS, Kim JT, Chang SW, J. Ind. Eng. Chem., 27, 291 (2015)