Recovery and reuse of TiO2 photocatalyst from aqueous suspension using plant based coagulant - A green approach

Arunkumar Patchaiyappan; Sarangapany Saran; Suja Purushothaman Devipriya

Korean Journal of Chemical Engineering, Vol.33, No.7, 2107-2113, July, 2016

DOI10.1007/s11814-016-0059-9 Export Citation

Recovery and reuse of TiO2 photocatalyst from aqueous suspension using plant based coagulant - A green approach

Arunkumar Patchaiyappan, Sarangapany Saran, and Suja Purushothaman Devipriya^†

Environmental Photocatalysis Research Laboratory, Department of Ecology and Environmental Sciences, School of Life Sciences, Pondicherry University, Pondicherry - 605014, India

E-mail:

Separation of TiO2 from aqueous suspension is a major constraint in heterogeneous photocatalytic water treatment. As an alternative for existing less effective immobilization techniques, the application of plant based coagulant for the recovery and reuse of TiO2 was investigated for the first time. Aqueous extract derived from seeds of Strychnos potatorum was found to be an effective coagulant for the sedimentation of TiO2. Further, the potential for recovery and reuse of the sedimented photocatalysts TiO2, was investigated by photocatalytic degradation of rhodamine B and terephthalic acid tests. The photocatalytic degradation experiments with recovered catalyst obey pseudo first-order kinetics with enhanced photocatalytic activity than that of the pure TiO2. The investigation of recovered catalysts with XRD, BET, SEM etc., suggests that there is no change in surface and morphological properties when compared with pure TiO2 and the recovered catalysts are highly suitable for recycle and reuse.

Keywords:Titanium Dioxide;Flocculation and Coagulation;Plant Coagulants;Reuse of Photocatalyst;Strychnos potatorum

[References]

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Alrousan DM, Dunlop PS, McMurray TA, Byrne JA, Water Res., 43, 47 (2009)
Linsebigler AL, Lu GQ, Yates JT, Chem. Rev., 95(3), 735 (1995)
Kim J, Choi W, Energy Environ. Sci., 3, 1042 (2010)
Devipriya S, Yesodharan S, Sol. Energy Mater. Sol. Cells, 86(3), 309 (2005)
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Guillard C, Puzenat E, Lachheb H, Houas A, Herrmann JM, Int. J. Photoenergy, 7, 1 (2005)
Cheng WP, Chemosphere, 47, 963 (2002)
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[Referenced By]

[1] Nakata K, Fujishima A, J. Photochem. Photobiol. C, 13, 169 (2012)

[2] Pagnout C, Jomini S, Dadhwal M, Caillet C, Thomas F, Bauda P, Colloids Surf. B: Biointerfaces, 12, 315 (2012)

[3] Rincon AG, Pulgarin C, Adler N, Peringer P, J. Photochem. Photobiol. A-Chem., 139, 233 (2001)

[4] Khataee AR, Environ. Technol., 30, 1155 (2009)

[5] Robertson PKJ, Robertson JMC, Bahnemann DW, J. Hazard. Mater., 211, 161 (2012)

[6] Kikuchi Y, Sunada K, Iyoda T, Hashimoto K, Fujishima A, J. Photochem. Photobiol. A-Chem., 106, 51 (1997)

[7] Alrousan DM, Dunlop PS, McMurray TA, Byrne JA, Water Res., 43, 47 (2009)

[8] Linsebigler AL, Lu GQ, Yates JT, Chem. Rev., 95(3), 735 (1995)

[9] Kim J, Choi W, Energy Environ. Sci., 3, 1042 (2010)

[10] Devipriya S, Yesodharan S, Sol. Energy Mater. Sol. Cells, 86(3), 309 (2005)

[11] Sun HQ, Bai Y, Cheng YP, Jin WQ, Xu NP, Ind. Eng. Chem. Res., 45(14), 4971 (2006)

[12] Kagaya S, Shimizu K, Arai R, Hasegawa K, Water Res., 33, 1753 (1999)

[13] Fernandez A, Lassaletta G, Jimenez VM, Justo A, Gonzalezelipe AR, Herrmann JM, Tahiri H, Aitichou Y, Appl. Catal. B: Environ., 7(1-2), 49 (1995)

[14] Rachel A, Subrahmanyam M, Boule P, Appl. Catal. B: Environ., 37(4), 301 (2002)

[15] Li D, Zhu S, Pelton RH, Spafford M, Colloid Polym. Sci., 277, 108 (1999)

[16] Wang HT, Ye YY, Qi J, Li FT, Tang YL, Water Sci. Technol., 68, 1137 (2013)

[17] Divakaran R, Pillai VS, Water Res., 38, 2135 (2004)

[18] Tripathi PN, Chaudhuri N, Bokil SD, Indian J. Environ. Health, 18, 272 (1976)

[19] Biswas S, Murugesan T, Maiti K, Ghosh L, Pal M, Saha BP, Phytomedicine, 8, 469 (2001)

[20] Adinolfi M, Corsaro MM, Lanzetta R, Parrilli M, Folkard G, Grant W, Sutherland J, Carbohydr. Res., 263, 103 (1994)

[21] Qi J, Ye YY, Wu JJ, Wang HT, Li FT, Water Sci. Technol., 67, 147 (2013)

[22] APHA, 20th Ed. American Public Health Association, Washington (1998).

[23] Yang Y, Zhang T, Le L, Ruan X, Fang P, Pan C, Wei J, Sci. Rep., 4, 7045 (2014)

[24] Guillard C, Puzenat E, Lachheb H, Houas A, Herrmann JM, Int. J. Photoenergy, 7, 1 (2005)

[25] Cheng WP, Chemosphere, 47, 963 (2002)

[26] Santos JM, Valente JP, Jorge SMA, Padilha PM, Saeki MJ, Castro GR, Florentino AO, Orbital: Electron. J. Chem., 5, 233 (2013)

[27] French RA, Jacobson AR, Kim B, Isley SL, Penn RL, Baveye PC, Environ. Sci. Technol., 43, 1354 (2009)

[28] Corsaro MM, Giudicianni I, Lanzetta R, Marciano CE, Monaco P, Parrilli M, Phytochemistry, 39, 1377 (1995)

[29] Yu J, Yu H, Cheng B, Trapalis C, J. Mol. Catal. A-Chem., 9, 135 (2006)

[30] Shon HK, Vigneswaran S, Kim IS, Cho J, Kim GJ, Kim JB, Kim JH, Environ. Sci. Technol., 41, 1372 (2007)

[31] Sing KS, Pure Appl. Chem., 57, 603 (1985)

[32] Wang Y, Zhang L, Deng K, Chen X, Zou Z, J. Phys. Chem. C, 111, 2709 (2007)

[33] Drisko GL, Cao L, Kimling MC, Harrisson S, Luca V, Caruso RA, ACS Appl. Mater Interfaces, 1, 2893 (2009)

[34] Mishael YG, Dubin PL, de Vries R, Kayitmazer AB, Langmuir, 23(5), 2510 (2007)

[35] Porter JF, Li YG, Chan CK, J. Mater. Sci., 34(7), 1523 (1999)