Polyvinyl alcohol.alginate ferrophoto gels for mercury(II) removal

Azura Hanis A. Rahman; Chee Loong Teo; Ani Idris; Effaliza Misran; Siti Asma’ Nikmat Leong

Journal of Industrial and Engineering Chemistry, Vol.33, 190-196, January, 2016

DOI10.1016/j.jiec.2015.09.036 Export Citation

Polyvinyl alcohol.alginate ferrophoto gels for mercury(II) removal

Azura Hanis A. Rahman, Chee Loong Teo, Ani Idris^†, Effaliza Misran, and Siti Asma’ Nikmat Leong¹

Department of Bioprocess Engineering, Faculty of Chemical Engineering, c/o Institute of Bioproduct Development (IBD), Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
¹Department of Mechanical Engineering, Faculty of Chemical Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia

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Maghemite (g-Fe2O3) nanoparticles were embedded in polyvinyl alcohol (PVA) and alginate matrix to produce beads that could be easily recovered with external magnetic field after treating mercury, Hg(II) in aqueous solution. 96% of Hg(II) was removed in 4 h under sunlight, at pH 11 and 16% (v/v) of photocatalyst dosage. FESEM results revealed that the beads possessed significant superporosity structure that greatly supported mass transfer of Hg(II) inside the beads. The removal of Hg(II) fitted well with Langmuir.Hinshelwood (L-H) model exhibiting R2 (correlation coefficient) value of 0.9771. Thus, this study proved that it was feasible to treat Hg(II) solution with g-Fe2O3-PVA-alginate beads.

Keywords:Photo catalysts;g-Fe2O3 beads;Hg(II);PVA-alginate;Wastewater treatment

[References]

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[2] Aguado MA, Cerveramarch S, Gimenez J, Chem. Eng. Sci., 50(10), 1561 (1995)

[3] Pan SD, Shen HY, Xu QH, Luo J, Hu MQ, J. Colloid Interface Sci., 365(1), 204 (2012)

[4] Ketir W, Boucuelia A, Trari M, J. Hazard. Mater., 158(2-3), 257 (2008)

[5] Mohamed RM, Aazam ES, Desalin. Water Treat., 50, 140 (2012)

[6] Chen D, Ray AK, Chem. Eng. Sci., 56(4), 1561 (2001)

[7] Dou BL, Dupont V, Pan WG, Chen BB, Chem. Eng. J., 166(2), 631 (2011)

[8] Lenzi GG, Favero CVB, Colpini LMS, Bernabe H, Baesso ML, Specchia S, Santos OAA, Desalination, 270(1-3), 241 (2011)

[9] Lopez-Munoz MJ, Aguado J, Arencibia A, Pascual R, Appl. Catal. B: Environ., 104(3-4), 220 (2011)

[10] Skubal LR, Meshkov NK, J. Photochem. Photobiol. A-Chem., 148, 211 (2002)

[11] Zhang FS, Nriagu JO, Itoh H, Water Res., 39, 389 (2005)

[12] Zhou JH, Deng CY, Si SH, Shi Y, Zhao XL, Electrochim. Acta, 56(5), 2062 (2011)

[13] Idris A, Hassan N, Rashid R, Ngomsik AF, J. Hazard. Mater., 186(1), 629 (2011)

[14] Ryabchuk V, Int. J. Photoenergy, 6, 95 (2004)

[15] Augugliaro V, Loddo V, Lopez-Munoz MJ, Marquez-Alvarex C, Palmisano G, Palmisano S, Yurdakal Photochem. Photobiol. Sci., 8, 663 (2009)

[16] Rajeshwar K, Chenthamarakshan CR, Ming Y, Sun W, J. Electroanal. Chem., 538-539, 173 (2002)

[17] Ngomsik AF, Bee A, Draye M, Cote G, Cabuil V, C. R. Chim., 8(6-7), 963 (2005)

[18] Majidnia Z, Idris A, Korean J. Chem. Eng., 32(6), 1094 (2015)

[19] Wong ET, Chan KJ, Irfan M, Idris A, Desalin. Water Treat., http://dx.doi.org/10.1080/19443994.2014.980330, ID:980330. (2014)

[20] Majidnia Z, Idris A, Chem. Eng. J., 262, 372 (2015)

[21] Idris A, Misran E, Yusof NM, J. Ind. Eng. Chem., 18(6), 2151 (2012)

[22] Idris A, Misran E, Hassan N, Abdul Jalil A, Seng CE, J. Hazard. Mater., 227-228, 309 (2012)

[23] Idris A, Majidnia Z, Appl. Mech. Mater., 606, 99 (2014)

[24] Massart R, IEEE Trans. Magn., 17, 1247 (1981)

[25] Bee A, Massart R, Neveu S, J. Magn. Magn. Mater., 149(1-2), 6 (1995)

[26] Wu KYA, Wisecarver KD, Biotechnol. Bioeng., 39, 447 (1992)

[27] Jeon C, Holl WH, Water Res., 37, 4770 (2003)

[28] Iwata T, Ishikawa M, Ichino R, Okido M, Surf. Coat. Technol., 169-170, 703 (2003)

[29] Litter MI, Appl. Catal. B: Environ., 23(2-3), 89 (1999)

[30] Konstantinou IK, Albanis TA, Appl. Catal. B: Environ., 49(1), 1 (2004)

[31] Mohapatra P, Samantaray SK, Parida K, J. Photochem. Photobiol. A-Chem., 170, 189 (2005)

[32] Neppolian B, Choi HC, Sakthivel S, Arabindoo B, Murugesan V, J. Hazard. Mater., 89(2-3), 303 (2002)

[33] Guettai N, Amar HA, Desalination, 185(1-3), 439 (2005)