Adsorption properties of silica surface-grafted with a salicylhydroxamic acid-functionalized polymer toward lead ions

Ruixin Wang; Meina Xie; Hongjing Wang; Xiaohui Shi; Caiping Lei

Korean Journal of Chemical Engineering, Vol.33, No.3, 976-985, March, 2016

DOI10.1007/s11814-015-0182-z Export Citation

Adsorption properties of silica surface-grafted with a salicylhydroxamic acid-functionalized polymer toward lead ions

Ruixin Wang^†, Meina Xie, Hongjing Wang, Xiaohui Shi, and Caiping Lei

School of Chemical and Environmental Engineering, North University of China, Taiyuan 030051, China

E-mail:

Salicylhydroxamic acid (SHA), functionalized composite chelating adsorbing material SHA-PHEMA/SiO2, was prepared through the nucleophilic substitution reaction of 5-chloromethyl-salicylhydroxamic acid with poly (2-hydroethyl methacrylate) (PHEMA) modified silica gel particles PHEMA/SiO2. The SHA-PHEMA/SiO2 composites were characterized by FT-IR, scanning electron microscopy, X-ray photoelectron spectroscopy and nitrogen absorption. The adsorption behavior, adsorption thermodynamic, and adsorption mechanism of SHA-PHEMA/SiO2 for Pb2+ ions were studied, and the pH value of the medium on the adsorption property and chelating adsorption ability of SHA-PHEMA/SiO2 for Pb2+ ions was also investigated. The experimental results show that SHA-PHEMA/SiO2 possesses strong chelating adsorption ability for Pb2+ ions, and the adsorption capacity for Pb2+ ions at 308K reached 57 mg/g. The adsorption process is a chemical adsorption process driven by entropy, and the adsorption capacity increases with rising temperature. In pH range that can inhibit the hydrolysis of heavy metal ions, increasing the pH value of the medium strengthens the adsorption ability of SHA-PHEMA/SiO2 toward Pb2+ ions. The adsorption behavior is monomolecular and follows Langmuir isotherm. The adsorption capacity is almost the same after ten consecutive adsorption-desorption experiments of SHA-PHEMA/SiO2 for Pb2+ ions, indicating that SHA-PHEMA/SiO2 has excellent elution property and reusability.

Keywords:Salicylhydroxamic Acid;Poly (2-Hydroethyl Methacrylate);Silica Gel;Chelation;Lead Ions

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[Referenced By]

[1] Oshima T, Ishizaka S, Morizono H, Ohe K, Baba Y, Sep. Purif. Technol., 114, 11 (2013)

[2] Zhang J, Gao BJ, Lu JH, Acta Phys.-Chim. Sin., 25, 532 (2009)

[3] Dang MY, Guo HM, Tan YK, Bi SD, Funct. Mater., 43, 2616 (2012)

[4] Zhou Y, Yan X, Zhou LQ, CIESC J., 62, 3288 (2011)

[5] Park C, Novak JT, Water Res., 41, 1679 (2007)

[6] Mercedes V, Sandra SS, Maria VR, Inorg. Chim. Acta., 393, 24 (2012)

[7] Rozada F, Otero M, Moran A, Garcia AI, Bioresour. Technol., 99(14), 6332 (2008)

[8] Koong LF, Lam KF, Barford J, McKay G, J. Colloid Interface Sci., 395, 230 (2013)

[9] Afkhami A, Saber-Tehrani M, Bagheri H, J. Hazard. Mater., 181(1-3), 836 (2010)

[10] Wang JP, Ma XX, Fang GZ, Pan MF, Ye XK, Wang S, J. Hazard. Mater., 186(2-3), 1985 (2011)

[11] Donia AM, Atia AA, Abouzayed FI, Chem. Eng. J., 191, 22 (2012)

[12] Li YW, Li JR, Wang LF, Zhou BY, Chen Q, Bu XH, J. Mater. Chem. A, 1, 495 (2013)

[13] Gao BJ, Gao YC, Li YB, Chem. Eng. J., 158(3), 542 (2010)

[14] Song J, Kong H, Jang J, J. Colloid Interface Sci., 359(2), 505 (2011)

[15] Jiang GM, Gao BJ, Xu WM, Wang XH, Wang, Acta Phys.-Chim. Sin., 27, 1474 (2011)

[16] Lei QJ, Zhang GZ, Gao BJ, An FQ, Dai X, Wang M, Gao JF, Polym. Mater. Sci. Eng., 29, 78 (2013)

[17] Xu J, Franklin SJ, Whisenhunt DW, Raymond KN, J. Am. Chem. Soc., 117(27), 7245 (1995)

[18] Zeng W, Zeng GY, Qin SY, Chin. J. Org. Chem., 23, 1213 (2003)

[19] Che LP, Yu YF, Pang JX, Yuan JZ, Zhang FG, Rare Earths, 25, 49 (2004)

[20] Yan B, Zhou CC, Zhao XR, Ren XC, Light Metals, 4, 7 (2011)

[21] Jia LP, Che XK, Zheng Q, Zhang L, Metal Mine, 7, 106 (2011)

[22] Liu WG, Wang BY, Dai SJ, Ma AX, Wei DZ, Non-Ferrous Mining Metallurgy, 22, 25 (2006)

[23] Yang H, Qin SY, Lu XX, Chin. Chem. Lett., 10, 79 (1999)

[24] Li HB, Qin C, Liang W, Wang LP, Hao MA, Jin B, Liang XL, Qin SY, J. Mol. Catal., 23, 62 (2009)

[25] Zeng W, Li JZ, Li HB, Qin SY, Chem. Res. Appl., 15, 327 (2003)

[26] Thomas M, Gesson JP, Papot S, J. Org. Chem., 72, 4262 (2007)

[27] Sheng YL, Yang YF, Gao BJ, Zhu Y, Acta Polym. Sin., 6, 559 (2007)

[28] Shi XH, Wang RX, Gao BJ, Lei CP, Li YH, Polym. Mater. Sci. Eng., 31, 139 (2015)

[29] Fang XL, Gao BJ, Huang XW, Zhang YQ, Gu LR, Acta Polym. Sin., 12, 1472 (2012)

[30] Xu X, Gao BY, Wang WY, Yue QY, Wang Y, Ni SQ, Colloids Surf. B: Biointerfaces, 70, 46 (2009)

[31] Khaled A, El Nemr A, EI-Sikaily A, Abdelwahab O, J. Hazard. Mater., 165(1-3), 100 (2009)

[32] De Costa MDP, Jayasinghe WAPA, J. Photochem. Photobiol. A-Chem., 162, 591 (2004)

[33] Gao BJ, Gao YC, Li YB, Chem. Eng. J., 158(3), 542 (2010)

[34] Cestari AR, Vieira EFS, Mattos CRS, J. Chem. Thermodyn., 38(9), 1092 (2006)

[35] dos Anjos FSC, Vieira EFS, Cestari AR, J. Colloid Interface Sci., 253(2), 243 (2002)

[36] Chen H, Wang AQ, J. Hazard. Mater., 165(1-3), 223 (2009)

[37] Hatay I, Gup R, Ersoz M, J. Hazard. Mater., 150, 546 (2008)