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Vol. 26 No. 2 (2014): Vol 26 Issue 2

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Removal and Recovery of Mo(IV) from Aqueous Solutions by D201 Resin: Adsorption and Column Studies

https://doi.org/10.14233/ajchem.2014.15409
Zhanwang Zheng1
1Department of Applied Chemistry, Zhejiang Gongshang University, Hangzhou 310012, P.R. China 2Department of Applied Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, P.R. China 3Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou 310036 P.R. China *Corresponding author: Tel: +86 571 88932083; E-mail: xiongch@163.com
Qian Jia1
1Department of Applied Chemistry, Zhejiang Gongshang University, Hangzhou 310012, P.R. China 2Department of Applied Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, P.R. China 3Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou 310036 P.R. China *Corresponding author: Tel: +86 571 88932083; E-mail: xiongch@163.com
Xuri Xie1
1Department of Applied Chemistry, Zhejiang Gongshang University, Hangzhou 310012, P.R. China 2Department of Applied Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, P.R. China 3Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou 310036 P.R. China *Corresponding author: Tel: +86 571 88932083; E-mail: xiongch@163.com
Xuming Zheng2
1Department of Applied Chemistry, Zhejiang Gongshang University, Hangzhou 310012, P.R. China 2Department of Applied Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, P.R. China 3Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou 310036 P.R. China *Corresponding author: Tel: +86 571 88932083; E-mail: xiongch@163.com
Caiping Yao1
1Department of Applied Chemistry, Zhejiang Gongshang University, Hangzhou 310012, P.R. China 2Department of Applied Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, P.R. China 3Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou 310036 P.R. China *Corresponding author: Tel: +86 571 88932083; E-mail: xiongch@163.com
Chunhua Xiong1
1Department of Applied Chemistry, Zhejiang Gongshang University, Hangzhou 310012, P.R. China 2Department of Applied Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, P.R. China 3Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou 310036 P.R. China *Corresponding author: Tel: +86 571 88932083; E-mail: xiongch@163.com
Jianxiong Jiang3
1Department of Applied Chemistry, Zhejiang Gongshang University, Hangzhou 310012, P.R. China 2Department of Applied Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, P.R. China 3Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou 310036 P.R. China *Corresponding author: Tel: +86 571 88932083; E-mail: xiongch@163.com

Asian Journal of Chemistry, Vol. 26 No. 2 (2014): Vol 26 Issue 2

Abstract

The adsorption and desorption properties of D201 resin for Mo(IV) have been investigated in CH3COOH-CH3COOAc medium. A series of experiments were conducted in a batch system to assess the effect of the system variables, i.e., initial pH, contact time and temperature. The optimal pH for the adsorption was 5.5 and the maximum adsorption capacity was 501.4 mg/g at 298 K. The apparent adsorption rate constant were k288 K = 2.69 × 10-5 s-1; k298 K = 2.85 × 10-5 s-1; k308 K = 4.37 × 10-5 s-1; k313 K = 4.61 × 10-5 s-1, respectively. The adsorption isotherms data fitted well to Langmuir model. Finally, Mo(IV) could be eluted by using 1.25 mol/L NaOH solution and the resin can be regenerated and reused without apparent decrease of adsorption capacity.

Keywords

D201 resin Mo(IV) Adsorption Kinetics Langmuir model.
Zheng1, Z., Jia1, Q., Xie1, X., Zheng2, X., Yao1, C., Xiong1, C., & Jiang3, J. (2014). Removal and Recovery of Mo(IV) from Aqueous Solutions by D201 Resin: Adsorption and Column Studies. Asian Journal of Chemistry, 26(2), 393–395. https://doi.org/10.14233/ajchem.2014.15409
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