Citation: Duan Wenjie, Zhao Liang, Huang Zuohua, Tian Zhenbang, Huang Weiqing, Wang Jun. Preparation of Cysteamine Modified Polyacrylonitrile Fiber and Its Performance for Adsorption of Ag⁺[J]. Chemistry, ;2017, 80(2): 202-207. shu

Preparation of Cysteamine Modified Polyacrylonitrile Fiber and Its Performance for Adsorption of Ag⁺

Institute of Chemistry, Henan Academy of Science, Zhengzhou 450002

Corresponding author: Zhao Liang, dwj8812@163.com
Received Date: 18 June 2016
Accepted Date: 30 September 2016

Figures(6)

A novel fiber material (cPAN) was prepared by the modification of polyacrylonitrile (PAN) fiber. Its structure was characterized by FT IR spectra, and its thiol content was determined to be 5.08 mmol/g. The Ag⁺ adsorption and regeneration performance of cPAN was examined at 25℃. The results showed that the optimum initial pH range for adsorption is 5~7, the maximum adsorption capacity is 500 mg/g. It can reach adsorption equilibrium within 30 min when the initial Ag⁺ concentration is 100 mg/L. More than 90% of the Ag⁺ could be eluted from cPAN fiber by the mixed solution of 5% thiourea and 1.0 mol/L hydrochloric acid, and the recycled fiber could be used repeatedly.
- Cysteamine,
- PAN,
- Ag⁺,
- Adsorption
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沈阳化工大学材料科学与工程学院沈阳 110142

Preparation of Cysteamine Modified Polyacrylonitrile Fiber and Its Performance for Adsorption of Ag+

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通讯作者: 陈斌, bchen63@163.com

Preparation of Cysteamine Modified Polyacrylonitrile Fiber and Its Performance for Adsorption of Ag⁺