| Synthesis and adsorption properties for Au（Ⅲ） of alkoxycarbonyl thiourea resin |
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| 引用本文： | 王帅,钟宏,刘广义,张骞,李婷.Synthesis and adsorption properties for Au（Ⅲ） of alkoxycarbonyl thiourea resin[J].中南工业大学学报(英文版),2008,15(4):463-468. |
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| 作者姓名： | 王帅 钟宏 刘广义 张骞 李婷 |
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| 作者单位： | School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China |
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| 基金项目： | Foundation item; Projects（20476105, 50604016） supported by the National Natural Science Foundation of China |
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| 摘 要： | A novel alkoxycarbonyl thiourea resin（ATR） was synthesized by monomer polymerization of oxydiethane-2,1-diyl dicarbonisothiocyanatidate and polyethylene polyamine, and characterized by FT-IR. The adsorption properties of ATR were investigated by batch test. The adsorption capacities for Au（Ⅲ）, Ag（Ⅰ）, Cu（Ⅱ）, Zn（Ⅱ, Fe（Ⅲ）, Ca（ Ⅱ ） and Mg（ Ⅱ ） are 4.65, 4.40, 0.40, 0.90, 0.86, 0.0080 and 0.016 mmol/g, respectively, when the adsorption condition is as follows： contact time 24 h, temperature 30 ℃, initial concentration of Au（Ⅲ） 5.08 mmol/L and that of other metals 0.10 mol/L, and concentration of acid 1.0 mol/L. The adsorption capacity for Au（Ⅲ） increases with the increase of contact time, temperature and initial concentration of Au（Ⅲ）. The capacity after five adsorption-desorption cycles remains 90% that of the first time, and the separation factors of ATR for binary metal ion solutions are larger than 995, indicating that ATR is of good regeneration property and selectivity. XPS results show that the functional atoms of ATR supply electrons for Au and coordinate with Au during the adsorption.
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| 关 键 词： | 烷氧碳酰 硫脲 分离技术 合成方法 |
| 收稿时间： | 18 September 2009 |
Synthesis and adsorption properties for Au(III) of alkoxycarbonyl thiourea resin |
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| Shuai Wang , Hong Zhong , Guang-yi Liu , Qian Zhang and Ting Li.Synthesis and adsorption properties for Au(III) of alkoxycarbonyl thiourea resin[J].Journal of Central South University of Technology,2008,15(4):463-468. |
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| Authors: | Shuai Wang Hong Zhong Guang-yi Liu Qian Zhang and Ting Li |
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| Affiliation: | (1) School of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China |
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| Abstract: | A novel alkoxycarbonyl thiourea resin(ATR) was synthesized by monomer polymerization of oxydiethane-2,1-diyl dicarbonisothiocyanatidate
and polyethylene polyamine, and characterized by FT-IR. The adsorption properties of ATR were investigated by batch test.
The adsorption capacities for Au(III), Ag(I), Cu(II), Zn(II), Fe(III), Ca(II) and Mg(II) are 4.65, 0.40, 0.90, 0.86, 0.0080
and 0.016 mmol/g, respectively, when the adsorption condition is as follows: contact time 24 h, temperature 30 °C, initial
concentration of Au(III) 5.08 mmol/L and that of other metals 0.10 mol/L, and concentration of acid 1.0 mol/L. The adsorption
capacity for Au(III) increases with the increase of contact time, temperature and initial concentration of Au(III). The capacity
after five adsorption-desorption cycles remains 90% that of the first time, and the separation factors of ATR for binary metal
ion solutions are larger than 995, indicating that ATR is of good regeneration property and selectivity. XPS results show
that the functional atoms of ATR supply electrons for Au and coordinate with Au during the adsorption.
Foundation item: Projects(20476105, 50604016) supported by the National Natural Science Foundation of China |
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| Keywords: | alkoxycarbonyl thiourea resin Au(III) separation factor synthesis adsorption |
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