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| 辐射接枝共聚物XG-g-NVP溶胀性能及其对苯酚吸附特性的研究 | |
| 引用本文： | 李咏富,哈益明,陶乐仁,李彦杰,王锋.辐射接枝共聚物XG-g-NVP溶胀性能及其对苯酚吸附特性的研究[J].核农学报,2011,25(1):97-104. |
| 作者姓名： | 李咏富 哈益明 陶乐仁 李彦杰 王锋 |
| 作者单位： | 1. 上海理工大学医疗器械与食品学院,上海,200093 2. 中国农业科学院农产品加工研究所/农业部农产品加工与质量控制重点开放实验室,北京,100193 3. 中国农业科学院农产品加工研究所/农业部农产品加工与质量控制重点开放实验室,北京,100193;内蒙古工业大学化工学院,内蒙古呼和浩特,010051 |
| 基金项目： | 国家十一五食品安全科技支撑专项，农业部公益性行业科技专项 |
| 摘 要： | 采用共辐射接枝法制备黄原胶-N-乙烯基吡咯烷酮接枝共聚物(XG-g-NVP),研究其溶胀性能及对苯酚的吸附性能.研究表明,XG-g-NVP在接枝率为623%时溶胀性能和吸附苯酚的能力最强,分别为62.1和0.76g/g.红外分析显示,XG-g-NVP与苯酚通过氢键相结合.XG-g-NVP对苯酚吸附符合Freundlic... |
| 关 键 词： | 辐射接枝 黄原胶 N-乙烯基吡咯烷酮(NVP) 吸附苯酚 |
SWELLING AND PHENOL ABSORBING PROPERTY OF XANTHAN GUM-g-N-VINYLPYRROLIDONE PREPARED BY IRRADIATION |
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| LI Yong-fu,HA Yi-ming,TAO Le-ren,LI Yan-jie,WANG Feng.SWELLING AND PHENOL ABSORBING PROPERTY OF XANTHAN GUM-g-N-VINYLPYRROLIDONE PREPARED BY IRRADIATION[J].Acta Agriculturae Nucleatae Sinica,2011,25(1):97-104. | |
| Authors: | LI Yong-fu HA Yi-ming TAO Le-ren LI Yan-jie WANG Feng |
| Abstract: | Xanthan gum-g-N-vinylpyrrolidone graft copolymer (XG-g-NVP) was prepared by irradiation, and its swelling and phenol absorbing properties were studied. Results showed that the XG-g-NVP had the best swelling property (62.1g/g) and the best phenol adsorption capacity (0.76g/g) at the grafting yield of 623%. IR analysis showed that the copolymer was combined with phenol through hydrogen bonds. The data of isotherm were fitted to Freundlich model. At the temperature of 298K, free energy (ΔG) of the adsorption process was -2.586kJ/mol. Thus identified that the process was a physical adsorption and spontaneously occurred. Therefore, XG-g-NVP could be used as a highly effective adsorbent for wastewater treatment. |
| Keywords: | irradiation grafting xanthan gum NVP adsorption of phenol |
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