用交联的壳聚糖微球(CTS)与均苯四甲酸酐在无水条件下反应,合成了均苯四甲酸酐修饰壳聚糖微球. 用FT-IR和XPS表征了产物的结构,考察了它对水溶液中Pb2+和Cd2+的吸附行为及其影响因素. 结果表明,吸附等温线符合Langmuir方程. 当pH=5.0时,对Pb2+和Cd2+的最大吸附量分别为296.7和149.9 mg/g. 用二级吸附动力学模拟动力学过程有很好的线性相关性,据此确定为化学吸附过程. 以0.2 mol/L的EDTA为解吸剂,Pb2+和Cd2+的再生率分别为92.4%和85.3%.
参考文献
| [1] | Yan J L.Chinese J Polym Sci[J],2006,24(5):497 |
| [2] | Chang M Y,Juang R S.J Colloid and Interface Sci[J],2004,278(1):18 |
| [3] | LIU Yan(刘燕),MO Xian-Zhong(莫羡忠),GAN Chun-Fang(甘春芳).Tech & Devel Chem Ind(化工技术与开发)[J],2007,36(01):26 |
| [4] | GAO Yong-Hong(高永红),MA Quan-Hong(马全红),ZOU Zong-Bai(邹宗柏).J Southeast Univ(Nat Sci Edn)(东南大学学报(自然科学版))[J],2001,1(31):104 |
| [5] | SHAO Jian(邵坚),WANG Zhong(王中).J North China Institute Water Conservancy and Hydroelectric Power(华北水利水电学院学报)[J],2007,5(28):65 |
| [6] | Bayramoglu G,Arica M Y,Bektas S.J Appl Polymer Sci[J],2007,106:169 |
| [7] | Vitali L,Laranjeria M C M,Goncalves N S,Favere V T.International J Biological Cromole[J],2008,42:152 |
| [8] | JIANG De-Sheng(姜德生),LONG Sheng-Ya(龙胜亚),HUANG Jun (黄俊),XIAO Hai-Yan(肖海燕),ZHOU Ju-Ying(周菊英).Biochem Eng J(生物化学工程)[J],2005,25:15 |
| [9] | SONG Jiang-Xuan(宋江选),LIANG Xing-Quan(梁兴泉),LI Ke-Wen(李克文),ZHENG An-Xiong(郑安雄),LU Fa-Yan(卢发燕).Chem Ind Times(化工时刊)[J],2007,21(2):44 |
| [10] | Li F Y,Sun X M,Zhang H Z,Li B H,Gai F X.J Appl Polym Sci[J],2007,105(6):3 418 |
| [11] | REN Dong-Wen(任东文),BAO De-Cai(包德才),WANG Wei(王为),MA Xiao-Jun(马小军).Spectroscopy and Spectral Anal(光谱学与光谱分析)[J],2006,26(7):1 217 |
| [12] | FENG Chang-Gen(冯长根),BAI Lin-Shan(白林山),REN Qi-Sheng(任启生).Spectroscopy and Spectral Anal(光谱学与光谱分析)[J],2004,24(11):1 315 |
| [13] | BAI Lin-Shan(白林山),FENG Chang-Gen(冯长根),REN Qi-Sheng(任启生).Modern Chem Ind(现代化工)[J],2003,23(8):28 |
| [14] | Ho Y S,McKay G.Process Biochem[J],1999,34(5):451 |
| [15] | Bayramoglu G,Denizli A,Bektas S.Microchem J[J],2002,72:63 |
| [16] | MG,Ho Y S.Water Res[J],1999,33:578 |
| [17] | Zhou D,Zhang L N,Zhou J P,Guo S L.Water Res[J],2004,38:2 643 |
| [18] | HU Hui-Ling(胡慧玲),SU Min-Gang(苏敏刚),XU Jiang-Ping(徐江萍).Chinese J Anal Lab(分析试验室)[J],2006,25(10):1 |
| [19] | SUN Sheng-Ling(孙胜玲),WANG Ai-Qin(王爱勤).China Environ Sci(中国环境科学)[J],2005,25(2):192 |
| [20] | HU Hui-Ling(胡慧玲),SU Min-Gang(苏敏刚),XU Jiang-Ping(徐江萍).Ion Exh and Adsorption(离子交换与吸附)[J],2007,23(3):274 |
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