化工学报2016，Vol.5Issue(5)：2070-2077,8.DOI:10.11949/j.issn.0438-1157.20151542
半纤维素/TiO2复合凝胶的光催化降解性能
Photocatalytic degradation property of hemicellulose/TiO2 composite gel
摘要
Abstract
Hemicellulose/TiO2 composite gel was prepared using hemicellulose and TiO2 nanoparticles. Fourier transform infrared spectroscopy (FT-IR) and scanning electron microscopy (SEM) were used to study the structure and morphology of the hydrogel. Experimental analysis showed that the hemicellulose was successfully grafted with the polyacrylic acid and a porous hydrogel was observed. The pore size of the hydrogel decreased with the increase of the TiO2 content. In addition, the swelling properties and photocatalytic degradation properties of the hydrogel were also investigated. Experimental results showed that the swelling ratio of the hydrogel increased at first and then decreased with the increase of pH while kept decreasing with the increase of the TiO2 content. The degradation ratio of methylene blue increased at first and then decreased with the increase of the TiO2 content or a rise of pH value of the methylene blue solution, and it also increased with the increase of the initial concentration of methylene blue solution.关键词
聚合物/纳米粒子/废水/降解Key words
polymer/nanoparticles/waste water/degradation分类
化学化工引用本文复制引用
孙晓锋,李驰,夏修阳,周睿,王亚雄,冯阳..半纤维素/TiO2复合凝胶的光催化降解性能[J].化工学报,2016,5(5):2070-2077,8.基金项目
国家自然科学基金项目(20707016) （20707016）
中央高校基本科研业务费专项资金(3102015BJ026) （3102015BJ026）
西北工业大学研究生创意创新种子基金(Z2015150).supported by the National Natural Science Foundation of China (20707016), the Fundamental Research Funds for the Central Universities (3102015BJ026) and the Seed Foundation of Innovation and Creation for Graduate Students in Northwestern Polytechnical University (Z2015150). （Z2015150）
