| 以紫茎泽兰为模板制备的C/TiO_2复合材料对苯酚吸附性能的研究 |
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| 作者单位： | ;1.云南大学云南省工业废水光催化处理工程技术研究中心云南绿色褐煤能源化学协同创新中心;2.云南中烟工业有限责任公司技术中心;3.楚雄师范学院地理科学与旅游管理学院 |
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| 摘 要： | 选用紫茎泽兰茎和叶为模板制备了C/TiO_2复合材料,采用X线衍射(XRD)、N2等温吸附-脱附、电子扫描电镜(SEM)、电子透射电镜(TEM)和电子能谱等技术,对产物进行表征和分析;并研究了不同煅烧时间、煅烧温度条件下以紫茎泽兰为模板制备的C/TiO_2复合材料对苯酚吸附能力的影响.结果表明,以紫茎泽兰叶和茎为模板的C/TiO_2材料,成功保留了紫茎泽兰叶和茎的气孔,叶脉、茎维管束和孔道结构.煅烧时间为4 h、煅烧温度为1 000℃时,以紫茎泽兰叶为模板制备的C/TiO_2复合材料对质量浓度为50×10-6苯酚吸附效果最佳,吸附率达到97.8%.
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| 关 键 词： | 紫茎泽兰 C/TiO_2复合材料 苯酚 吸附 |
Adsorption of phenol by C/TiO_2 composites prepared with eupatorium adenophorum as the template |
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| Affiliation: | ,Yunnan Provincial Engineering Research Center of Photocatalytic Treatment of Industrial Wastewater,Yunnan Provincial Collaborative Innovation Center of Green Chemistry for Lignite Energy,The Universities' Center for Photocatalytic Treatment of Pollutants in Yunnan Province,Yunnan University,Research and Technology Center of China Tobacco Yunnan Industrial CO.Ltd.,School of Geographical Science |
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| Abstract: | Carbon/titania composites( C/TiO_2) were prepared by using the stems and leaves of Eupatorium adenophorum as the template,which were characterized and analyzed by X-ray diffraction( XRD),N2 isothermal adsorption-desorption,scanning electron microscopy( SEM),transmission electron microscope( TEM) and electron energy spectrum. The effects of calcination temperature and calcination time on the adsorptive ability of C/TiO_2 composites have been investigated. The results show that the carbon material in carbon/titania composite( C/TiO_2)have retained the stomatal,vascular veins and stomatal structures of the leaves and stems of Eupatorium adenophorum. C/TiO_2 templated by the leaves of Eupatorium adenophorum at the calcination time of 4 h and calcination temperature of 1 000 ℃ is the best,while the adsorption rate is 97. 8%. |
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| Keywords: | eupatorium adenophorum Charcoal-Titanium composites phenol adsorption |
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