摘要
通过水热合成方法制备介孔氧化硅(SiO_2),运用氧化石墨烯(GO)对其改性,将所制备的样品应用在亚甲基蓝(MB)的吸附上,考查了酸碱度、温度、溶液浓度及吸附时间、吸附剂用量等因素对吸附过程的影响。结果表明该复合材料显示了对亚甲基蓝良好的吸附性能,溶液pH值、吸附剂量和温度对吸附有一定影响;对亚甲基蓝的吸附是一个准二级动力学过程;其吸附等温线符合Langmuir模型。
Mesoporous silica（SiO2） was prepared by hydrothermal synthesis method,and modified with graphene oxide（GO）. The prepared samples were applied to the adsorption of methylene blue（MB） in aqueous solution.Properties of the composites were investigated,and the effects of different pH,temperature,concentration and adsorption time on the adsorption were studied. The experimental results showed that the composites had a high adsorption to MB.The concentration,temperature and pH had certain influence on the adsorption. The pseudo-second order equation was the best model that described the adsorption behavior. The equilibrium data was fitted to Langmuir.
作者
邱书伟
马琰
QIU Shu-wei;MA Yan(Bayingol Vocational and Technology College,Xinjiang Korla 841000,China)
出处
《广州化工》
CAS
2018年第16期76-78,共3页
GuangZhou Chemical Industry
基金
巴音郭楞职业学院基金资助项目(No:Bykj2016n-10)
