摘要
采用溶剂热法制备一系列金属有机骨架材料MIL-53(Fe),使用傅立叶变换红外光谱仪、X射线衍射仪、电子扫描电镜等表征手段对其结构进行表征.探讨了其对有机染料亚甲基蓝的吸附性能.通过改变反应温度来调控MIL-53(Fe)的结晶度,结果表明,高结晶度的MIL-53(Fe)更利于吸附行为.吸附动力学、等温线研究表明,该吸附过程符合准二级动力学和Langmuir等温线模型.
MIL-53(Fe)materials were prepared by hydrothermal method and characterized by fourier infrared spectrometer,X-ray powder diffraction,and scanning electron microscope.The adsorption of methylene blue in aqueous solution by MIL-53(Fe)materials was investigated.The results showed that high crystallinity is beneficial for the adsorption behavior.The adsorption kinetics of the adsorbent to the MB obeyed pseudo-second-order kinetic model and the adsorption isotherms obeyed Langmuir monomolecular layer adsorption model.
作者
庄景果
侯文平
苏静怡
王新海
庞靖宇
ZHUANG Jingguo;HOU Wenping;SU Jingyi;WANG Xinhai;PANG Jingyu(College of Chemistry and Chemical Engineering,Henan University,Kaifeng 475004,Henan,China)
出处
《化学研究》
CAS
2019年第5期510-514,共5页
Chemical Research
基金
中国博士后科学基金(2019M652518)
关键词
金属有机骨架材料
吸附
亚甲基蓝
metal-orgnic frameworks
adsorption
methylene blue
