摘要
通过溶剂热法制备金属有机骨架材料(MOFs)MIL-101(Fe)和MIL-101(Fe)-NH2,并通过X射线衍射(XRD)、傅里叶红外光谱(FT-IR)、扫描电镜(SEM)进行表征。以水中的亚硝酸盐氮(NO2--N)为目标物,研究2种材料对其的吸附作用。结果表明,2种材料对NO2--N的吸附符合准二级动力学和Langmuir等温吸附模型,吸附平衡时间为5 h。由于氨基的存在,MIL-101(Fe)-NH2的吸附能力略优于MIL-101(Fe)。
The metal organic frameworks(MOFs) materials,MIL-101(Fe) and MIL-101(Fe)-NH2,were prepared by the solvothermal method and characterized by XRD,FT-IR,and SEM. Then the adsorption effects of the MIL-101(Fe)and MIL-101(Fe)-NH2 on nitrite nitrogen were investigated. The results show that the adsorption kinetics of these two materials accords with the pseudo-second-order kinetics and Langmuir isotherm model. Besides,the time for adsorption equilibrium of nitrite nitrogen is 5 h. The adsorption capacity of MIL-101(Fe)-NH2 is slightly better than MIL-101(Fe) due to the presence of amidogen.
作者
商鹏溟
贾瑛
戴津星
许国根
Shang Pengming;Jia Ying;Dai Jinxing;Xu Guogen(School of Missile Engineering,Rocket Force University of Engineering,Xi’an 710025,China)
出处
《工业水处理》
CAS
CSCD
北大核心
2019年第9期45-48,共4页
Industrial Water Treatment
基金
国家自然科学基金项目(21875281)
