基于三维框架材料H3PMo(12)O(40)/Zn(BDC)(Bipy)(0.5)快速吸附亚甲基蓝  

Fast Adsorption Removal of Methylene Blue by the Composites Based Decorating Three-dimensional Framework H_3PMo_(12)O_(40)/Zn(BDC)( Bipy)_(0.5)

作　　者：龚文朋 周熠 马海芹 杨水金 

机构地区：[1]湖北师范大学化学化工学院,污染物分析与资源化技术湖北省重点实验室,湖北黄石435002

出　　处：《福建师范大学学报（自然科学版）》2017年第3期40-47,共8页Journal of Fujian Normal University：Natural Science Edition

基　　金：湖北省自然科学基金重点项目(2014CFA131);2016年地方高校国家级大学生创新创业训练计划项目(201610513010);湖北师范大学研究生创新基金资助项目(20160107)

摘　　要：采用溶剂热法,用H_3PMo_(12)O_(40)修饰三维金属有机框架材料Zn(BDC)(Bipy)_(0.5)构筑一例复合材料H_3PMo_(12)O_(40)/Zn(BDC)(Bipy)_(0.5),利用IR、XRD、TG、BET、SEM对其结构进行分析,进而研究其对亚甲基蓝的吸附性能.研究结果表明,H_3PMo_(12)O_(40)/Zn(BDC)(Bipy)_(0.5)对亚甲基蓝有很好的吸附性能,在20℃和溶液p H=2的条件下,吸附量达478.5 mg·g^(-1).H_3PMo_(12)O_(40)/Zn(BDC)(Bipy)_(0.5)对亚甲基蓝的吸附符合Langmuir等温吸附型和拟二级动力学方程,吸附过程是一个自发和放热过程.此外,能从混合染料中快速吸附出亚甲基蓝.By employing the H3 PMo12 040, Zn （BDC） （Bipy） 0. 5, a three-dimensional （3 D） metal organic frameworks composites, namely H3PMoI2040/Zn （BDC） （Bipy）0.5 was synthesized. The structures of the composite were characterized by IR, XRD, TG, SEM and N2 absorption-desorption experiment, and its MB absorption properties were also investigated. The results show that H3PMol2 O40/Zn （BDC） （Bipy）0. 5 has great adsorption capacities of the methylene blue. It＇s maximum ad- sorption capacity value reached 478.5 mg · g-1 at 193 K and pH 2. The experiment data could be well described by the Langmuir equations and pseudo-second-order kinetic model. The adsorption process of the composites on methylene blue was spontaneous and exothermic. Furthermore, the material also exhibited high adsorption capacity to methyl violet and could adsorb cationic dyes from methylene blue.

关 键 词：三维金属有机骨架 H3PMo12O40 吸附 亚甲基蓝 

分 类 号：TQ426.91[化学工程]