H6 P2 Mo18 O62/Zn(BDC)(Bipy)0.5复合材料的合成、表征及对亚甲基蓝的吸附

CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE(2016)

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Abstract
在溶剂热条件下,以H6P2Mo18O62、对苯二甲酸(H2BDC)、4,4'-联吡啶(Bipy)和硝酸锌为原料构筑了1个三维金属有机骨架复合材料 H6 P2 Mo18 O62/Zn ( BDC )( Bipy )0.5,并采用红外光谱( IR )、 X 射线衍射( XRD)、扫描电子显微镜( SEM)、热重分析( TG)、N2吸附-脱附等手段对产物进行了表征.同时,研究了产物对水溶液中亚甲基蓝( MB)的吸附性能,并探讨了MB初始pH值、初始浓度和温度对吸附量的影响.结果表明,产物的等温吸附模型符合 Langmuir 等温吸附模型,动力学符合拟二级动力学. H6 P2 Mo18 O62/Zn( BDC)( Bipy)0.5对亚甲基蓝的吸附是自发和放热的,此外,产物对甲基紫、罗丹明B、孔雀石绿等阳离子染料也具有良好的吸附性能.
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Key words
Three-dimensional ( 3 D) metal organic framework,H-6 P-2 Mo-18 O-62,Adsorption,Separation,Dye
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