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磷钼钨杂多酸修饰金属有机骨架MOF-5复合材料吸附亚甲基蓝

龚文朋 ,  柯晓芬 ,  李志鹏 ,  田超强 ,  杨水金

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引用本文: 龚文朋, 柯晓芬, 李志鹏, 田超强, 杨水金. 磷钼钨杂多酸修饰金属有机骨架MOF-5复合材料吸附亚甲基蓝[J]. 应用化学, 2016, 33(9): 1047-1055. doi: 10.11944/j.issn.1000-0518.2016.09.160058 shu
Citation:  GONG Wenpeng, KE xiaofen, LI Zhipeng, TIAN Chaoqiang, YANG Shuijin. Adsorption of Methylene Blue by Phosphomolybdiumtungstic Acid Decorated Metal Organic Framework MOF-5[J]. Chinese Journal of Applied Chemistry, 2016, 33(9): 1047-1055. doi: 10.11944/j.issn.1000-0518.2016.09.160058 shu

磷钼钨杂多酸修饰金属有机骨架MOF-5复合材料吸附亚甲基蓝

  • 1.

    a 湖北师范大学化学化工学院, 稀有金属化学湖北省协同创新中心 湖北 黄石 435002;

  • 2.

    b 湖北师范大学文理学院 湖北 黄石 435002

    • 通讯作者: 杨水金,教授;Tel:0714-6515602;E-mail:yangshuijin@163.com;研究方向:无机功能材料
  • 基金项目:

    国家自然科学基金（21171053）；湖北省自然科学基金重点项目（2014CFA131) 

    湖北师范学院文理学院本科生科研项目（201502）资助 

摘要: 采用水热合成法，在合成金属有机骨架MOF-5的过程中引入活性组分磷钼钨杂多酸（H6P2Mo15W3O62），制备出一种新型吸附剂H6P2Mo15W3O62/MOF-5。利用H6P2Mo15W3O62/MOF-5材料对亚甲基蓝溶液进行了材料的吸附性能研究，探讨了亚甲基蓝溶液的初始pH值和初始浓度以及不同吸附温度对吸附量的影响。结果表明，在较低的温度和亚甲基蓝溶液较低的初始pH值的条件下，有利于H6P2Mo15W3O62/MOF-5对亚甲基蓝的吸附。实验结果能够较好地符合Langmuir吸附等温式以及二级动力学模型，对亚甲基蓝的最大吸附量可达401.6 mg/g。热力学参数ΔG< 0、ΔH< 0和ΔS >0，表明H6P2Mo15W3O62/MOF-5对亚甲基蓝的吸附过程是自发、放热的。此外，还探讨了H6P2Mo15W3O62/MOF-5对甲基紫、孔雀石绿、罗丹明B和甲基橙等其它染料的吸附性能，结果表明，H6P2Mo15W3O62/MOF-5对阳离子染料有较好的吸附效果。

English

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  • 收稿日期:  2016-02-02
  • 网络出版日期:  2016-04-20
通讯作者: 陈斌, bchen63@163.com
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