Sonochemical Synthesis of UiO-66 for CO2 Adsorption and Xylene Isomer Separation

被引：8
|
作者：
Kim, Hee-Young [1 ]
Kim, Se-Na [1 ]
Kim, Jun [1 ]
Ahn, Wha-Seung [1 ]
机构：
[1] Inha Univ, Dept Chem Engn, 100 Inha Ro, Incheon 402751, South Korea
来源：
KOREAN CHEMICAL ENGINEERING RESEARCH | 2013年 / 51卷 / 04期
关键词：
Metal Organic Frameworks (MOFs); UiO-66; Sonochemical Synthesis; CO2; Adsorption; Xylene Isomer Separation;
D O I：
10.9713/kcer.2013.51.4.470
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Zr-benzendicarboxylate structure, UiO-66 was prepared in 1-L batch scale by using a unique sonochemical-solvothermal combined synthesis method. The produced UiO-66 showed uniform particles of ca. 0.2 mu m in size with the BET surface area of 1,375 m(2)/g in high product yield (>95%). The UiO-66 showed 198 and 84 mg/g CO2 adsorption capacity at 273 K and 298 K, respectively, with excellent CO2 selectivity (CO2:N-2=32:1) at ambient conditions. The isosteric heat of CO2 adsorption varied from 33 to 25 kJ/mol as the adsorption progressed. The UiO-66 tested for xylene isomer separation in a liquid-phase batch mode confirmed preferential adsorption of the adsorbent for o-xylene over m-, and p-xylene.
引用
收藏
页码：470 / 475
页数：6
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