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五乙烯六胺改性金属有机骨架材料MIL-101(Cr)对CO2的吸附性能
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Indexed by:期刊论文

Date of Publication:2017-04-11

Journal:燃料化学学报

Included Journals:EI、CSCD、Scopus

Volume:45

Issue:4

Page Number:484-490

ISSN No.:0253-2409

Key Words:金属有机骨架(MOF);MIL-101(Cr);五乙烯六胺;二氧化碳;吸附

Abstract:采用溶剂热法合成金属有机骨架材料MIL-101(Cr),用回流法将五乙烯六胺(PEHA)负载到MIL-101(Cr)孔道中的不饱和金属位点上,使用扫描电镜、粉末X射线衍射、氮气物理吸附、元素分析和傅里叶变换红外光谱等表征手段考察材料的结构和形貌,测试氨基改性前后的MIL-101(Cr)在25℃、不同压力下对CO2的吸附效果.结果表明,负载0.24 mL五乙烯六胺后的MIL-101(Cr)对CO2的吸附效果最好,在25℃、常压下对CO2的饱和吸附量可达58.944 mg/g,相比未负载五乙烯六胺的MIL-101(Cr)吸附量(CO2饱和吸附量为44.208 mg/g)增加了33%.随着吸附压力的增加,MIL-101(Cr)和0.24PEHA-MIL-101(Cr)对CO2的饱和吸附量逐渐增加,当吸附压力为1.1 MPa时,两者的吸附量分别为1147.59和1256.74 mg/g,表明该类材料在高压下对CO2有着良好的吸附效果.

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Gender:Male

Alma Mater:大连理工大学

Degree:Doctoral Degree

School/Department:化工学院

Discipline:Industrial Catalysis. Chemical Technology

Business Address:大连理工大学西部校区化工实验楼B219

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