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Mg-MOF-74对CO2/H2O的吸附性能 预览 被引量:1

Adsorption Property of Mg-MOF-74 for CO2/H2O
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摘要 以Mg(NO3)2·6H2O和2,5-二羟基对苯二甲酸为原料,采用溶剂热法制备了金属有机骨架材料Mg-MOF-74.利用X射线衍射(XRD)、红外光谱(FTIR)和扫描电子显微镜(SEM)等测试手段对其结构、形貌和性能进行了分析,并利用自制穿透实验装置研究了产物吸附CO2/H2O的性能.结果表明:合成的样品纯度高,结构完整,形貌规则有序,具有较高的CO2吸附量.双组分CO2/H2O穿透实验结果证实,在水蒸气存在情况下,与沸石13X相比,Mg-MOF-74仍具有较高的CO2吸附能力,可用于分离高湿烟道气中的CO2. Mg-MOF-74 was synthesized through a solvothermal method using Mg( NO3)2·6H2O and 2,5-dihydroxyterephthalic acid as raw materials. The product was then characterized via X-ray diffraction( XRD),Fourier transform infrared( FTIR) spectroscopy,scanning electron microscopy( SEM) and breakthrough experiments. The results show that pure Mg-MOF-74 with complete structure,regular morphology and excellent CO2 adsorption properties was prepared. It is confirmed in breakthrough experiments that the as-synthesized Mg-MOF-74 maintains a high CO2 adsorption properties in the presence of H2O. Therefore,the prepared Mg-MOF-74 is a suitable candidate for capturing CO2 from wet flue gas stream.
作者 杜涛 龙渊 汤琦 李生璐 刘丽影 DU Tao, LONG Yuan, TANG Qi, LI Shenglu, LIU Liying ( State Environmental Protection Key Laboratory of Eco-lndastry, Northeastern University, Shenyang 110819, China)
出处 《高等学校化学学报》 SCIE EI CAS CSCD 北大核心 2017年第2期225-230,共6页 Chemical Research In Chinese Universities
基金 国家自然科学基金(批准号:51474067,51406029) 教育部基本科研业务费(批准号:N150204015) 辽宁省教育厅重点实验室基础研究项目(批准号:LZ2015032) 国家重点研究发展计划项目(批准号:2016YFB0601301,2016YFB0601305)资助
关键词 Mg-MOF-74 穿透实验 CO2/H2O双组分吸附 Mg-MOF-74 Breakthrough experiment CO2/H2O binary adsorption
作者简介 联系人:刘丽影,女,博士,副教授,主要从事CO2变压吸附分离研究.E—mail:liuly@smm.neu.edu.cn
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