多孔氢键金属-有机框架材料对乙炔和二氧化碳的吸附分离

发布时间：2018-05-21 02:00

  本文选题：氢键金属-有机框架材料 + 慢扩散合成法　； 参考：《化工学报》2017年01期

【摘要】：以腺嘌呤和溴化铜(氯化铜)为原料,采用慢扩散合成法,合成多孔氢键金属-有机框架材料MPM-1-Br和MPM-1-Cl。采用SEM、PXRD、TGA及比表面积分析等技术对材料进行综合表征,并测定了此二种同构多孔氢键金属-有机框架材料对乙炔和二氧化碳单组分气体的吸附等温线。实验结果表明,MPM-1-Br和MPM-1-Cl的比表面积分别为373 m~2·g~(-1)和417 m~2·g~(-1),且在240℃的温度范围内有良好的稳定性;在298 K和总压100 kPa下,通过IAST理论计算得到其对C_2H_2/CO_2混合气体(体积比50:50)的吸附选择性分别达到了3.8和3.0,与HKUST-1(4.7)和UTSA-30(3.3)等金属-有机框架材料有相当的分离性能。
[Abstract]:Porous hydrogen bonding metal-organic frame materials MPM-1-Br and MPM-1-Cl were synthesized from adenine and copper bromide (cupric chloride) by slow diffusion synthesis. The adsorption isotherms of acetylene and carbon dioxide one-component gases were determined by means of SEMP-PXRDGA and specific surface area analysis, and the adsorption isotherms of the two isomorphic porous hydrogen bonding metal-organic framework materials for acetylene and carbon dioxide were determined. The experimental results show that the specific surface areas of MPM-1-Br and MPM-1-Cl are 373mtmc2gn-1) and 417mt2gc-1, respectively, and have good stability in the temperature range of 240 鈩，

本文编号：1917218