双金属MOF⁃74(Mg x Ni1-x )的制备及其对CO2/N2的吸附分离性能研究

杨萍, 李有喜, 蔡武锋, 梁文博, 段林海

Preparation of Bimetallic MOF⁃74(Mg x Ni1-x ) and Its Adsorption and Separation Performance for CO2/N2

Ping Yang, Youxi Li, Wufeng Cai, Wenbo Liang, Linhai Duan

表1 CO2的DSLF模型和N2的SSLF模型拟合参数

吸附剂⁃吸附质 温度/K 参数 R2 q1 b1 n1 q2 b2 n2 HP⁃MOF⁃74(Mg0.25Ni0.75)⁃CO2 273 5.708 47 0.027 57 1.363 33 1.797 35 0.391 65 0.928 30 1.000 00 HP⁃MOF⁃74(Mg0.50Ni0.50)⁃CO2 273 1.657 74 0.511 81 0.901 76 7.880 27 0.027 01 1.423 65 1.000 00 HP⁃MOF⁃74(Mg0.75Ni0.25)⁃CO2 273 2.446 53 0.014 29 1.564 92 2.446 53 0.014 29 1.564 88 0.999 92 HP⁃MOF⁃74(Mg0.25Ni0.75)⁃CO2 298 1.430 05 0.092 42 0.999 52 3.963 53 0.011 21 1.161 04 1.000 00 HP⁃MOF⁃74(Mg0.50Ni0.50)⁃CO2 298 1.411 92 0.103 27 1.000 56 2.883 96 0.004 72 1.009 42 1.000 00 HP⁃MOF⁃74(Mg0.75Ni0.25)⁃CO2 298 1.236 03 0.006 25 1.235 59 1.236 03 0.006 25 1.235 60 0.999 97 HP⁃MOF⁃74(Mg0.25Ni0.75)⁃N2 273 1.151 43 0.001 74 1.004 71 — — — 0.999 93 HP⁃MOF⁃74(Mg0.50Ni0.50)⁃N2 273 1.419 67 0.002 43 0.982 01 — — — 0.999 99 HP⁃MOF⁃74(Mg0.75Ni0.25)⁃N2 273 3.107 95 0.002 72 1.001 27 — — — 0.999 99 HP⁃MOF⁃74(Mg0.25Ni0.75)⁃N2 298 1.067 67 0.001 11 0.893 10 — — — 1.000 00 HP⁃MOF⁃74(Mg0.50Ni0.50)⁃N2 298 2.250 93 0.001 04 0.948 21 — — — 0.999 96 HP⁃MOF⁃74(Mg0.75Ni0.25)⁃N2 298 3.781 15 0.001 11 0.967 93 — — — 0.999 98