A Microporous Potassium-Organic Framework for Efficient C2H2/CO2 Separation

被引：1

作者：

Guan, Haiyan ^{[1
,2
]}

Zou, Shuixiang ^{[1
,2
]}

Ji, Zhenyu ^{[2
]}

Li, Hengbo ^{[2
]}

Chen, Cheng ^{[1
,2
,3
]}

Wu, Mingyan ^{[1
,2
]}

机构：

[1] Fujian Normal Univ, Coll Chem & Mat Sci, Fuzhou 350007, Fujian, Peoples R China

[2] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China

[3] Fujian Sci & Technol Innovat Lab Optoelect Inform, Fuzhou 350108, Peoples R China

来源：

CHEMISTRYSELECT | 2022年 / 7卷 / 22期

关键词：

potassium-organic framework; selective adsorption; C2H2; CO2; separation; CO2; ADSORPTION; POROSITY; POLYMER; SERIES; FE3+;

D O I：

10.1002/slct.202200803

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel potassium-based metal organic framework (TCBPA-K) was prepared by using a C-3-symmetric organic building block tris(4 '-carboxybiphenyl)amine (TCBPA). The compound has a rectangular like channel along the b axis and exhibits good selective adsorption performance. The single component gas adsorption isotherms indicated that the adsorption capacity of C2H2 is much higher than that of CO2 at 298 K and 1 bar. The isosteric adsorption enthalpies of TCBPA-K for C2H2 and CO2 are 30.6 kJ/mol and 9.1 kJ/mol respectively. Ideal adsorbed solution theory calculation recorded the separation selectivity of C2H2/CO2 (50/50, v/v) as 3.5.

引用

页数：4

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