Sulfonate-Grafted Porous Polymer Networks for Preferential CO2 Adsorption at Low Pressure

被引：513

作者：

Lu, Weigang ^{[1
]}

Yuan, Daqiang ^{[1
]}

Sculley, Julian ^{[1
]}

Zhao, Dan ^{[2
]}

Krishna, Rajamani ^{[3
]}

Zhou, Hong-Cai ^{[1
]}

机构：

[1] Texas A&M Univ, Dept Chem, College Stn, TX 77842 USA

[2] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA

[3] Univ Amsterdam, Vant Hoff Inst Mol Sci, NL-1098 XH Amsterdam, Netherlands

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2011年 / 133卷 / 45期

基金：

美国国家科学基金会;

关键词：

METAL-ORGANIC FRAMEWORKS; CARBON-DIOXIDE CAPTURE; SEPARATION; ZEOLITES; SILICA; MOFS;

D O I：

10.1021/ja2087773

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A porous polymer network (PPN) grafted with sulfonic acid (PPN-6-SO3H) and its lithium salt (PPN-6-SO3Li) exhibit significant increases in isosteric heats of CO2 adsorption and CO2-uptake capacities. IAST calculations using single-component-isotherm data and a 15/85 CO2/N-2 ratio at 295 K and 1 bar revealed that the sulfonate-grafted PPN-6 networks show exceptionally high adsorption selectivity for CO2 over N-2 (155 and 414 for PPN-6-SO3H and PPN-6-SO3Li, respectively). Since these PPNs also possess ultrahigh physicochemical stability, practical applications in postcombustion capture of CO2 lie well within the realm of possibility.

引用

页码：18126 / 18129

页数：4

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