Chlorine-functionalized keto-enamine-based covalent organic frameworks for CO2 separation and capture

被引：36
|
作者：
Shinde, Digambar B. [1 ]
Ostwal, Mayur [1 ]
Wang, Xinbo [1 ]
Hengne, Amol M. [2 ]
Liu, Yang [1 ]
Sheng, Guan [1 ]
Huang, Kuo-Wei [2 ]
Lai, Zhiping [1 ]
机构：
[1] KAUST, Div Phys Sci & Engn, Adv Membranes & Porous Mat Ctr, Thuwal, Saudi Arabia
[2] KAUST, Div Phys Sci & Engn, Catalysis Ctr, Thuwal, Saudi Arabia
来源：
CRYSTENGCOMM | 2018年 / 20卷 / 47期
关键词：
FLUE-GAS; ADSORPTION; CRYSTALLINE; STABILITY; STORAGE;
D O I：
10.1039/c8ce01397g
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We report highly chemically and thermally stable chlorine-functionalized CAA-COF-1 and CAA-COF-2. The chlorine-functionalized COFs exhibited enhanced CO2 uptake (by similar to 28-44%) in comparison with their pristine COF analogues (TpPa-1 and TpBd). Column breakthrough experiments reveal that CAA-COF-1 and CAA-COF-2 display a high CO2/N-2 (10/90) gas mixture selectivity of 95 and 54, respectively. Additionally, CAA-COF-1 exhibits a CO2/CH4 (10/90) column breakthrough selectivity of 29.
引用
收藏
页码：7621 / 7625
页数：5
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