Evaluation of a Primary Amine-Functionalized Ion-Exchange Resin for CO2 Capture

被引:98
|
作者
Alesi, W. Richard, Jr. [1 ,2 ]
Kitchin, John R. [1 ,2 ]
机构
[1] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA
[2] Carnegie Mellon Univ, Dept Chem Engn, Pittsburgh, PA 15213 USA
关键词
CARBON-DIOXIDE CAPTURE; STERICALLY HINDERED AMINES; MESOPOROUS SILICA; SOLID SORBENTS; FLUE-GAS; SUPPORTED AMINES; ADSORPTION; ADSORBENTS; SBA-15; REGENERATION;
D O I
10.1021/ie300452c
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
A primary amine-functionalized polymeric ion-exchange resin (Lewatit VP OC 1065, Lanxess) was evaluated for use in CO, capture applications. The polymeric resin was characterized by SEM, DRIFTS-IR, N-2 adsorption isotherms, and packed bed sorption measurements to determine some of the characteristic properties of the resin. Capture capacities ranging from 1.85 to 1.15 mol CO2/kg sorbent were obtained in a packed bed reactor exposed to 10 vol % CO2 in N-2 at adsorption temperatures ranging from 30 to 70 degrees C. The capture capacity of the resin was stable over 18 adsorption/regeneration cycles. The resin was evaluated through thermogravimetric analysis to have a low moisture adsorption (1.5 mol H2O/kg sorbent). It is possible to completely regenerate the resin under 1 atm of CO2 at 200 degrees C.
引用
收藏
页码:6907 / 6915
页数:9
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