Kinetics of carbon dioxide absorption from air in a flow reactor with a fixed bed of K2CO3-based sorbent

被引：5
|
作者：
Sivtsova, O. N. [1 ,2 ]
Eremenko, S. I. [2 ]
Derevschikov, V. S. [1 ,3 ]
Veselovskaya, J. V. [1 ,3 ]
机构：
[1] Novosibirsk State Univ, Novosibirsk 630090, Russia
[2] TION, Novosibirsk 630090, Russia
[3] Russian Acad Sci, Boreskov Inst Catalysis, Siberian Branch, Novosibirsk 630090, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2017年 / 91卷 / 05期
关键词：
sorption; potassium carbonate; carbon dioxide; COMPOSITE SORBENT; SORPTION;
D O I：
10.1134/S0036024417050223
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Sorption of carbon dioxide from air in a flow reactor with a bulky fixed bed of the K2CO3/Al2O3 composite sorbent was studied. The dynamic sorption capacity of the material was shown to depend on the relative humidity of the inlet air. A numerical model was constructed for evaluating the profile of CO2 concentration in the layer and kinetic curves of CO2 breakthrough at the outlet of the reactor. The results of simulation allowed us to adequately describe the experimental kinetic curves at 20-40% humidity.
引用
收藏
页码：850 / 855
页数：6
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