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Simultaneous Adsorption of SO 2 , NO, and CO 2 by K 2 CO 3 ‐Modified γ‐Alumina
Author(s) -
Yi Honghong,
Huang Bin,
Tang Xiaolong,
Li Kai,
Yuan Qin,
Lai Ruiyun,
Wang Pan
Publication year - 2014
Publication title -
chemical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 81
eISSN - 1521-4125
pISSN - 0930-7516
DOI - 10.1002/ceat.201300749
Subject(s) - adsorption , chemistry , chemical engineering , analytical chemistry (journal) , inorganic chemistry , materials science , thermodynamics , chromatography , physics , engineering
The simultaneous adsorption of SO 2 , NO, and CO 2 on K 2 CO 3 ‐modified γ‐alumina under different operating conditions was studied in a fixed‐bed reactor. The experimental results showed that the influence of a temperature increase on the simultaneous adsorption of the three gases was complex and different from the effects seen when both chemical adsorption and competitive adsorption existed. An increase in O 2 concentration and small amounts of water could enhance the adsorption of SO 2 and NO while the adsorption of CO 2 was not influenced. The breakthrough curves of the simultaneous adsorption experiments suggested that the investigated adsorbent may be a good candidate for the simultaneous adsorption of SO 2 , NO, and part of the CO 2 while the adsorption capacity for CO 2 still needs to be enhanced.