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http://dx.doi.org/10.7464/ksct.2014.20.2.179

Effect of Desorption Pressure on Adsorption and Desorprtion Breakthrough Behaviors of Carbon Dioxide with Zeolite 3A, 4A, 5A, and 13X Pellets  

Sim, Jungbo (Graduate School of Energy Science and Technology.The Department of Energy Science and Technology)
Noh, Young-Kyoung (Graduate School of Chemical & Biomolecular Engineering, Yonsei University)
Park, Young Cheol (Korea Institute of Energy Research)
Kim, Hyunuk (Korea Institute of Energy Research)
Ryu, Ho-Jung (Korea Institute of Energy Research)
Cho, Churl-Hee (Graduate School of Energy Science and Technology.The Department of Energy Science and Technology)
Moon, Jong-Ho (Korea Institute of Energy Research)
Publication Information
Clean Technology / v.20, no.2, 2014 , pp. 179-188 More about this Journal
Abstract
The effect of desorption pressure on $CO_2/N_2$ breakthrough behaviors for 4 different adsorbents was studied at a fixed bed. Zeolite 3A, 4A, 5A, and 13X pellets were used as adsorbents. Cyclic operations were executed with varying desorption pressure from vacuum (0 bar) to 3 bar while other conditions such as adsorption step pressure (3 bar), temperature (293 K), composition ($CO_2:N_2=10:90$vol%) and flow rate (400 ccm) were fixed at constant values. Each adsorption and desorption step was set as 80 min, which totaled up to 160 min per a cycle. 5 cycles with adsorption and desorption steps were run overall. After the experiment, breakthrough time, saturation time, and adsorption amount were measured and compared in order to find an optimum adsorbent and a proper operating condition for a post combustion $CO_2$ capture process.
Keywords
Carbon dioxide; Zeolite; Fixed bed; Breakthrough; Adsorption; Desorption;
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Times Cited By KSCI : 1  (Citation Analysis)
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