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http://dx.doi.org/10.12925/jkocs.2012.29.1.1

A Study on the Low Concentration Carbon Dioxide Adsorbent and Optimal Conditions  

Lee, Ju-Yeol (Technology Institute, Anytech Co., Ltd.)
Park, Duck-Shin (Korea Railroad Research Institute)
Cho, Young-Min (Korea Railroad Research Institute)
Kwon, Soon-Park (Korea Railroad Research Institute)
Hwang, Yoon-Ho (Technology Institute, Anytech Co., Ltd.)
Song, Hyung-Jin (Technology Institute, Anytech Co., Ltd.)
Lee, Sang-Bong (Technology Institute, Anytech Co., Ltd.)
Publication Information
Journal of the Korean Applied Science and Technology / v.29, no.1, 2012 , pp. 1-12 More about this Journal
Abstract
In this study, $CO_2$ adsorbent was developed for removing low concentration of $CO_2$ in multiple-use facilities. The efficiency of the adsorbent which was improved selective $CO_2$ adsorption capabilities was evaluated. The pellet type adsorbent was modified from a commercial zeolite with mixing LiOH, binder, additives, and $H_2O$. Column tests showed over 90 % of $CO_2$ was adsorbed within 400min. Chamber tests including batch and continuous types were performed for evaluating the adsorbent module. By batch tests, it was evaluated that about 92% of $CO_2$ was removed within 30 min. By continuous tests, 70% of $CO_2$ was removed within 30 min. It was analyzed that over 2,500 ppm of $CO_2$ was continuously removed as shown chamber tests. The reproducibility tests repeatedly performed for 15 days shows that over 1,000 ppm of $CO_2$ was continuously removed. Adsorption capacity of the developed adsorbent was 5.0mmol $CO_2/g$ adsorbent which was analyzed by TGA. It was estimated that the modified adsorbent was applicable to low $CO_2$ concentration and low temperature of indoor environment.
Keywords
carbon dioxide; adsorption; air cleaning; column test; chamber test;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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