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Behaviour of Acidic Gases(SOx, NOx) Adsorption on Aminated PP-g-AAc Ultrafine Fibrous Ion Exchanger  

Choi, Yong-Jae (Department of Chemical Engineering, Chungnam National University)
Choi, Kuk-Jong (Department of Chemical Engineering, Chungnam National University)
Lee, Chang-Soo (Department of Chemical Engineering, Chungnam National University)
Hwang, Taek-Sung (Department of Chemical Engineering, Chungnam National University)
Publication Information
Polymer(Korea) / v.33, no.1, 2009 , pp. 72-78 More about this Journal
Abstract
In this study, the behaviour of $SO_2$ and $NO_2$ adsorption on aminated ultrafine fibrous PP-g-AAc ion exchanger was investigated, The amount of adsorbed $SO_2$ increased with increasing the initial concentration of $SO_2$. The adsorption breakthrough time in the low concentration of $SO_2$ was faster than high concentration. The adsorption breakthrough occurred within 60 min. Approximately 80% of $SO_2$ was adsorbed below 100 ppm $SO_2$ and 90% of $SO_2$ over 100 ppm $SO_2$ respectively. The selective adsorption rate for $NO_2$ was lower than that of $SO_2$. The adsorption rate for $SO_2$ was decreased with increasing flow rate and that of $NO_2$ was 60%. The breakthrough occurred within 60 min. The adsorption rate for $SO_2$ was 92% in the 250 mL/g water content. Isotherm adsorption model for $SO_2$ was close to the Langmuir rather than Freundlich model.
Keywords
anion ion exchanger; adsorption; $NO_2$; $SO_2$; kinetic;
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