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Preparation of Hybrid Cation Ion Exchange Fibers by Web Spray and Their Adsorption Properties for Ammonia Gas  

Park, Seong-Wook (Department of Chemical & Biological Engineering, College of Engineering, Chungnam National University)
Lee, Hoo-Kun (Kael Co. Ltd.)
Rhee, Young-Woo (Department of Chemical & Biological Engineering, College of Engineering, Chungnam National University)
Jung, Boo-Young (Korea Institute of Footwear & Learther Technology)
Hwang, Taek-Sung (Department of Chemical & Biological Engineering, College of Engineering, Chungnam National University)
Publication Information
Polymer(Korea) / v.31, no.6, 2007 , pp. 479-484 More about this Journal
Abstract
In this study, the hybrid ion exchange fibers (HIEF) were prepared by using web spraying muthod with hot melt adhesive. Characteristics of HIEF and their adsorption properties for ammonia gas were investigated. The ion exchange capacity (IEC) of HIEF was increased with increasing the resin contents and their values were higher than those of pure resin and ion exchange fabrics. The removal efficiency for ammonia gas increased with an increase in packing density of hybrid ion exchange fabrics in the column. The adsorption breakthrough time was 270 min, which was slower than those of the resin and fibers. The maximum value of adsorption for ammonia gas was 94%. The breakthrough time was also increased with increasing the concentration and flow rate of ammonia gas. The reaction constant(k) for ammonia gas was increased with increasing the concentration and flow rate of the gas, while it was decreased an the mass was increased.
Keywords
hybrid ion exchange fabrics; web spray; ammonia gas; adsorption;
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