화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.10, No.4, 504-510, July, 2004
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Removal of Toxic Gases on Strong/and Weak-Base Anion Exchange Fibers
Young-Su Kim, Taek-Sung Hwang†, Hyung-Keun Lee1, Jin-Won Park2, and Sun-Mi Kim
  • Department of Chemical Engineering, Chungnam National University, Daejeon 305-764, Korea
  • 1Korea Institute of Energy Research, Daejeon 305-345, Korea
  • 2KT&G Central Research, Daejeon 305-345, Korea
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In this study, a strong-base ion exchange fiber, APP-g-GMA, was synthesized by grafting GMA onto a PP trunk polymer, using an E-beam accelerator for the purpose of pre-irradiation, in order to remove sulfur dioxide and nitrogen dioxide. A weak-base ion exchange fiber, AN-co-MMA, was spun by wet-spinning and was functionalized by hydrolysis. To determine the effects of various conditions, such as the SO2 and NO2 concentrations and the water content in the column, we investigated the adsorption for SO2 and NO2 over two types of fibrous ion-exchangers. The adsorption rate constants were calculated from macroscopic models by a linear square fitting method. SO2 and NO2 removal on the fibrous ion-exchangers both depend on the initial concentration of SO2 and NO2. The removal efficiency of NO2 and SO2 on the weak-base anion exchange fiber was slightly affected by initial water contents of > 10 g. Also, the removal efficiency of NO2 on the strong-base ion exchange fiber was slightly dependent on the initial water content at a water content of > 20 g.
Keywords:fibrous ion exchanger;sulfur dioxide;nitrogen dioxide;gas removal
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