Adsorptive Separation of Freon by Microwave Irradiation

마이크로파를 이용한 프레온의 흡착분리

  • 김윤갑 (계명전문대학 환경공업과) ;
  • 소림오 (일본 국립자원환경기술종합연구소, 영남대학교 화학공학과, 영남대학교 화학공학과, 일본 국립자원환경기술종합연구소, 일본 국립자원환경기술종합연구소)
  • Published : 1998.04.01


Gas adsorption on adsorbents depends on temperatures and pressures. When these parameters are fixed, the adsorption capability and selectivity can not be changed. If the gas adsorption is controlled by another factor like electromagnetic field, the adsorption and desorption can be managed by much intentional way. The microwave has characteristics to excite particular components such as water without destroying it. In this study, microwave was irradiated to the adsorbent of an NaY zeolite which is almost transparent to microwave. As vapor of 1, 1, 2- trichloro-1, 2, 2-trifluoroethane (CFC-113) and water flowed simultaneously on the zeolite packed in a column at room temperature, only water was adsorbed. The . adsorbed water was removed from the zeolite and then replaced by CFC-113, since the microwave was irradiated. Greater the power of microwave was, more CFC-113 was adsorbed. The water adsorption took place again after a latent period by stopping the microwave irradiation.




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