화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2003년 가을 (10/24 ~ 10/25, 한양대학교)
권호 9권 2호, p.1889
발표분야 분리기술
제목 Study on ethylene adsorption characteristics by newly prepared adsorbent
초록 Ethylene is one of the basic staring materials in petrochemical industries. The saparation of ethylene from ethane has been operated by energy intensive distillation. To produce high concentration of ethylene, new adsorbents were synthesized by incipient wetness method of Ag+. Cahn balance was used to measure pure isotherms of C2H6 and C2H4 and volumetric apparatus was used to measure C2H4-C2H6 binary isotherms. Adsorption isotherms of pure gases were measured at 298.15K, 323.15K and 353.15K, pressure ranges are from 0 to 5100mmHg. Pure ethane isotherm showed good agreement with Langmuir isotherm and pure ethylene isotherm showed good agreement with Langmuir+Freundlich and Langmuir+Unilan isotherms which were derived from considering physical site and chemical site. The decrease in isosteric heats of adsorption of ethylene with increasing the coverage was observed and the same result in case of ethane. Langmuir+Ferundlich, Toth adsorption isotherm and ideal adsorbed solution(IAS) model were used to calculate isosteric heats of adsorption, binary isotherms. Experimental breakthrough results showed the possibility of ethylene purification from C2 mixture.
저자 손의락1, 한상섭1, 범희태1, 박종호1, 김종남1, 이태종2, 조순행1
소속 1한국에너지기술(연), 2경북대
키워드 pi complexation;ethylene; AgNo3
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