화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2018년 봄 (04/25 ~ 04/27, 창원컨벤션센터)
권호 24권 1호, p.358
발표분야 생물화공
제목 Isotherm, Kinetic and Thermodynamic Characteristics of Adsorption of Cephalomine from Taxus chinensis onto Sylopute
초록 Abstract
Batch experimental studies were carried out on the adsorption of cephalomannine from Taxus chinensis using Sylopute while varying parameters such as initial cephalomannine concentrations, contact times and adsorption temperatures. The Temkin isotherm model showed good fit to the equilibrium adsorption data. It was found that adsorption capacity decreased with increasing temperature and the adsorption of cephalomannine onto Sylopute was favorable and physical in nature. The adsorption kinetics were well described by the pseudo-second-order kinetic model, while intraparticle diffusion and boundary layer diffusion did not play a dominant role in cephalomannine adsorption according to the intraparticle diffusion model. Thermodynamic parameters (△H°, △S°, △G°) revealed the exothermic, irreversible and non-spontaneous nature of adsorption.
Acknowledgment
This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (Grant Number: 2015016271).
저자 김현식, 김진현
소속 공주대
키워드 생물화공
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