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Adsorption of Cephalomannine onto Sylopute: Isotherm, Kinetic and Thermodynamic Characteristics
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실로퓨트의 세팔로마닌 흡착: 등온흡착식 및 속도론적·열역학적 특성

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Type
Academic journal
Author
Kim, Hyunsik (공주대학교 화학공학부) Kim, Jin-Hyun (공주대학교 화학공학부)
Journal
한국화학공학회 화학공학 화학공학 제57권 제2호 KCI Accredited Journals SCOPUS
Published
2019.1
Pages
219 - 224 (6page)

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Adsorption of Cephalomannine onto Sylopute: Isotherm, Kinetic and Thermodynamic Characteristics
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In this study, the adsorption characteristics of cephalomannine on commercial adsorbent Sylopute were investigated using different parameters such as adsorption temperature, time, and initial cephalomannine concentration for the efficient separation of Taxus chinensis-derived cephalomannine by adsorption process. The Temkin isotherm model showed good fit to the equilibrium adsorption data. The adsorption capacity decreased with increasing temperature and the adsorption of cephalomannine onto Sylopute was physical in nature. Adsorption kinetic data fitted well with pseudo-second-order kinetic mode. According to the intraparticle diffusion model, film diffusion and intraparticle diffusion did not play a key role in the entire adsorption process. The process of cephalomannine adsorption onto Sylopute was exothermic and spontaneous. In addition, the isosteric heat of adsorption was constant even with variation in surface loading indicating homogeneous surface coverage.
#Cephalomannine #Sylopute #Adsorption isotherm #Kinetics #Thermodynamics

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