용액 흡착에서의 표면 과잉과 침잠열 Surface Excess and Heat of Immersion in the Adsorption from Solutions

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The surface excess and the heat of immersion in the adsorption from solutions were calorimetrically investigated for the benzene-ethanol mixtures on activated carbon powder. The surface excess and the heat of immersion, derived from the Gibbs adsorption equation and the adsorption capacity ratio representing the surface areas occupied, were calculated incorporating the UNIQUAC and its two-dimensional image for the adsorbed phase, and compared with Schay`s surface excess data and the heats of immersion measured with the solution calorimeter. Approximating the localized adsorption interacting only with bulk phase and the excluded volume effect, the heats of immersion were satisfactorily calculated from the adsorption parameters optimized with the excess data.
Publisher
한국화학공학회
Issue Date
1987-02
Language
Korean
Citation

KOREAN CHEMICAL ENGINEERING RESEARCH(HWAHAK KONGHAK), v.25, no.1, pp.27 - 34

ISSN
0304-128X
URI
http://hdl.handle.net/10203/65963
Appears in Collection
CBE-Journal Papers(저널논문)
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