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Adsorption equilibria for hydrogen and carbon dioxide on activated carbon at high pressure up to 30 atm

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Abstract

Equilibrium data for the adsorption of hydrogen, carbon dioxide, and binary mixture of both gases on activated carbon were determined experimentally. Pure component isotherms were presented along with pressures up to 30 atm at 301 K, 323 K and 348 K. Also, the binary equilibria were obtained at various temperatures same above for pressure of 1.5, 10 and 20 atm, respectively. For the pure component system, Freundlich isotherm was shown to be fitted best to the experimental results. However, in the binary system, the ideal adsorption solution (IAS) theory gave good representation of the binary experimental data in high pressure range.

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Abbreviations

a, al :

parameters for adsorption isotherm

b, bi :

parameters for adsorption isotherm

k, ki :

parameters for adsorption isotherm

m:

parameter for adsorption isotherm

N:

numbers of component

Nd :

numbers of data point

n:

parameter for adsorption isotherm

P:

total pressure

pi :

partial pressure of component i

q:

amount of adsorbed

q cal :

calculated value of adsorbed amount

q exp :

experimental value of adsorbed amount

Γ ii,Γij :

parameters for statistical thermodynamic model

i, j:

of component i, j

AD:

average percent deviation

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Authors and Affiliations

  1. Department of Chemical Engineering, Korea Advanced Institute of Science and Technology, 373-1, Ku Song Dong, Yusung Gu, Taejeon, Korea

    Kae Soon Hwang, Seong Yong Gong & Won Kook Lee

Authors
  1. Kae Soon Hwang
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  2. Seong Yong Gong
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  3. Won Kook Lee
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Hwang, K.S., Gong, S.Y. & Lee, W.K. Adsorption equilibria for hydrogen and carbon dioxide on activated carbon at high pressure up to 30 atm. Korean J. Chem. Eng. 8, 148–155 (1991). https://doi.org/10.1007/BF02706676

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  • DOI: https://doi.org/10.1007/BF02706676

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