Journal
JOURNAL OF CHEMICAL AND ENGINEERING DATA
Volume 55, Issue 8, Pages 2840-2847Publisher
AMER CHEMICAL SOC
DOI: 10.1021/je901011c
Keywords
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Funding
- World Class University (WCU) [R33-2009-000-1966-0]
- National Research Foundation, Korea [R265-000-268-305]
- A*STAR/MPA, Singapore [R265-000-286-597]
- King Abdullah University of Science and Technology (KAUST), KSA
- National Research Foundation of Korea [R33-2008-000-10166-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This article presents the adsorption isotherms of methane onto two different types of activated carbons, namely, Maxsorb III and ACF (A-20) at temperatures from (5 to 75) degrees C and pressures up to 2.5 MPa. The volumetric technique has been employed to measure the adsorption isotherms. The experimental results presented herein demonstrate the improved accuracy of the uptake values compared with previous measurement techniques for similar adsorbate adsorbent combinations. The results are analyzed with various adsorption isotherm models. The heat of adsorption, which is concentration and temperature dependent, has been calculated from the measured isotherm data. Henry's law coefficients for these adsorbent-methane pairs are also evaluated at various temperatures.
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