期刊
JOURNAL OF CHEMICAL AND ENGINEERING DATA
卷 56, 期 3, 页码 390-397出版社
AMER CHEMICAL SOC
DOI: 10.1021/je1007668
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资金
- Army Research Office [W911NF-10-1-0076]
An impregnated activated carbon (I-AC) has been charaeteritic using SEM, EDS, and nitrogen. adsorption for micropore structure analysis. A detailed experimental study has been made of adsorption of pure methane, carbon dioxide, and carbon monoxide at various temperatures [(298 to 318)K] and pressures upto 24 bar. Multitemperature isotherms were modeled using the Toth equation to obtain useful thermodynamic properties including Henry's law constants and isosteric heats of adsorption. compared with other activated carbon materials, this impregnated carbon has a decreased surface area and more heterogeneous sites On the surface CO appears to undergo chemisorption in the impregnated carbon, as indicated by a hysteresis loop upon desorption. The effect becomes more pronounced with increasing temperature.
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