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https://hdl.handle.net/2440/94175
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Type: | Journal article |
Title: | Characterizations of activated carbon-methanol adsorption pair including the heat of adsorptions |
Author: | Wu, J. Madani, S. Biggs, M. Phillip, P. Lei, C. Hu, E. |
Citation: | Journal of Chemical and Engineering Data, 2015; 60(6):1727-1731 |
Publisher: | American Chemical Society |
Issue Date: | 2015 |
ISSN: | 0021-9568 1520-5134 |
Statement of Responsibility: | Jun W. Wu, S. Hadi Madani, Mark J. Biggs, Pendleton Phillip, Chen Lei, and Eric J. Hu |
Abstract: | This paper presents adsorption isotherms and isosteric heats of adsorption for methanol vapor adsorption for two commercially available activated carbon samples - 207EA granules and WS-480 pellets (Calgon Carbon, U.S.A.) - which were also fully characterized using nitrogen sorption at 77 K. The heat of adsorption of methanol as a function of loading was determined using the Clausius−Clapeyron approach with isotherms obtained at 5 °C, 15 °C, and 25 °C. The isosteric heats of adsorption increased sharply at the small coverage due to increasing effect of condensation heat with coverage. The heat reached a maximum and then varies little with loading, with the average values at around 46.6 kJ/mol for 207EA and 45.1 kJ/mol for WS-480. The higher heats of adsorption for the former activated carbon reflect its more microporous nature (around 78% compare to 62% for WS-480 activated carbon). The heat of adsorption data is also comparable to that obtained elsewhere for other activated carbons |
Rights: | © 2015 American Chemical Society |
DOI: | 10.1021/je501113y |
Grant ID: | http://purl.org/au-research/grants/arc/DP110101293 http://purl.org/au-research/grants/arc/LP120200352 |
Published version: | http://dx.doi.org/10.1021/je501113y |
Appears in Collections: | Aurora harvest 2 Chemical Engineering publications |
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