Analysis of some adsorption experiments with activated carbon
β Scribed by Ivars Neretnieks
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- English
- Weight
- 727 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0009-2509
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High-pressure adsorption data for methane, ethane, ethylene, propane, carbon dioxide, and nitrogen on activated carbon were analyzed to determine adsorption entropies. Thermal entropies associated with two phase and localized adsorbed phase models were evaluated. It was found that for each gas at a
is some diffeience in nitrogen adsorption in .large micropores and on the surface of mesopores. This actually constitutes a principal setback of nitrogen as a reference vapor. Thus, thanks to the much lower adsorbability of nitrogen in comparison with benzene under similar conditions, nitrogen is l
Chars, prepared by pyrolysis of prune pits at I or lS"C/min to 500, 700 or 9OO"C, were subsequently gasified by CO, at 900Β°C. Pyrolysis conditions did not significantly affect the porosity developed for a given mass loss due specifically to gasification reactions, i.e. excluding additional pyrolytic