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Abstract / Description of output
The definitions of absolute, excess and net adsorption in microporous materials are used to identify the correct limits at zero and infinite pressure. Absolute adsorption is shown to be the fundamental thermodynamic property and methods to determine the solid density that includes the micropore volume are discussed. A simple means to define when it is necessary to distinguish between the three definitions at low pressure is presented. To highlight the practical implications of the analysis the case of adsorption of helium is considered in detail and a combination of experiments and molecular simulations is used to clarify how to interpret adsorption measurements for weakly adsorbed components.
Original language | English |
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Journal | Adsorption |
Early online date | 1 Feb 2016 |
DOIs | |
Publication status | E-pub ahead of print - 1 Feb 2016 |
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Dive into the research topics of 'Net, excess and absolute adsorption and adsorption of helium'. Together they form a unique fingerprint.Projects
- 1 Finished
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AMPGas: Adsorption Materials and Processes for Carbon Capture from Gas-Fired Power Palnts - AMPGas
1/09/12 → 31/08/16
Project: Research