The effect of near-critical conditions on the adsorption breakthrough curves of three different solutes in supercritical carbon dioxide was studied in a fixed bed adsorber using a bonded silica stationary phase. The experimental data were taken at two different temperature conditions (308 and 323 K
Adsorption of Supercritical Fluids
β Scribed by Grigoriy L. Aranovich; Marc D. Donohue
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 145 KB
- Volume
- 180
- Category
- Article
- ISSN
- 0021-9797
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β¦ Synopsis
The goal of this paper is to present a simple and explicit Adsorption isotherms for supercritical fluids are calculated usmodel for the adsorption isotherms of supercritical fluids on ing lattice theory. Results are compared with experimental data solids.
for methane on graphon and for carbon dioxide on coal. It is shown that the model reflects the peculiar features in adsorption isotherms of supercritical fluids (in particular, a maximum in the MODEL adsorption with increasing pressure). The analysis shows that there is two layer adsorption over a wide range of densities.
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## Abstract An automated setup for onβline solid phase adsorption (SPA)/supercritical fluid extraction (SFE)/supercritical fluid chromatography (SFC) was evaluated. Low nanogram amounts of analytes dissolved in ethanol were delivered in the form of injections (β₯ 10 ΞΌL) to the solid phase adsorbent