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Gas/vapor flow microcalorimetry on porous carbons I. Heat of adsorption of toluene on a microporous carbon

✍ Scribed by P.J. Reucroft; D. Rivin

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
451 KB
Volume
35
Category
Article
ISSN
0008-6223

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✦ Synopsis

The heat of adsorption of toluene on Maxsorb AW20, a high surface area microporous activated carbon, has been determined by flow microcalorimetry (FMC) at pore fill fractions ranging from 0.5 to 0.95. Consistent determination of the integral molar heat of adsorption requires independent measurement of the equilibrium adsorption isotherm. Molar heats determined from FMC/isotherm data are in qualitative agreement with molar heats obtained from FMC results and the adsorption amount determined with a down stream detector (DSD). Differential heats of adsorptionjdesorption are in good agreement with the integral heat of adsorption data over the fill fraction range investigated.

πŸ“œ SIMILAR VOLUMES

The Gas-Solid Interface Heats of Adsorpt
The Gas-Solid Interface Heats of Adsorption of Simple Molecules on Microporous Carbons and on Graphitized Carbon Blacks, at Low Surface Coverage
✍ Fritz Stoeckli πŸ“‚ Article πŸ“… 1974 πŸ› John Wiley and Sons 🌐 German βš– 258 KB

## Abstract The heats of adsorption of nitrogen, argon, xenon, pentane, cyclohexane and benzene on a typical microporous carbon have been measured by gas‐solid chromatography. An overall comparison of the limiting heats of adsorption on active carbons and on graphitized carbon blacks shows a ratio