It is considered that one requirement (among others) for the Dubinin equation to linearise adsorption isotherms of carbons is the forces of adsorption should be essentially non-polar, Van der Waals forces. To test this assumption molecules with permanent dipoles, e.g. NH3 and H2S have been adsorbed
Factors affecting the product ratio of the carbon-oxygen reaction—II. Reaction temperature
✍ Scribed by Roger Phillips; F.J. Vastola; P.L. Walker Jr.
- Publisher
- Elsevier Science
- Year
- 1970
- Tongue
- English
- Weight
- 515 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0008-6223
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The reaction of Graphon with O2 has been studied at 625°C in a static system, using initial O2 pressures between 25 and 750 mTorr. and samples pre-oxidized to varying degrees of burn-off between 0 and 20 per cent. The reaction temperature was low enough for secondary reactions to be neglected. A mas
The reaction of highly crystalline graphite flakes at 02 pressures between 0.1-6.4 MPa and temperatures between 733-842 K is followed. The global activation energy for the reaction is 204 ? 4 kJ/ mole and is independent of carbon bumoff and O2 pressure. The order of the reaction decreases from 0.83