A new technique is described for quantitative measurement of the conditions of reactant concentration at ignition in mixtures of carbon monoxide and oxygen. A thin film of carbon covering the surface of a quartz reaction vessel reacted with oxygen to form carbon monoxide and small quantities of wate
The explosive reaction of carbon monoxide and oxygen at 973 and 1048 K
β Scribed by S. Ahmed; M. H. Back
- Publisher
- John Wiley and Sons
- Year
- 1986
- Tongue
- English
- Weight
- 783 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0538-8066
No coin nor oath required. For personal study only.
β¦ Synopsis
Conditions leading to an explosive reaction of carbon monoxide and oxygen in the presence of small amounts of water have been examined at temperatures of 973 and 1048 K. Carbon monoxide and water were formed in the presence of oxygen by reaction with a thin film of carbon deposited on a quartz vessel. The carbon provided a reactive and reproducible surface, giving a consistent rate of termination and thus allowing a quantitative description of the conditions a t the explosion in the region of the first limit. Calculations of the rates of the various branching and termination reactions a t the onset of the explosion showed that the simple mechanism described earlier was still adequate to explain the reaction at temperatures up to 1050 K. From experiments with inert gases the transition from the first explosion limit to the region of the second explosion limit was demonstrated.
π SIMILAR VOLUMES
The reaction between ozone and carbon monoxide was reinvestigated in the range of 80-160Β°C. The previously reported rate law -d[O,l/dt = k.[o,][Co] + k,[0,l2 was confirmed and simulated using a mechanism based on an impurity-initiated chain reaction. When the CO was sufficiently purified, k, tended
The so.called low pressure glow and explosion limits of the water-cataiysed reaction between carbon monoxide and oxygen have been studied using a photomultiplier to obtain light intensity/time graphs. The results show no sign of a glow limit, and little discontinuity at the explosion limit. The effe