Combustion of coal in high temperature oxygen diluted and oxygen enriched conditions
2006 (English)In: A and WM, Annual International Conference on Incineration and Thermal Treatment Technologies, IT3, 2006, 202-216 p.Conference paper (Refereed)
In this investigation, coal pellets were combusted using a high temperature oxidizer (600-1000°C), both in oxygen diluted and oxygen enriched conditions, using a small scale batch reactor able to preheat the oxidizer to 1000°C. The combustion process and flame are described and mass, temperature and heating rate as function of time for different oxidizer compositions and temperature discussed. The results show that high temperature conditions gives the highest mass loss rates. The influence of oxygen concentration on mass loss rate is more evidenced for enriched conditions and/or lower oxidizer temperatures. Diluted conditions are associated with large flames while a typical flame downstream from the sample was almost absent for oxygen concentrations above 50%. Ignition time is highly dependent on oxygen concentration only when a 600°C oxidizer was used while almost independent when a 1000°C oxidizer was used.
Place, publisher, year, edition, pages
2006. 202-216 p.
, A and WM, Annual International Conference on Incineration and Thermal Treatment Technologies, IT3, 1
Batch reactors, Concentration (process), Dilution, Heating rate, High temperature operations, Oxygen, Coal pellets, Mass loss rates, Oxidizers, Coal combustion
IdentifiersURN: urn:nbn:se:kth:diva-155860ScopusID: 2-s2.0-33947380175ISBN: 0923204849ISBN: 9780923204846OAI: oai:DiVA.org:kth-155860DiVA: diva2:764361
A and WM, 25th Annual International Conference on Incineration and Thermal Treatment Technologies, IT3., 15 May 2006 through 19 May 2006, Savannah, GA
QC 201411182014-11-192014-11-132014-11-19Bibliographically approved