Analysis of biomass and sewage sludge devolatilization using the distributed activation energy model. Articles uri icon

publication date

  • January 2013

start page

  • 239

end page

  • 244

issue

  • 65

International Standard Serial Number (ISSN)

  • 0196-8904

Electronic International Standard Serial Number (EISSN)

  • 1879-2227

abstract

  • The thermal decomposition of biomass (pine pellets) and sewage sludge was studied using thermogravimetric analysis under an inert atmosphere and the Distributed Activation Energy Model (DAEM) was employed. The activation energy and the frequency factor that characterize the kinetics were determined for both samples. A simplification of the process for prediction of devolatilization curves was proposed, evaluating its validity for both cases. The simplified method was found to combine both simplicity and low deviations with experimental data.

keywords

  • daem; biomass devolatilization; pyrolysis kinetics; sewage sludge