Nitric oxide yield from combustion of a low calorific gasification product gas: Numerical and experimental study

Anders Brink, Mikko Hupa, Esa Kurkela, Marjut Suomalainen

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Abstract

The nitrogen oxide yield in a combustor burning an ammonia rich product gas from a bubbling bed gasifier has been investigated. The measurements showed a surprisingly small effect of the excess air in the combustor on the NOx emissions. To understand the reason for this behaviour the nitrogen chemistry in the combustor has been studied using CFD combined with a detailed description of the fuel-N chemistry. With higher oxygen excess a NOx yield of 22% is calculated compared to a measured NOx yield of 21 %. In the case with lower oxygen excess the corresponding numbers are 20% and 18%, respectively.

Original languageEnglish
Pages (from-to)217-224
Number of pages8
JournalProgress in Computational Fluid Dynamics
Volume6
Issue number4-5
DOIs
Publication statusPublished - 14 Jul 2006
MoE publication typeNot Eligible

Keywords

  • CFD modelling
  • Fuel-nitrogen conversion
  • Gasification gas combustion

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