Title:
Experimental and Numerical Investigation of the Air Ratio on the Tar Content in the Syngas of a Two-Stage Gasifier
Author(s):
Berger, B., Bacq, A., Jeanmart, H., Bourgois, F.
Document(s):
Paper
Abstract:
This paper reports the experimental results obtained on a two-sage gasification pilot plant base on the NOTAR® concept. The facility is described together with the main adjustable parameters. Among them, the air ratio determining the amount of air introduced in the pyrolyzer is further studied. Two experimental campaigns show that the air ratio has an influence on the gas quality. First, the upper and lower limits for the ratio are examined based on the gas quality and operating conditions. Then, in the defined interval, the ratio of 0.28 is shown to be close the optimum value. However, as long as the pyrolyzer operated at sufficiently high temperature, no significant influence of the air ratio on the tar content of the syngas has been observed. This is confirmed by numerical simulations where the impact of the air ratio on the tar decrease in the combustion zone is studied.
Keywords:
gasification, syngas, tar
Topic:
Plenaries
Subtopic:
Plenary session on 5 May - Wednesday
Event:
18th European Biomass Conference and Exhibition
Session:
PC1.2
Pages:
20 - 25
ISBN-13:
978-88-89407-56-1
ISBN-10:
88-89407-56-5
Paper DOI:
10.5071/18thEUBCE2010-PC1.2
Price:
FREE
