Title:
Tar Analysis in Syngas from Biomass Gasification: Comparison of Different Methods
Author(s):
Ravel, S., Thiery, S., Dufour, A., Masson, E.
Document(s):
Paper
Abstract:
This paper deals with an important point for biomass gasification processes: the measurement of tars. The well known tar protocol technique is reliable but not very simple to implement in different points of a process and it is not precise for low concentrations of tars (<100 mg/Nm3). Tests were performed using a pilot scale fluidized bed producing a real syngas. Tar were measured in a wide range of concentration from mg to g/ Nm3. Tar protocol has been compared with µGC analysis (for benzene and toluene) and with SPA (Solid Phase Adsorption) technique. SPA probes are analyzed using thermo desorption coupled with GC/FID technique. Results show that tar protocol and µGC are in good agreement. SPA provides also consistent results for benzene and toluene. SPA values obtained for naphtalene are more scattered for high concentration and over estimated for low concentration. It appears that SPA is a simple and convenient method for tar measurement but it is necessary to be very conscientious during the sampling allowing a representative sample and avoiding pollution of probes.
Keywords:
analysis, biomass, gasification, sampling, syngas, tar
Topic:
Thermochemical conversion - Gasification for synthesis gas production
Subtopic:
Gasification for synthesis gas production
Event:
18th European Biomass Conference and Exhibition
Session:
VP2.2.25
Pages:
880 - 884
ISBN-13:
978-88-89407-56-1
ISBN-10:
88-89407-56-5
Paper DOI:
10.5071/18thEUBCE2010-VP2.2.25
Price:
FREE
