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Title:
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Tar in Biomass Producer Gas
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Author(s):
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Published by:
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Publication date:
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ECN
Biomass, Coal and Environmental Research
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23-7-2010
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ECN report number:
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Document type:
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ECN-W--10-024
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Article (scientific)
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Number of pages:
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10
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Published in: Energy & Fuels (American Chemical Society), , 2009, Vol.23, 6189–6198, p.6189-6198.
Abstract:
Biomass gasification at temperatures below 1300 C yields producer gas with a range of heavy hydrocarbons.
These compounds, collectively known as tar, cause fouling and emission problems in equipment
using the producer gas. This paper gives an overview of the work performed at the Energy research Centre
of The Netherlands (ECN) on tar measurement, tar prevention, tar cracking, and tar removal. Much of the
work has been performed in cooperation with partner institutes and industry. Measurement techniques
discussed are the tar guideline, solid-phase adsorption (SPA) method, and tar dew point analyzer. On the
subject of tar prevention, the effects of operating conditions, fuel composition, and bed materials in
fluidized-bed gasifiers are covered. Tar cracking results are presented for catalytic materials, hightemperature
treatment, and the use of plasma. ECN research on tar removal involves among others the
development of the water-based GASREIP system and the oil-based OLGA technique.
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