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ECN publicatie:
Benzene and ethylene in bio-SNG production: nuisance, fuel or valuable products?
Gepubliceerd door: Publicatie datum:
ECN Biomassa, Kolen en Milieuonderzoek 2-11-2011
ECN publicatienummer: Publicatie type:
ECN-M--11-092 Conferentiebijdrage
Aantal pagina's: Volledige tekst:
34 Download PDF  (1836kB)

Gasification of biomass with the aim to produce Substitute Natural Gas (SNG) is best performed at temperatures around 850°C, where 50% of the combustion value of the producer gas is concentrated in hydrocarbons. After removal of the heavy hydrocarbons (i.e. tar) and sulphur components, the producer gas can be converted catalytically to a mixture of mainly methane, carbon dioxide and water. Using producer gas as intermediate instead of syngas can lead to 10% higher efficiency, as producer gas does contain a significant amount of methane already and because less heat is evolved in the conversion of the remainder than for a mixture of carbon monoxide and hydrogen.

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