Bio-methane via fast pyrolysis of biomass

Martin Görling, Mårten Larsson and Per Alvfors

Applied Energy, 2013, vol. 112, issue C, 440-447

Abstract: Bio-methane, a renewable vehicle fuel, is today produced by anaerobic digestion and a 2nd generation production route via gasification is under development. This paper proposes a poly-generation plant that produces bio-methane, bio-char and heat via fast pyrolysis of biomass. The energy and material flows for the fuel synthesis are calculated by process simulation in Aspen Plus®. The production of bio-methane and bio-char amounts to 15.5MW and 3.7MW, when the total inputs are 23MW raw biomass and 1.39MW electricity respectively (HHV basis). The results indicate an overall efficiency of 84% including high-temperature heat and the biomass to bio-methane yield amounts to 83% after allocation of the biomass input to the final products (HHV basis). The overall energy efficiency is higher for the suggested plant than for the gasification production route and is therefore a competitive route for bio-methane production.

Keywords: Bio-methane; Bio-oil; Biomass; Pyrolysis; SNG; Synthetic natural gas (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (11)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:112:y:2013:i:c:p:440-447

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DOI: 10.1016/j.apenergy.2013.01.002

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