Cited by 105Thermochemical Biomass Conversion ProcessesMining and Gasification TechnologiesAnaerobic Digestion and Biogas Production

Performance of large-scale biomass gasifiers in a biorefinery, a state-of-the-art reference: Evaluation of the GoBiGas gasifier

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Alamia, Alberto, Larsson, Anton, Breitholtz, Claes, Thunman, Henrik·2017·International Journal of Energy Research

Abstract

The Gothenburg Biomass Gasification plant (2015) is currently the largest plant in the world producing biomethane (20 MWbiomethane) from woody biomass. We present the experimental data from the first measurement campaign and evaluate the mass and energy balances of the gasification sections at the plant. Measures improving the efficiency including the use of additives (potassium and sulfur), high-temperature pre-heating of the inlet streams, improved insulation of the reactors, drying of the biomass and introduction of electricity as a heat source (power-to-gas) are investigated with simulations. The cold gas efficiency was calculated in 71.7%LHVdaf using dried biomass (8% moist). The gasifier reaches high fuel conversion, with char gasification of 54%, and the fraction of the volatiles is converted to methane of 34%mass. Because of the design, the heat losses are significant (5.2%LHVdaf), which affect the efficiency. The combination of potential improvements can increase the cold gas efficiency to 83.5%LHVdaf, which is technically feasible in a commercial plant. The experience gained from the Gothenburg Biomass Gasification plant reveals the strong potential biomass gasification at large scale. © 2017 The Authors. International Journal of Energy Research published by John Wiley & Sons Ltd.

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Crossref · 10.1002/er.3758

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Authors
Alamia, A., Larsson, A., Breitholtz, C., & Thunman, H.
Affiliations
  • Chalmers University of Technology (SE)
  • Göteborg Energi (Sweden) (SE)
  • Valmet (Sweden) (SE)
Corresponding author
Alamia, Alberto
Venue
International Journal of Energy Research
Publisher
Wiley
Published
2017-05-29
Volume
41
Issue
14
Pages
2001-2019
ISSN
0363-907X (ISSN-L)
OpenAlex
W2616929467
Cited by
105
References
43
Citations by year
2026: 4 · 2025: 11 · 2024: 6 · 2023: 13 · 2022: 12 · 2021: 14 · 2020: 14 · 2019: 17 · 2018: 9 · 2017: 5
FWCI
5.54
Type
journal article
Language
en
Open access
Locations
  • International Journal of Energy Research (publishedVersion, cc-by-nc-nd)
  • Chalmers Publication Library (Chalmers University of Technology) (submittedVersion)
  • Chalmers Research (Chalmers University of Technology) (submittedVersion)
Funders
  • Energimyndigheten
  • Göteborg Energi
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Thermochemical Biomass Conversion Processes
  • Physical Sciences › Engineering › Mechanical Engineering › Mining and Gasification Technologies
  • Physical Sciences › Engineering › Building and Construction › Anaerobic Digestion and Biogas Production
Keywords
biomass gasification, woody biomass, biomethane, cold gas efficiency, mass and energy balance, potassium additive, sulfur additive, biomass drying, power-to-gas, heat loss, char gasification, biorefinery

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