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Cogeneration and Trigeneration in Small-Scale Biomass Plants: State-of-Art and Advanced Concepts
Helsinki University of Technology. (Energy Engineering and Environmental Protection)ORCID iD: 0000-0002-3950-0809
KTH, Superseded Departments, Energy Technology.
KTH, Superseded Departments, Energy Technology.ORCID iD: 0000-0002-3661-7016
Helsinki University of Technology. (Energy Engineering and Environmental Protection)
2003 (English)In: 16th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems / [ed] Houbak, Niels; Elmegaard, Brian; Qvale, Einar Bjørn; Moran, Michael J., Denmark: DTU, Technical University of Denmark , 2003Conference paper, Published paper (Refereed)
Abstract [en]

Small-scale biomass plants (< 20 MWe) represent a future possibility for an expansion of distributed generation using indigenous resources in Scandinavia. Today’s plants are typically operated in cogeneration mode but are characterized by low power-to-heat ratios and higher generation costs as compared to large-scale plants. However, the efficient use of biomass in a sustainable scheme requires the development of more efficient energy conversion systems. This paper explores possibilities to reach higher power-to-heat ratios and higher total efficiency levels with small-scale biomass plants producing electricity, district heat and/or district cooling (trigeneration). The analysis is based on flowsheet simulations of two modern cogeneration plants. Biomass pyrolysis and biomass gasification are combined with these base processes and the effect of the pyrolysed and gasified biomass amount to the power-to-heat ratios, electrical efficiencies and total efficiencies are simulated. Also district cooling production in trigeneration mode is studied as one promising option to increase the energy utilization of these processes. Advanced configurations for trigeneration are also discussed.

Place, publisher, year, edition, pages
Denmark: DTU, Technical University of Denmark , 2003.
Keyword [en]
Biomass, Combined heat and power, Small-scale, Low CO2 emissions, trigeneration
National Category
Energy Engineering
Research subject
SRA - Energy
Identifiers
URN: urn:nbn:se:kth:diva-47890OAI: oai:DiVA.org:kth-47890DiVA: diva2:456538
Conference
16th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems, June 30 - July 2, 2003. Copenhagen, Denmark
Funder
StandUp
Note

QC 20111115

NR 20140804Available from: 2011-11-15 Created: 2011-11-15 Last updated: 2014-04-07Bibliographically approved

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Savola, TuulaMartin, Andrew

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CiteExportLink to record
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