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Integration of a hemicellulose extraction process into a biomass based heat and power plant
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0002-2314-8097
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.
2009 (English)In: Proceedings of ECOS 2009: 22nd International Conference on Efficiency, Cost, Optimization Simulation and Environmental Impact of Energy Systems, Foz do Iguaçú: ABCM, Brazilian Society of Mechanical Sciences and Engineering , 2009Conference paper, Published paper (Refereed)
Abstract [en]

The development of processes where lignocellulosic biomass can be refined to several different end-products in the same plant, i.e. a biorefinery, will be important in the development towards a more sustainable society where fossil fuels are replaced. This paper presents the idea to integrate the production of green chemicals via hot water hemicellulose extraction of birch wood (hardwood) into a small-scale combined heat and power plant (CHP), in this case an externally fired gas turbine. A techno-economically successful concept could provide the option to turn a small- to medium scale CHP plant into a small- to medium scale biorefinery. The results show that the extracted wood-chips would serve very well as a fuel for combustion and gasification processes due to the relatively high heating value, low ash content and significantly lower concentrations of alkali metals. Under the assumed economic conditions, electricity can be produced to a cost in the range of €85.6 to €196.2 per MWhel and a fermentable feedstock stream with a xylose concentration of 65 g/L to a cost in between €0.44 to €4.15 per kg xylose depending on plant size and number of annual operational hours.

Place, publisher, year, edition, pages
Foz do Iguaçú: ABCM, Brazilian Society of Mechanical Sciences and Engineering , 2009.
National Category
Energy Engineering Bioprocess Technology
Research subject
Energy Engineering; Biochemical Process Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-31933Local ID: 6420f140-cd28-11de-b769-000ea68e967bOAI: oai:DiVA.org:ltu-31933DiVA: diva2:1005167
Conference
International Conference on Efficiency, Cost, Optimisation, Simulation and Environmental Impact of Energy Systems : 31/08/2009 - 03/09/2009
Note
Godkänd; 2009; Bibliografisk uppgift: CD; 20091109 (joakim)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-10-19Bibliographically approved

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