Environmental Impacts of Co-Combustion of Biomass in Coal Fired Boilers

Yrjö Majanne, Timo Korpela, Jáchym Judl, Sirkka Koskela, Daniela Bqain

    Research output: Chapter in Book/Report/Conference proceedingConference contributionProfessional

    Abstract

    Abstract: Environmental impacts of power production are a subject of emerging interest due to the global need of reduction of greenhouse gas (GHG) emissions and mitigation of climate change. One way to reduce GHG emissions in thermal power generation is to replace fossil fuels by biofuels. Besides of direct emissions, operation of thermal power plants presents also indirect impacts originated from the production and transportation of fuels and other materials needed for running the process and waste handling. In the decision making and policy planning it is important to evaluate the total impacts of planned operations, not only the direct impacts. Most of the direct emissions are monitored with Continuous Emission Monitoring Systems but assessment of indirect Life Cycle Impacts must be carried out by life cycle modelling. This paper introduces a procedure for the model based Life Cycle Assessment and a case where the total environmental impacts of partial replacement of coal by wood pellets in an existing coal fired power plant were assessed. The procedure can be used e.g. for designing the environmentally friendly operation strategy for the power plant and sustainable purchasing of fuels. This project was a part of the MMEA (Measurement Monitoring and Environmental Assessment) research program coordinated by CLEEN Ltd and funded by the Finnish Funding Agency for Innovation TEKES.
    Original languageEnglish
    Title of host publicationInternational Convention on Science, Technology and Innovation
    Place of PublicationHavana, Cuba
    Number of pages6
    Publication statusPublished - 2017
    Publication typeD3 Professional conference proceedings
    EventInternational Convention on Science, Technology and Innovation -
    Duration: 1 Jan 2016 → …

    Conference

    ConferenceInternational Convention on Science, Technology and Innovation
    Period1/01/16 → …

    Keywords

    • Environmental efficiency
    • power generation
    • modeling
    • Life cycle assessment

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