A method for optimisation of multifuel-based bioenergy production

Markku Orjala, Jouni Hämäläinen, Pasi Vainikka, Janne Kärki

Research output: Contribution to conferenceConference articleScientific


The increase in power plant operating and maintenance costs caused by boiler fouling can increase the total energy production costs significantly. The formation of harmful deposits can be reduced or even avoided with appropriate fuel blend control. To support power plant operators in daily decision-making and in plant optimisation, advanced methods have been developed for deposit formation monitoring and process calculations. These methods will help power plant operators to achieve better power plant performance with improved fuel flexibility. In developing fuel optimisation methods, combustion and co-firing properties of fuels have been studied both at VTT Processes' test facilities and at industrial -scale power plant boilers. The data from deposit formation monitoring gives basis for studying the inter-relation of fuel blend characteristics - deposit formation- boiler performance. As a result of the power plant measurements a clear correlation has been observed between the temperature behaviour of the deposit-monitoring probe and chemical efficiency of steam boilers.
Original languageEnglish
Number of pages1
Publication statusPublished - 2003
MoE publication typeNot Eligible
EventInternational Nordic Bioenergy Conference, Bioenergy 2003 - Jyväskylä, Finland
Duration: 2 Sep 20035 Sep 2003


ConferenceInternational Nordic Bioenergy Conference, Bioenergy 2003

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