Effect of fuel moisture content on biomass-IGCC performance

Wendy E.M. Hughes, Eric D. Larson

Research output: Contribution to journalConference articlepeer-review


The moisture level in biomass fuels potentially impacts efficiency in conversion to power. This paper examines the efficiency and net power output of a circulating fluidized bed gasifier-combined cycle with flue gas drying for a range of as-received raw biomass moisture contents and levels of pre-gasification drying. Due to the lack of empirical data available, a modeling approach is used to simulate the effect of varying moisture content in the gasifier feed biomass. Below 30%, the raw-biomass moisture content has a negligible effect on the cycle efficiency and net power output. Higher moisture contents significantly reduce cycle efficiency. For a specified as-received biomass moisture content, drying prior to gasification increases overall efficiency, but the gains in efficiency decrease with increasing levels of drying.

Original languageEnglish (US)
JournalAmerican Society of Mechanical Engineers (Paper)
StatePublished - 1997
EventProceedings of the 1997 International Gas Turbine & Aeroengine Congress & Exposition - Orlando, FL, USA
Duration: Jun 2 1997Jun 5 1997

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering


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