Fluidized bed steam gasification of solid biomass yields a high quality producer gas, which can be used for efficient combined heat and power production (CHP) and as an intermediate product for chemical syntheses. In order to study the behavior of an 8 MW (fuel power) CHP plant, which has been in successful operation since 2001, a comprehensive model library has been developed for the equation-oriented process simulation software IPSEpro. The models are validated with measured data from the commercial scale plant. Because every model is based on the conservation of mass and energy, the simulation also allows the validation of measured data. By solution of a system describing the entire process, which uses measured data as input, a reference case for actual plant operation can be defined. In a next step, the behavior of the plant is studied during variations of selected parameters. Therefore, a model of the gasification reactor, which is able to describe the behavior during parameter variation, is necessary. It can be shown that fuel water content and gasification temperature significantly influence the global plant performance. The simulation predicts the efficiency of the existing power plant in optimized operation. Finally, part load behavior is investigated and a performance map of the CHP plant is presented. The results show that CHP-concepts based on fluidized bed steam gasification can reach high electric efficiencies and high overall fuel utilization rates even at small plant capacities of 10 MW fuel power.
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18th International Conference on Fluidized Bed Combustion
May 22–25, 2005
Toronto, Ontario, Canada
Conference Sponsors:
- Advanced Energy Systems
ISBN:
0-7918-4183-9
PROCEEDINGS PAPER
Fluidized Bed Steam Gasification of Solid Biomass: Analysis and Optimization of Plant Operation Using Process Simulation Available to Purchase
Tobias Pro¨ll,
Tobias Pro¨ll
Vienna University of Technology, Vienna, Austria
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Reinhard Rauch,
Reinhard Rauch
Vienna University of Technology, Vienna, Austria
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Christian Aichernig,
Christian Aichernig
Repotec Umwelttechnik GmbH, Guessing, Austria
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Hermann Hofbauer
Hermann Hofbauer
Vienna University of Technology, Vienna, Austria
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Tobias Pro¨ll
Vienna University of Technology, Vienna, Austria
Reinhard Rauch
Vienna University of Technology, Vienna, Austria
Christian Aichernig
Repotec Umwelttechnik GmbH, Guessing, Austria
Hermann Hofbauer
Vienna University of Technology, Vienna, Austria
Paper No:
FBC2005-78129, pp. 763-770; 8 pages
Published Online:
October 7, 2008
Citation
Pro¨ll, T, Rauch, R, Aichernig, C, & Hofbauer, H. "Fluidized Bed Steam Gasification of Solid Biomass: Analysis and Optimization of Plant Operation Using Process Simulation." Proceedings of the 18th International Conference on Fluidized Bed Combustion. 18th International Conference on Fluidized Bed Combustion. Toronto, Ontario, Canada. May 22–25, 2005. pp. 763-770. ASME. https://doi.org/10.1115/FBC2005-78129
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