Abstract
This paper presents the results from an experimental study on the production of hydrogen-enriched syngas through un-catalyzed steam biomass gasification. Wood pellets were gasified using a 100 kWth fluidized bed gasifier at temperatures up to 850 °C. The syngas hydrogen concentration was found to increase with both bed temperature and steam–to-biomass weight ratio, reaching a maximum of 51 %. The overall energy conversion to syngas (based on heating value) also increased with bed temperature but was inversely proportional to the steam-to-biomass ratio. The maximum heating value measured was 16.1 MJ/m3, occurring at a temperature of 697 °C, a S/B of 0.7, and a residence time of 1.9 s. The maximum energy conversion to syngas was found to be 68 %. Further analysis revealed that to produce syngas with high hydrogen concentration, inert-fluidized gasification was the most efficient method tested in this study. While fluidized bed gasification with CaO was found to be less efficient than inert-bed gasification, it does produce syngas with higher hydrogen concentration.
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Dascomb, J., Krothapalli, A. (2014). Hydrogen-Enriched Syngas from Biomass Steam Gasification for Use in Land-Based Gas Turbine Engines. In: Agarwal, A., Pandey, A., Gupta, A., Aggarwal, S., Kushari, A. (eds) Novel Combustion Concepts for Sustainable Energy Development. Springer, New Delhi. https://doi.org/10.1007/978-81-322-2211-8_6
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DOI: https://doi.org/10.1007/978-81-322-2211-8_6
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