THE FLOATING BED REDUCTION REACTOR FINDINGS ON THE KEY COMPONENT OF THE INNOVATIVE MULTISTAGEDSCE BIOMASS GASIFICATION PROCESS

摘要

In the area of decentralised combined heat and power (CHP) plants, the importance of biomass gasification plants shows a steady growth. Multi-staged fixedbedgasification systems offer the highest potential due to their low tar content in the fuel gas and the high efficiency. When thinking of commercial-sizedplants above 150kWel the pressure drop over the fixed bed acts as a limiting parameter for many ambitious systems [1] . An auspicious approach to avoid theseproblems is the new enhanced staged SCE (SynCraft Engineering) gasification process that produces a nearly tar-free low-calorific fuel gas, combined with ahigh cold-gas efficiency rate. By the end of 2008, the producer gas was tested on a gas engine [2] for the first time and showed positive properties. The herewithpresented study deals with the latest findings regarding the suitability of different green fuels and reactor shapes for the SCE gasification system. According tothe fuel-dependent properties, the operation range to run the floating bed reduction reactors should be investigated. The outcomes of this study should lead toknowledge about the design of FBRRs (floating bed reduction reactor) to facilitate the unique properties of this promising technology.