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EUBCE 2024 - Keng-Tung WU - Gasification of Solid Recovered Fuel in a Fluidized Bed Gasifier

Gasification of Solid Recovered Fuel in a Fluidized Bed Gasifier

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Recent advancements in the field of coupling gasification technology, gas cleaning and produced gas utilisation for CHP

Gasification of Solid Recovered Fuel in a Fluidized Bed Gasifier

Short Introductive summary

All experiments were carried out in a 30 kWth small-scale biomass fluidized bed gasification system with air equivalence ratios (ER) of 0.2, 0.3, and 0.4 at 700, 800, and 900 deg-C, respectively. The solid recovered fuel (SRF) pellets mixed with wood pellets were employed as the feedstock. Calcium carbonate (CaCO3) was added to the gasifier to remove chloride. The effects of operational conditions on the syngas composition, tar content, lower heating value (LHV) of syngas, and cold gas efficiency (CGE) were investigated to provide the information as a reference for system commercialization in the future. The preliminary results show that CO and H2 contents increase with increasing the gasification temperature, but CO2 and CH4 show the contrary results. In addition, the amount of syngas, tar production, LHV of syngas, CEG, nitrogen oxides, sulfur oxides, and hydrogen chloride (HCl) contents all decreased with adding CaCO3. The hydrogen chloride content was lower than the detection limit when the Ca/Cl equivalence ratio was 10. Nevertheless, the HCl content in the bottom ash increased after adding CaCO3.

Presenter

Moderator portrait

Keng-Tung WU

National Chung Hsing University, Forestry Dpt., TAIWAN

Presenter's biography

Dr K-T Wu received his PhD in Chem. Eng. from UCL (UK), and currently is an Assoc. Professor of Dept. of Forestry, Director of Occupational Safety and Health and Environ. Protection (SHE) Center, and CEO of the Office of Industrial Carbon Offset Prom at National Chung Hsing University in Taiwan.

Biographies and Short introductive summaries are supplied directly by presenters and are published here unedited


Co-authors:

K. Wu, National Chung Hsing University, Taichung, TAIWAN
T. Chang, National Chung Hsing University, Taichung, TAIWAN

Session reference: 4BV.5.5