Development and Operation Results of Recycle Fuel Fired Bubbling Fluidized Bed Boiler

Speciation of Copper in Ash from a Fluidized-Bed Boiler Fired with Municipal Solid Waste

Copper is one of the most important trace elements in municipal solid waste (MSW) combustion. Knowledge of the speciation of copper is fundamental for the understanding of the effects of copper compounds on the combustion chemistry, for the evaluation of the environmental effects of copper in ash leachates and for the development of methods to recover copper from the MSW combustion ash. In this...

Bubbling fluidized bed characterization using Electrical Capacitance Volume Tomography (ECVT)

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Fundamental Bubbling Characteristics in a Rotating Fluidized Bed: Modeling and Measurement of Bubble Size

Modeling and measurement of bubble size in a rotating fluidized bed (RFB) were conducted. The model for predicting the bubble growth in RFB has been proposed based on the following concepts: (i) local centrifugal acceleration and excess gas velocity are considered as the parameters in the radial direction, and (ii) bubble volume flow locally changes depending on the radial distance. Bubbling be...

Hydrodynamic Modelling and CFD Simulation of Gas-Solid Bubbling Fluidized Bed

This work presents a computational study of flow behaviour in a bubbling fluidized bed. The model is developed by using the commercial CFD code Fluent 6.3. The model is based on an Eulerian description of the gas and the particle phase. Different drag models are used and compared. The computational results are validated against experimental results. The experimental data are taken from Hulme (2...

Investigation of Fuel Chemistry and Bed Performance in a Fluidized Bed Black Liquor Steam Reformer