Large-scale biomass combustion plants: an overview

S. Caillat,     École des Mines de Douai, France

E. Vakkilainen,     Lappeenranta University of Technology, Finland


For a long time biomass was combusted mostly on a small scale. Now the largest biomass boilers are over 500 MWth. This chapter tries to outline the main methods for large-scale biomass combustion. The main boiler types are the grate and bubbling-fluidised bed boilers although circulating-fluidised bed and pulverised firing do play a role. Particular emphasis has been placed on emissions, the effect of fuel quality and operating issues.

Key words

steam boilers

biomass combustion

fluidised bed combustion

grate firing



9.1 Introduction

The definition ...

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