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Fuel diversity is critical in the utilization of fluidized bed combustors. To support the use of diverse fuels including low rank coals and biomass, interactions of chemical components that lead to operational issues such as agglomeration need to be studied. Low rank coals and biomass are generally rich in alkali and alkaline earth metals and their role in the initiation of agglomeration is investigated...
In this study, vinasse, a by-product of sugar industry, was analysed for its behaviour during combustion in a fluidised bed combustor. Due to potential agglomeration problems owing to its high potassium content, the vinasse was first pre-assessed using agglomeration indices and muffle furnace tests. Subsequently it was co-fired with Thoresby singles coal in a bubbling fluidised bed of 25kW thermal...
Two kinds of bed materials were used as bed materials when a biomass of cotton stalk was burnt in a circulation fluidized bed (CFB) combustion pilot plant (0.2 MW). After a long time operation, silica bed materials were found sintered while aluminous bed materials slightly changed. The particles of both kinds of bed materials were sampled and three instrumental approaches were performed (XRF, SEM/EDS,...
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