منابع مشابه
Combustion modelling of pulverized biomass particles at high temperatures
Biomass co-firing is becoming a promising solution to reduce CO2 emissions, due to its renewability and carbon neutrality. Biomass normally has high moisture and volatile contents, complicating its combustion behaviour, which is significantly different from that of coal. A computational fluid dynamics (CFD) combustion model of a single biomass particle is developed in this work, to predict the ...
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This article follows the authors’ previous works on numerical simulations of biomass drying and devolatilization (Juřena et al., 2009a-b), in which a packed bed of solid fuel particles is treated as a continuous porous medium. The bed model consists of several sub-models describing individual combustion processes. Since packing conditions change markedly during the processes, a proper descripti...
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1. Background 2. Fundamentals of Biomass Combustion 2.1. Efficiency Constraints in Combustion 3. The Nature of Biomass Solid Fuels 3.1. Standard Tests in Fuels Analysis 3.2. Proximate and Ultimate Analysis 4. Fuel Preparation 5. Combustion Products from Biomass 5.1. Mineral Matter and Ash 5.2. Nitrogen Oxides 5.3. Sulfur Dioxide SO2 5.4. Chlorine – tube corrosion and dioxin (TCDD) formation 6. ...
متن کاملCombustion properties of biomass
Properties of biomass relevant to combustion are briefly reviewed. The compositions of biomass among fuel types are variable, especially with respect to inorganic constituents important to the critical problems of fouling and slagging. Alkali and alkaline earth metals, in combination with other fuel elements such as silica and sulfur, and facilitated by the presence of chlorine, are responsible...
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Combustion of coal to generate heat for the generation of steam that drives a turbine to produce electricity is widely used. Considerable advances have been and continue to be made to improve the performance of the combustion process itself, either by staging the process or by better control. These have resulted in improved fuelefficiency and a reduction in emissions exiting the boiler. During ...
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ژورنال
عنوان ژورنال: Energy Procedia
سال: 2011
ISSN: 1876-6102
DOI: 10.1016/j.egypro.2011.05.050