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The nature and extent of the microstructural changes of coal upon oxidation under conditions typical of combustion systems, and the relation between microstructure and reactivity towards oxygen and carbon dioxide have been extensively addressed. The first major changes in morphology, structure and chemical composition of the solid fuel occur in the early instances of combustion/gasification processes,...
Currently a great emphasis is being placed on simplification and cost reduction in the production process of methanol from renewable biomass sources.The experimental results obtained in this work, using a pre-pilot fluidized bed gasifier, demonstrate that the co-gasification of regional biomass residues with PET (polyethylene terephthalate) or tyre wastes may be regarded as a useful strategy to achieve...
In this work we have tested the fluidized bed desulfurization performance of lime particles obtained by means of a limestone slow calcination pre-treatment technique. This performance was compared to that of the parent untreated limestone particles. The occurrence of particle fragmentation and attrition during the fluidized bed operation was also investigated with a specific test protocol for both...
A bubbling fluidized bed of inert material was used to increase the activated carbon residence time in the reaction zone and to improve its performance for mercury vapor capture. Elemental mercury capture experiments were conducted at 100°C in a purposely designed 65mm ID lab-scale pyrex reactor, that could be operated both in the fluidized bed and in the entrained bed configurations. Commercial powdered...
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