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Incorporation of industrial wastes in wood pellets
Ferreira, Eduardo Campos; Vilarinho, Cândida; Castro, F.; Pinto, A.; Ferreira, Pedro Tiago; Teixeira, J. C. F.ABSTRACT: The present work evaluates the incorporation of industrial wastes (Refuse Derived Fuel-RDF) into biomass for pellet production. Its influence on parameters such as pellet production, combustion and gas emissions was studied for up to 10% of residues incorporation. This approach also deals with the diverting of industrial waste from landfills. The main objectives were: increasing the heat value of the ...
Friction properties of moulding thermoplastics
Pouzada, A. S.; Ferreira, Eduardo Campos; Pontes, A. J.During the ejection phase of the injection moulding cycle the parts are mechanically forced to separate from the moulding surfaces, this aspect being more relevant with deep cores. The design of the ejection system depends on factors such as the draft angles, the surface finish, and the properties of the moulding material at the ejection temperature and the dimensioning of actuation devices (e.g., hydraulic or ...
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