Valorisations énergétique et matière du revêtement de sol stratifié par pyrolyse & gazéification

Abstract : Since a few years, energy challenges are appearing at the top of the list of the current concerns for the future. The forecasted end of fossil fuels, at the origin of 80% of currently consumed energy, is obviously accompanied by research about alternatives to provide for the future needs. The integration of an environmental care concerning the implementation of a sustainable development puts clearly ahead the assets of renewable energies which constitutes nowadays less than 15% of the worldwide production. Work suggested here deals with this scope of research and proposal for renewable primary energy sources with the recovery study of waste containing biomass and more precisely the case of laminated flooring. Among the various current recovering ways, incineration with the whole waste remains the most used one. The main drawback deals with the need for smoke treatment, the cost of which can be really high. It would thus seem to be judicious to look for another recovering issue. The suggested process is divided in the three following steps: - A pretreatment step through low temperature pyrolysis (275°C) making it possible a nitrogenous components separation of the elements (precursor able to form pollutants species) in deteriorating the fuel the less as possible to provide a maximum energy recovery in the following stage. - An energy recovery step, which constitutes the main goal of the process, through a high temperature pyrolysis (1000°C). Energy is recovered via syngas. - A material recovery step through two aspects in order to produce added-value material (particle boards and activated carbon), the consideration of which in the global economic assessment of an industrial installation could be interesting
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Jérôme Lemonon. Valorisations énergétique et matière du revêtement de sol stratifié par pyrolyse & gazéification. Autre. Université de Lorraine, 2013. Français. ⟨NNT : 2013LORR0338⟩. ⟨tel-01751018⟩

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