Optimisation rationnelle des performances énergétiques et environnementales d’une centrale à charbon pulvérisé fonctionnant en oxy-combustion

Abstract : The objective of the thesis is the conception of an optimized oxy-fired pulverized-coal power plant. Such a power plant is constituted of an oxygen production system (ASU), a boiler, power cycle, depollution equipments and a CO2 purification and compression system (CPU). After a first step consists in understanding, analyzing and modeling the different processes composing the oxy-combustion system; the work will focus on the optimization of the performances and the configuration of the power plant by minimizing exergy destructions while ensuring economic competitiveness of the obtained solution. At the end of the thesis, the origins of the exergetic losses in the system as well as the thermal integration scheme allowing the maximization of the energetic gains at power plant level will be identified. Additionally, the most adapted flue gas depollution strategies will be defined and the new integrated process schemes will be evaluated on both a techno-economic and flexibility basis.
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Hayato Hagi. Optimisation rationnelle des performances énergétiques et environnementales d’une centrale à charbon pulvérisé fonctionnant en oxy-combustion. Génie des procédés. Ecole Nationale Supérieure des Mines de Paris, 2014. Français. ⟨NNT : 2014ENMP0041⟩. ⟨tel-01139472⟩

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