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Etude et conception de réacteurs polyphasés en vue de la désulfuration de biogaz en pré- et post- combustion

Abstract : Biogas. It is an energy source increasingly popular in Europe, remarkably in France, due to its environmental-friendly and economic-saving capabilities. It is produced by the organic matter fermentation, leading to biomethane production, as a sustainable alternative to fossil fuels. Nevertheless, as a raw gas, pollutants in biogas lead to environmental, health and process-related issues, especially because of its unique content on sulfur compounds. The objective of this research is to develop new processes, economically and environmentally feasible, for biogas desulfurization, seeking a process integration in existing biogas treatment units in France. Considering the state of the art on biogas properties and its possible purification treatments, two processes have been identified and studied in this thesis. The first process is a precombustion desulfurization treatment aiming to eliminate the H2S and the siloxanes through a gas-liquid bubbling-typed polyphasic reactor. This reactor is equipped with a new solvent with “superacid” properties. The second process is a postcombution desulfurization treatment for stack gas, through a gas-solid fixed-bed polyphasic reactor. A prototype of this unit was entirely designed, built and tested in the thesis. This thesis describes the applied research method, the developed numerical models, and the experimental results confirming the efficiency of the novel processes.
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Submitted on : Friday, November 29, 2019 - 12:15:15 PM
Last modification on : Thursday, September 1, 2022 - 11:06:11 AM


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  • HAL Id : tel-02386432, version 1


Iran David Charry Prada. Etude et conception de réacteurs polyphasés en vue de la désulfuration de biogaz en pré- et post- combustion. Génie des procédés. Université Paris sciences et lettres, 2019. Français. ⟨NNT : 2019PSLEM019⟩. ⟨tel-02386432⟩



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