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Hydrogen production from biogas: Process optimization using ASPEN Plus®

Abstract : This work is part of the VABHYOGAZ (valorization of biogas into hydrogen) program, which targeted the industrial deployment of hydrogen production from biogas in France. To-date, different processes of methane reforming, such as steam reforming of methane (SRM), dry reforming of methane (DRM) and tri-reforming of methane (TRM), have been studied in the literature, but only SRM is applied at industrial scale. Since SRM is an energy-intensive process, a critical analysis of these routes for hydrogen production from biogas is indispensable for process optimization. This has been addressed in this work, by using ASPEN Plus® simulation. Different global processes of hydrogen production from biogas, via DRM, SRM, or TRM, with or without tail gas recycling, have been studied. Among them, hydrogen production using TRM technique (H2-TRM0.3C process) with a partial recycling of tail gas (30%) was found to be the best option, leading to the highest hydrogen production rate and the best energy yield. H2-TRM0.3C process was also found to be more efficient than the actual industrial process (H2-REF), which is based on SRM technique. Under the same conditions, H2-TRM0.3C process led to a higher H2 production (8.7% more), a lower total energy consumption (18.6% less), and a lower waste heat generation (15.4% less), in comparison with the actual industrial process (H2-REF).
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Submitted on : Wednesday, February 9, 2022 - 4:05:44 PM
Last modification on : Tuesday, April 19, 2022 - 10:36:01 AM
Long-term archiving on: : Tuesday, May 10, 2022 - 7:05:50 PM

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Thanh Son Phan, Doan Pham Minh, Fabienne Espitalier, Ange Nzihou, Didier Grouset. Hydrogen production from biogas: Process optimization using ASPEN Plus®. International Journal of Hydrogen Energy, Elsevier, In press, ⟨10.1016/j.ijhydene.2022.01.100⟩. ⟨hal-03563223⟩

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