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Review of Reforming Processes for the Production of Green Hydrogen from Landfill Gas

Author

Listed:
  • Dhruv Singh

    (Engineering Department, Niccolò Cusano University, Via Don Carlo Gnocchi 3, 00166 Rome, Italy)

  • Piero Sirini

    (Civil and Environmental Engineering Department, University of Florence, Via Santa Marta 3, 50139 Firenze, Italy)

  • Lidia Lombardi

    (Engineering Department, Niccolò Cusano University, Via Don Carlo Gnocchi 3, 00166 Rome, Italy)

Abstract

The growing challenges of climate change, the depletion of fossil fuel reserves, and the urgent need for carbon-neutral energy solutions have intensified the focus on renewable energy. In this perspective, the generation of green hydrogen from renewable sources like biogas/landfill gas (LFG) offers an intriguing option, providing the dual benefits of a sustainable hydrogen supply and enhanced waste management through energy innovation and valorization. Thus, this review explores the production of green hydrogen from biogas/LFG through four conventional reforming processes, specifically dry methane reforming (DMR), steam methane reforming (SMR), partial oxidation reforming (POX), and autothermal reforming (ATR), focusing on their mechanisms, operating parameters, and the role of catalysts in hydrogen production. This review further delves into both the environmental aspects, specifically GWP (CO 2 eq·kg −1 H 2 ) emissions, and the economic aspects of these processes, examining their efficiency and impact. Additionally, this review also explores hydrogen purification in biogas/LFG reforming and its integration into the CO 2 capture, utilization, and storage roadmap for net-negative emissions. Lastly, this review highlights future research directions, focusing on improving SMR and DMR biogas/LFG reforming technologies through simulation and modeling to enhance hydrogen production efficiency, thereby advancing understanding and informing future research and policy initiatives for sustainable energy solutions.

Suggested Citation

  • Dhruv Singh & Piero Sirini & Lidia Lombardi, 2024. "Review of Reforming Processes for the Production of Green Hydrogen from Landfill Gas," Energies, MDPI, vol. 18(1), pages 1-35, December.
    • Handle: RePEc:gam:jeners:v:18:y:2024:i:1:p:15-:d:1551527
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