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Co-Benefit Assessment خof Sustainable Hydrogen Energy System from Biomass to Mitigate Air Pollution and Climate Change Using Life Cycle Analysis: A Case Study in Tehran, Iran

Ghiasabadi Farahani, Elmira | 2024

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 57337 (46)
  4. University: Sharif University of Technology
  5. Department: Energy Engineering
  6. Advisor(s): Avami, Akram
  7. Abstract:
  8. This thesis explores the co-benefits of hydrogen production from biomass sources as a sustainable energy solution to address environmental challenges in Tehran, Iran. Utilizing a comprehensive life cycle assessment framework, the study evaluates the environmental impacts of various biomass-to-hydrogen conversion technologies, including gasification, fermentation, supercritical water gasification, microbial electrolysis cells, anaerobic digestion, and pyrolysis. Data for some technologies were sourced from previous studies, while data for the gasification process were obtained through simulation software, considering chemical looping gasification. The ReCiPe2016 method for midpoint and endpoint impact assessment was employed to evaluate key environmental indicators such as greenhouse gas emissions, air pollutant emissions, and Disability-Adjusted Life Years (DALY). This assessment provides insights into the sustainability of biomass-based hydrogen production systems. The potential co-benefits in terms of air pollution reduction and climate change mitigation were determined for each bio-hydrogen production scenario and compared to a baseline scenario. The baseline scenario involves the production of the required power and the transport sector of Tehran city using conventional fossil fuels instead of hydrogen. The final results indicate that hydrogen production from the pyrolysis route using corn waste, distributed in the transportation sector, achieved an average normalized co-benefit index of 0.0598. Hydrogen production from chemical looping gasification using municipal solid waste, distributed in the power generation sector, achieved a co-benefit index of 0.0542. These scenarios were identified as the best in terms of shared benefits for climate change mitigation and human health
  9. Keywords:
  10. Green Hydrogen ; Biomass Energy System ; Biomass ; Life Cycle Assessment ; Hydrogen Producing ; Human Health ; Air Pollution and Climate Change Co-Benefit ; Tehran's Weather ; Sustainable Energy

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