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Recent Developments on Carbon Neutrality through Carbon Dioxide Capture and Utilization with Clean Hydrogen for Production of Alternative Fuels for Smart Cities

Abstract

This review comprehensively evaluates the integration of solar-powered electrolytic hydrogen (H2) production and captured carbon dioxide (CO2) management for clean fuel production, considering all potential steps from H2 production methods to CO2 capture and separation processes. It is expected that the near future will cover CO2-capturing technologies integrated with solar-based H2 production at a commercially viable level, and over 5 billion tons of CO2 are expected to be utilized potentially for clean fuel production worldwide in 2050 to achieve carbon-neutral levels. The H2 production out of hydrocarbon-based processes using fossil fuels emits greenhouse gas emissions of 17-38 kg CO2/kg H2. On the other hand, . renewable energy based green hydrogen production emits less than 2 kg CO2/kg H2 which makes it really clean and appealing for implementation. In addition, capturing CO2 and using for synthesizing alternative fuels with green hydrogen will help generate clean fuels for smart cities. In this regard, the most sustainable and promising CO2 capturing method is post-combustion with an adsorption-separation-desorption processes using monoethanolamine adsorbent with high CO2 removal efficiencies from flue gases. Consequently, this review article provides perspectives on the potential of integrating CO2-capturing technologies and renewable energy-based H2 production systems for clean production to create sustainable cities and communities.

Funding source: The authors gratefully acknowledge the financial support provided jointly by the IC-IMPACTS Centres of Excellence in Canada and the Department of Science and Technology (DTS) in India for the project entitled “Carbon neutrality through combined CO2 capture and novel H2 technology with production of non-conventional fuels for smart cities” led by Dr. Ibrahim Dincer (University of Ontario Institute of Technology in Canada) & Dr. Subrata Borgohain Gogoi (Dibrugarh University Assam in India).
Related subjects: Production & Supply Chain
Countries: Canada ; India ; United Kingdom
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/content/journal6024
2024-07-08
2024-11-01
/content/journal6024
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