Technoenergetic and Economic Analysis of CO2 Conversion

  • Suraj VasudevanEmail author
  • Shilpi Aggarwal
  • Shamsuzzaman Farooq
  • Iftekhar A. Karimi
  • Michael C. G. Quah


Mere improvements in energy efficiency and development of alternative energy sources may not be sufficient and timely to reverse the continuing rise of the CO2 emissions before it crosses dangerous levels. Given the mixed feelings on the geological sequestration of captured CO2 and the scale of worldwide CO2 emissions, the idea of utilizing CO2 to produce fuels and chemicals is receiving increasing attention as a potential long-term solution to this problem. The source of hydrogen is vital for producing fuels and chemicals from CO2. We consider both renewable (i.e., solar) and nonrenewable (i.e., fossil fuels) sources of hydrogen and identify several fuels and chemicals that can be produced from CO2 while meeting the hard constraint of net zero CO2 emission. Taking a small, geologically disadvantaged, and developed city-state of Singapore as an example, we analyze and compare thermodynamically feasible production of fuels/chemicals, whose global demands can make a significant dent in CO2 emissions. We also identify the hydrogen source and the cost at which it will make economic sense under various carbon tax regimes.



(1) This work is an extension of a project carried out by an NUS team for the Energy Technology Roadmapping exercise, partially supported by NCCS/NRF. (2) The authors would like to thank Professor Rakesh Agrawal (Purdue University) for the insightful discussions during the course of the roadmap development. (3) We dedicate this work to the late Professor Michael C.G. Quah who contributed immensely to this project. His dynamism, intellect, sense of humor, and laughter are greatly missed to this day.


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Suraj Vasudevan
    • 1
    Email author
  • Shilpi Aggarwal
    • 1
  • Shamsuzzaman Farooq
    • 1
  • Iftekhar A. Karimi
    • 1
  • Michael C. G. Quah
    • 1
  1. 1.Department of Chemical & Biomolecular EngineeringNational University of SingaporeSingaporeSingapore

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