Assessing the potential of higher alcohols as green fuels for carbon circularity

Xiaolu Xu; Linjun Wang; Qingsong Hu; Jie Ren; Fu Yang; Ruiyan Sun; Zhenchen Tang; Huanhao Chen; Feng Zeng

doi:10.1016/j.cjche.2025.05.032

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Assessing the potential of higher alcohols as green fuels for carbon circularity

Updated：2026-02-12

- Assessing the potential of higher alcohols as green fuels for carbon circularity
- Chinese Journal of Chemical Engineering Vol. 87, Issue 11, Pages: 299-312(2025)
- Affiliations：
  
  1. State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University,Nanjing,China,211816
  2. Department of Thermal Science and Energy Engineering, National Synchrotron Radiation Laboratory, University of Science and Technology of China,Hefei,China,230026
  3. School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology,Zhenjiang,China,212003
  4. College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University,Nanjing,China,211816
  5. Quzhou Membrane Material Innovation Institute,Quzhou,China,324000
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2025.05.032
  CLC：
- Published：2025
- Accepted：
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Xiaolu Xu, Linjun Wang, Qingsong Hu, Jie Ren, Fu Yang, Ruiyan Sun, Zhenchen Tang, Huanhao Chen, Feng Zeng. Assessing the potential of higher alcohols as green fuels for carbon circularity[J]. Chinese Journal of Chemical Engineering, 2025, 87(11): 299-312.
DOI：

Xiaolu Xu, Linjun Wang, Qingsong Hu, Jie Ren, Fu Yang, Ruiyan Sun, Zhenchen Tang, Huanhao Chen, Feng Zeng. Assessing the potential of higher alcohols as green fuels for carbon circularity[J]. Chinese Journal of Chemical Engineering, 2025, 87(11): 299-312. DOI： 10.1016/j.cjche.2025.05.032.

摘要

Abstract

Excessive fossil fuel use has increased carbon dioxide (CO

) emissions

driving climate change and ocean acidification. This review evaluates the potential of higher alcohols as fuels for carbon circularity

comparing their properties

energy efficiency

and technology readiness with hydrogen

methane

and methanol. Higher alcohols

produced

via

hydrogenation

exhibit advantages such as liquid-phase storage

higher energy density

and safer handling. Additionally

their clean combustion produces fewer pollutants like CO and NO

. However

hydrogenation to higher alcohols faces challenges

including high energy demands

kinetic barriers

and immature production technologies

resulting in lower energy efficiency compared to H

methane

and methanol. Higher alcohols

with their superior energy density and safety

hold promise as sustainable fuels

particularly when integrated with CO

capture technologies. However

improvements in catalyst performance

process integration

and production scalability are critical for their widespread adoption.

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