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Techno-economic analysis of integrated carbon capture and dry reforming of methane

Author

Listed:
  • Li, Jianan
  • Qin, Changlei
  • Lv, Zongze
  • Gao, Chang
  • Chen, Liangyong
  • Xu, Shaojun

Abstract

Integrated carbon capture and utilization (ICCU) with dry reforming of CH4, a derivative by simplifying the process of conventional capture and utilization (CCU), is considered to be a promising pathway in mitigating CO2 and recycling carbon resources. Although significant advances have been made in the development of ICCU with DRM, studies on its techno-economics are still lacking. Herein, four systems of CCU, ICCU, and direct/indirect solar driven ICCU with DRM are established and evaluated in the aspects of mass and energy balance, economics, CO2 emissions and cost sensitivity. Results show that energy efficiency of ICCU reaches 80.98 %, an improvement of 7.29 % comparing to CCU. In terms of economy, ICCU is more advantageous with only 75.5 % total annual cost of CCU, and 26.6 % and 54.2 % cost reduction in producing syngas and avoiding CO2 emissions. With the inclusion of solar energy, there is a significant drop of syngas cost to be 112.92 $·t−1, well below the market price, while CO2 avoiding cost falls by 79.8 %. All these results show that ICCU technology, especially when driven by solar energy has significant advantages in mitigating CO2 and producing syngas.

Suggested Citation

  • Li, Jianan & Qin, Changlei & Lv, Zongze & Gao, Chang & Chen, Liangyong & Xu, Shaojun, 2025. "Techno-economic analysis of integrated carbon capture and dry reforming of methane," Energy, Elsevier, vol. 316(C).
    • Handle: RePEc:eee:energy:v:316:y:2025:i:c:s0360544225001586
    DOI: 10.1016/j.energy.2025.134516
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