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A review on characteristics and synergistic behaviour of coal-biomass blends in co-pyrolysis process for bioenergy generation

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2025, 35(4), pp.1473~1512
  • DOI : 10.1007/s42823-025-00897-4
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General
  • Received : October 25, 2024
  • Accepted : March 17, 2202
  • Published : December 11, 2025

Khoja Asif Hussain 1 Hussain Muzzamail 2 Tauseef Maham 1 Naeem Nida 1 Khan Arslan 3 Akram Ramza 1 Khan Tahreem Assad 1 Ansari Abeera Ayaz 1 Zeng Xi 4

1National University of Sciences and Technology (NUST)
2독립연구자
3National University of Sciences and Technology
4Beijing Technology and Business University

Accredited

ABSTRACT

The environmental, social, and economic concerns regarding fossil fuels necessitate the demand for an efficient energy mix utilising renewable resources like biomass for sustainable development. Recent interest in the thermochemical conversion of coal and biomass into bioenergy via co-pyrolysis processes is gaining importance. This review critically assesses the behaviour of different types of coal and biomass blends during co-pyrolysis from various perspectives, including the effects of temperature, blending ratios, heating rate, synergistic and inhibitive behaviours, heat transfer mechanisms, nature of products, and their future applications. The possible synergies arising due to differences in the compositions of coal and biomass are discussed. In addition, the synergistic effect on co-pyrolysis yield is critically presented. Moreover, it is analysed that the co-pyrolysis offers higher yields of liquid and gaseous fuels compared to individual feedstock coal and biomass. Co-pyrolysis of coal and biomass can be promoted from a scientific standpoint; however, further research is still required for the integration of new technologies to enhance the effectiveness of co-pyrolysis.

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