A comparative review on advanced biomass oxygen fuel combustion technologies for carbon capture and storage

Jester Lih Jie Ling, Won Yang, Han Saem Park, Ha Eun Lee and See Hoon Lee

Energy, 2023, vol. 284, issue C

Abstract: Biomass oxygen fuel combustion has emerged as a viable approach for achieving carbon neutrality. However, the complexity and versatility of biomass produce different results, as they are studied within the typical operating temperature window (750 °C–1500 °C), which corresponds to circulating fluidized bed and pulverization conditions. Considering temperature alone is insufficient to comprehensively illustrate the reaction occurring during the process. Thus, biomass oxygen fuel combustion is reviewed by considering the heat transfer, combustion, thermochemical kinetics, and gas flow rate, which include different aspects involved in both the circulating fluidized bed and pulverization system. Generally, a pulverized system demonstrates better performance than a circulating fluidized bed under oxygen fuel combustion conditions. With increasing oxygen concentration, circulating fluidized beds demonstrate a performance comparable to that of a pulverized system. Such improvement is induced at the expense of the gas flowrate, leading to defluidization, but this can potentially be mitigated with the advancement of air separation units. Circulating fluidized beds as viable breakthroughs in biomass oxygen fuel combustion are enhanced as research on separation units is currently conducted at a respected temperature operating window. It is anticipated that such breakthroughs will improve economic feasibility, which has been the main obstacle in the advancement of biomass oxygen fuel combustion.

Keywords: Oxy-fuel combustion; Circulating fluidized bed; Limestone; In-situ desulfurization; Computational fluid dynamics (search for similar items in EconPapers)
Date: 2023
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:284:y:2023:i:c:s0360544223019606

DOI: 10.1016/j.energy.2023.128566

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