Bioenergy with carbon capture and storage technology to achieve net zero emissions–A review

Farooq Sher, Saman Hameed, Narcisa Smječanin Omerbegović, Bohong Wang, Irfan Ul Hai, Tazien Rashid, Yew Heng Teoh and Magdalena Joka Yildiz

Renewable and Sustainable Energy Reviews, 2025, vol. 210, issue C

Abstract: Bioenergy with carbon capture and sequestration (BECCS) technology has emerged as a flourishing and advanced approach for capturing CO2 since it promotes clean energy, supports sustainable resource management, advances environmental sustainability and negative emissions. Thus, this novel comprehensive review thoroughly explores the contribution of biomass oxy-fuel technology in capturing CO2 and achieving net zero emissions. Furthermore, the review meticulously addresses pollution emissions and ash-related issues along with control strategies in the fluidized bed oxy-fuel configuration, providing in-depth insights into scale-up feasibility and techno-economic and environmental analysis. Remarkably, oxy-fuel combustion (OFC) achieves CO2 recovery rates of up to 96.24%, with around 70% of flue gas recirculated following biomass combustion. Increased biomass raises CO levels, especially above 30%, with rapid conversion to CO2 at 100% O2. Under oxy-fuel conditions, NOx and SOx emissions are reduced by utilizing effective strategies like gas and oxygen staging and limestone injection for desulfurization. Combustion produces fly ash with minerals and heavy metals, causing boiler fouling, while PM1 contains K, Cl, P, S and Na, and PM1-10 includes Mg, Ca and Si. Furthermore, 1% NH4Cl-modified biomass char effectively removes mercury. Globally, there are 20 BECCS projects spanning various methods and fuels. Additionally, oxy-fuel process scored 10/10 for both global warning potential and acidification pollution, indicating minimal emissions. It may become more financially viable than fossil fuels with a carbon tax exceeding $28.3 per tonne of CO2. BECCS has reached TRL 7 in the industry, with CO2 capture costs ranging from $40 to $120 per ton, offering a cost advantage over other technologies.

Keywords: Renewable energy; Biomass; Oxy-fuel combustion (OFC); Environmental sustainability; Pollution mitigation; BECCS and NET zero (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1016/j.rser.2024.115229

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