Techno-Economic Assessment of Chemical Looping Gasification of Biomass for Fischer–Tropsch Crude Production with Net-Negative CO₂ Emissions: Part 2

This work presents a techno-economic analysis of novel gasification system, chemical looping (CLG), used as the primary process for biofuel production through Fischer–Tropsch synthesis (FTS). Two different gas cleaning configurations, cold-gas cleanup and hot-gas trains, are explored, along with off-gas utilization possibilities, to study their influence on economics an integrated CLG–FT plant. Off-gas recirculation increase (FT) crude has significant reducing levelized costs FT crude. The results indicate that specific cost estimated plant train is roughly 10% lower than case train, while total remain relatively same all configurations. In addition this, former considerably higher overall system energy efficiency 63%, 18% more latter, considering co-production crude, district heating, electricity. investment range from 1.5 1.7 M€2018/MWLHV, ranges 120 147 €2018/MWhFT. Roughly 60% carbon fed captured, enabling net-negative CO2 emissions. A price negative emissions would significantly reduce fuel would, hence, be competitive fossil-based liquid fuels.