Techno-economic evaluation of amine-reclamation technologies and combined CO2/SO2 capture for Australian coal-fired plants

摘要: Abstract CSIRO’s patented CS-Cap process aims at reducing the costs of amine-based post-combustion capture by combining SO2 and CO2 using one absorbent in a single absorber column. By avoiding need for separate flue gas desulfurization unit, offers potential savings power plants requiring capture. High-level cost estimates based on lab pilot data are presented two amine reclamation techniques i.e. thermal reactive crystallisation. Only regeneration via crystallisation reduces below base case FGD/SCR-PCC. Cost estimations suggest reduction 38–44% total plant when compared to case. However, reclaimer operating governs overall is highly sensitive sulfur content. A 50% observed levels reduce from 700 200 ppm. Comparing levelised electricity avoided against our case, low brown coal has slight (5–7%) advantage; however, confirmation requires recovery.