See Retrofit or Adjustment Factor Inputs for an explanation of retrofit costs. The ionic liquid CO2 capture system has the following capital cost process areas: • Absorbers: The IL-based absorbers use ...

• Lean Solvent Coolers: Gases from the slump tank are recycled back into the absorber. ... • Rich & Lean Solvent Heat Exchangers: The CO2-rich solvent must be heated in order to strip off CO2 and ...