Solvent regeneration includes both solvent stripping and solvent reclaiming. The stripping sections have very different configurations, making comparison difficult. The single solvent stripper in the Panda design is 6.67 m diameter (cross-section area 34.9 m 2 ) by 43.58 m tangent-to-tangent with a cost of $13.8MM for the stripper vessel and $6.7MM for condenser and reboiler. In addition to the stripper, there is a semi-lean flash system which contributes $0.5MM to the solvent regeneration category. The Mustang design uses two strippers that are 3.8 m in diameter (cross-section area 11.4 m 2 ) by 21.2 m tangent-to-tangent at a cost of $3.8MM for both vessels. The steam heater and CO 2 cooler exchangers total $4.4MM for both strippers and have analogous purpose to the reboiler and condenser of the Panda design.