Abstract
This chapter discusses that Mitsubishi heavy industries, ltd. (MHI), and Kansai electric power co. (KEPCO) jointly developed the post combustion amine scrubbing technology. KEPCO & MHI's flue gas CO2 recovery process that use proprietary hindered amine with special equipment. The main objective of this chapter is to achieve economical CO2 recovery for enhanced oil recovery (EOR) or storage. It includes the design of large CO2 recovery plant and process optimization for operational cost reduction. Performance of the advanced KEPCO & MHI's flue gas CO2 recovery process is compared to its predecessor process. It concludes that improved heat recovery around CO2 stripper resulted in 15 % reduction of steam requirement for regeneration. Solvent loss is reduced by installing proprietary device at the top of absorber, and structured packing enabled compact tower, to increase flue gas velocity and power reduction of flue gas blower.
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