Techno-economic analysis of polygeneration systems with carbon capture and storage and CO2 reuse

Chemical Engineering Journal, Volume 219, 1 March 2013, Pages 96–108
Techno-economic analysis of polygeneration systems with carbon capture and storage and CO2 reuse
Kok Siew Ng a, Nan Zhang a, Jhuma Sadhukhan b
a Centre for Process Integration, School of Chemical Engineering and Analytical Science, The University of Manchester, Manchester M13 9PL, UK
b Centre for Environmental Strategy, University of Surrey, Guildford GU2 7XH, UK
Abstract
Authors examine a number of decarbonised polygeneration schemes which exploit carbon capture and storage (CCS) or CO2 reuse technologies for the generation of clean fuels, chemicals, electricity and heat. They implement process simulation, energy integration and economic analysis to analyze the effect of process configurations and operating conditions on the economic potential (EP) and risks.
Results indicate that post-combustion CO2 tri-reforming into methanol production in addition to electricity generation produces favorable economics compared to the counterpart integrated gasification combined cycle (IGCC) with CCS scheme. Consequently, increasing product portfolio from energy products in a cogeneration plant to chemical products evolved from thermodynamic and process integration synergies increases the techno-economic viability.
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