Carbon capture and utilisation technologies applied to energy conversion systems and other energy-intensive industrial applications

Two reactive gas-liquid and gas-solid methods were evaluated through illustrative examples. The first evaluated CO2 capture option is based on gas-liquid absorption using chemical solvents (alkanolamines). The second capture option is based on calcium looping system. The carbon capture rate is set to 90%. Various coal-based processes were considered as illustrative examples e.g. combustion, gasification, cement production, integrated steel mill, coal to chemicals etc. The proposed conceptual designs were simulated; the mass & energy balances as well as the thermal integration tools were used to quantify the key technical and environmental performance indicators. The assessments show that CCUS technologies have significant advantages in reducing the environmental impact of energy-intensive industrial applications and simultaneously to produce useful products.