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Highlights • Rate-based model of CO2 capture from cement plant using AMP-PZ-MEA is simulated. • The techno-economic analysis was performed using guesstimates from equipment vendors and original equipment manufacturers. • Reduction in carbon capture costs was achieved by using AMP-PZ-MEA blend. • Effect of CO 2 capture and efficiency, amine type, carbon tax, CO 2 sales price, energy penalty on cement price is studied. • Cement price was reduced by utilizing AMP-PZ-MEA based CO 2 capture. Abstract This research covered the rate-based process simulation (ProMax® 4.0) and techno-economic analysis of carbon dioxide (CO 2) capture from a 1.2 million metric tonne per annum cement plant using aqueous 2 kmol/m3 AMP-1 kmol/m3 PZ-2 kmol/m3 MEA blend. The waste gas composition for this study was provided by a cement plant from Quebec, Canada. The effect of amine type, energy penalty, and CO 2 capture efficiency (50% to 90%) on the capture costs (US$/tonne CO 2 and US$/tonne cement) were investigated. Sensitivity analysis on the impact of CO 2 capture plant, carbon tax (US$ 20 to US$ 40 per tonne of CO 2), CO 2 sales price (US$ 10 to US$ 40 per tonne of CO 2), energy penalty and CO 2 capture efficiency on the cement price was also investigated. Results revealed that at 90% CO 2 capture efficiency, the capture costs of AMP-PZ-MEA (US$77.34/tonne CO 2 and US$44.94/tonne cement) is lower than that of MEA (US$93.23/tonne CO 2 and US$54.17/tonne cement). Results also revealed that the total equipment cost and capital expenditure (CAPEX) of MEA system (US$ 29.76 million and US$ 147.12 million) higher than that of AMP-PZ-MEA blend (US$ 23.39 million and US$ 127.59 million). Cash flow analysis showed that without adding a CO 2 capture unit to a cement plant, carbon tax increased the cement price up to 22.9%. However, a combination of the high carbon tax, high CO 2 sales price, low energy penalty, and high capture efficiency increased the cement price up to 1.2% for the MEA system but reduced the cement price up to 5% for the AMP-PZ-MEA system. This comprehensive study shows that a cost-effective and energy-efficient amine blend, energy penalty, CO 2 capture efficiency, carbon tax, and CO 2 sales prices are all integral towards reducing the cement price while significantly reducing the CO 2 emissions. [ABSTRACT FROM AUTHOR] |
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