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Process evaluation of CO2 capture in three industrial case studies

Stefania Osk Gardarsdottir (Institutionen för energi och miljö, Energiteknik) ; Fredrik Normann (Institutionen för energi och miljö, Energiteknik) ; Klas Andersson (Institutionen för energi och miljö, Energiteknik) ; Filip Johnsson (Institutionen för energi och miljö, Energiteknik)
Energy Procedia: 12th International Conference on Greenhouse Gas Control Technologies, GHGT 2014; University of Texas at AustinAustin; United States; 5 October 2014 through 9 October 2014 (1876-6102). Vol. 63 (2014), p. 6565-6575.
[Konferensbidrag, refereegranskat]

This work evaluates the technical performance of post-combustion CO2 capture integrated with industrial processes through three plant level case studies; a kraft pulp mill, an oil refinery and an aluminum mill. As a reference, a comparison is made by applying the same capture process to a coal-fired power plant. Size and quality of the CO2 streams as well as opportunities for waste heat utilization at each industrial plant are evaluated. The heat requirement for MEA and ammonia based capture are found to be in the ranges of 3610-4400 and 2760-3680 kJ/kg CO2 for the different industrial processes, with the range strongly influenced by the CO2 concentration in the treated flue gas. For comparison, the heat requirement of the two capture processes when applied to the power plant is 3850 kJ/kg CO2 using MEA and 2850 kJ/kg CO2 using ammonia. Waste heat utilization is also crucial to the implementation of CO2 capture; one case, the aluminum mill, covered almost 60% of the heat requirement with waste heat. Industrial sources could therefore offer opportunities for efficient implementation of carbon capture.

Nyckelord: CO2 capture; post-combustion; industrial sources; chemical absorption

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Denna post skapades 2015-01-05. Senast ändrad 2015-10-21.
CPL Pubid: 209594


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Institutioner (Chalmers)

Institutionen för energi och miljö, Energiteknik (2005-2017)



Chalmers infrastruktur

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Modeling of post-combustion carbon capture in power plants and process industries - partial capture and load following conditions