D5.3 Advanced capture configurations for selected pulp and paper plants incl. techno-economic analysis

This report presents estimations of CO2 capture and avoidance costs for advanced CO2 captureintegration configurations in pulp and paper mills. The report is a deliverable from work package 5of the ACCSESS project, where focus has been on Stora Enso’s kraft pulp mill located in Skutskär(Sweden) and Stora Enso’s recycled paper mill located in Langerbrugge (Belgium). The capturetechnologies considered for pulp and paper mill integration are post-combustion capturetechnologies using an amine-based solvent (AMP/PZ) and a carbonate-based solvent (CO2Solutions). In the Pulp Mill, heat integration opportunities for both capture technologies were evaluated usingpinch-analysis tools. The results indicate that the high-temperature excess heat from the recoveryboilers is sufficient to meet the heat demand for capture. However, without additional fuel use,integrating carbon capture in this way would result in a loss in electricity generation. Similarly, inthe Paper Mill, it was found that the heat demand for capturing CO2 could only be met by steamextraction from one of the turbines, with a resulting loss in electricity generation. Comparing the capture cost between the Paper Mill and Pulp Mill confirmed that site-specificfactors, such as CO2 flow, concentration of CO2 in the flue gases and the geographical location ofthe mill, have a strong influence on the capture cost.