Development of an aqueous ammonia based PCC technology for Australian conditions: process modelling of combined SO2 and CO2 capture using aqueous ammonia

This research project focuses on the development of the advanced aqueous ammonia based post combustion capture (PCC) technology. Two years into the project a novel process was proposed integrating CO2 and SO2 removal, flue gas cooling and ammonia recycle. Under the typical flue gas conditions, the proposed process has a SO2 removal efficiency of over 99.9% and ammonia reuse efficiency of 99.9%, which was confirmed by the experimental results. A rate based model was also developed for the aqueous ammonia based CO2 capture process and validated using the results from Munmorah Power Station pilot plant trials.

Commonwealth Scientific and Industrial Research Organisation (CSIRO)
Australian National Low Emissions Coal Research & Development (ANLEC R&D)
Carbon capture, use and storage (CCUS)
CO2 capture

Novel integration process proposed for aqueous ammonia based solvent.

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