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

Topic(s): Carbon capture use and storage (CCUS), CO₂ capture

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.

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