Development of an aqueous ammonia based PCC technology for Australian conditions: technical report no. 3
11th July 2014
Post combustion capture of CO2 in power generation using commercial amines results in a significant efficiency loss (25-30%). Using an aqueous ammonia solvent can reduce this loss because it has nearly double the carrying capacity and 40% lower re-generation energy among other benefits. Realising this potential requires promoting the rate of absorption and optimising its performance by establishing fundamental kinetic relationships for the reactions. This report delivers the data for the use of piperazine and proline as promoters. Results to date are equivalent to - though have not yet exceeded the performance of benchmark MEA at the high CO2 loadings required for PCC. This project remains in progress.
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