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PDU-Scale Experimental Results of CO2 Removal With Amp/Pz Solvent

Śpiewak D., Krótki A., Spietz T., Stec M., Więcław-Solny L., Tatarczuk A., Wilk A.

Chemical and Process Engineering

2015

Vol. 36, nr 1

39--48

This paper provides a discussion concerning results of CO2 removal from a gas mixture by the application of aqueous solutions of ethanoloamine (MEA) and 2-amino-2-methyl-1-propanol (AMP) promoted with piperazine (PZ). The studies were conducted using a process development unit. Research of such a scale provides far more reliable representation of the actual industrial process than modelling and laboratory tests. The studies comprised comparative analyses entailing identical energy supplied to a reboiler as well as tests cond ucted at similar process efficiencies for both solvents. The results thus obtained imply that using AMP/PZ enables reduction of the solvent heat duty. Moreover, while using AMP/PZ temperature decrease was also observed in the columns.