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Title: Absorption of carbon dioxide into a mixed aqueous solution of diethanolamine and piperazine
Authors: Mondal, M K
Keywords: DEA;PZ;CO2 Loading;Total amine;Bubble column
Issue Date: Nov-2010
Publisher: NISCAIR-CSIR, India
Abstract: The CO2 loading in aqueous mixtures of diethanolamine (DEA) and piperazine(PZ), from a mixture of CO2 and N2, has been measured for total amine concentrations and mole ratios of PZ to total amine ranging from 2.0 to 3.0 M and 0.01 to 0.20, respectively, at 313.14 K and 15.199 kPa CO2  partial pressure. Measurements were made by a saturation method using a laboratory scale bubble column. The results of CO2 loading are expressed as XCO2 (mole CO2/mole of total amine) for all experimental runs. A model is given to predict the CO2 loading in aqueous mixture of DEA and PZ. The model predictions have been in good agreement with the experimental data of CO2 loading in aqueous mixture of DEA and PZ with the average deviation of 8.67.
Page(s): 431-435
ISSN: 0975-0991 (Online); 0971-457X (Print)
Appears in Collections:IJCT Vol.17(6) [November 2010]

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