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Title: Absorption of carbon dioxide into a mixed aqueous solution of diethanolamine and piperazine
Authors: Mondal, M K
Keywords: DEA
CO<sub>2</sub> Loading
Total amine
Bubble column
Issue Date: Nov-2010
Publisher: NISCAIR-CSIR, India
Abstract: The CO<sub>2</sub> loading in aqueous mixtures of diethanolamine (DEA) and piperazine(PZ), from a mixture of CO<sub>2</sub> and N<sub>2</sub>, 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 CO<sub>2 </sub>&nbsp;partial pressure. Measurements were made by a saturation method using a laboratory scale bubble column. The results of CO<sub>2</sub> loading are expressed as X<sub>CO2</sub> (mole CO<sub>2</sub>/mole of total amine) for all experimental runs. A model is given to predict the CO<sub>2</sub> loading in aqueous mixture of DEA and PZ. The model predictions have been in good agreement with the experimental data of CO<sub>2</sub> loading in aqueous mixture of DEA and PZ with the average deviation of 8.67.
Description: 431-435
ISSN: 0975-0991 (Online); 0971-457X (Print)
Appears in Collections:IJCT Vol.17(6) [November 2010]

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