Kinetics of CO2 absorption in aqueous sodium glycinate solutions

Seungmoon Lee; Ho Jun Song; Sanjeev Maken; Jin Won Park

doi:10.1021/ie061270e

Kinetics of CO₂ absorption in aqueous sodium glycinate solutions

Seungmoon Lee, Ho Jun Song, Sanjeev Maken, Jin Won Park

Department of Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article › peer-review

78 Citations (Scopus)

Abstract

The physical solubility and diffusivity of N₂O and CO ₂ in aqueous sodium glycinate (SG) solutions of various concentrations (1.0-3.5 kmol/m³) and temperatures (303.15-323.15 K) were reported. The kinetics of the reaction between CO₂ and SG has been studied using absorption data measured by a wetted-wall column apparatus at various temperatures and concentrations. The second-order rate constant of CO₂ with SG was determined to be k₂(m³ kmol^-1 s^-1) = 1.95 × 10¹³ exp(-7670/T), where T is the absolute temperature (given in Kelvin). The activation energy for the reaction of CO₂ with SG was calculated to be 63.8 kJ/mol.

Original language	English
Pages (from-to)	1578-1583
Number of pages	6
Journal	Industrial and Engineering Chemistry Research
Volume	46
Issue number	5
DOIs	https://doi.org/10.1021/ie061270e
Publication status	Published - 2007 Feb 28

All Science Journal Classification (ASJC) codes

Chemistry(all)
Chemical Engineering(all)
Industrial and Manufacturing Engineering

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title = "Kinetics of CO2 absorption in aqueous sodium glycinate solutions",

abstract = "The physical solubility and diffusivity of N2O and CO 2 in aqueous sodium glycinate (SG) solutions of various concentrations (1.0-3.5 kmol/m3) and temperatures (303.15-323.15 K) were reported. The kinetics of the reaction between CO2 and SG has been studied using absorption data measured by a wetted-wall column apparatus at various temperatures and concentrations. The second-order rate constant of CO2 with SG was determined to be k2(m3 kmol-1 s-1) = 1.95 × 1013 exp(-7670/T), where T is the absolute temperature (given in Kelvin). The activation energy for the reaction of CO2 with SG was calculated to be 63.8 kJ/mol.",

author = "Seungmoon Lee and Song, {Ho Jun} and Sanjeev Maken and Park, {Jin Won}",

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T1 - Kinetics of CO2 absorption in aqueous sodium glycinate solutions

AU - Lee, Seungmoon

AU - Song, Ho Jun

AU - Maken, Sanjeev

AU - Park, Jin Won

PY - 2007/2/28

Y1 - 2007/2/28

N2 - The physical solubility and diffusivity of N2O and CO 2 in aqueous sodium glycinate (SG) solutions of various concentrations (1.0-3.5 kmol/m3) and temperatures (303.15-323.15 K) were reported. The kinetics of the reaction between CO2 and SG has been studied using absorption data measured by a wetted-wall column apparatus at various temperatures and concentrations. The second-order rate constant of CO2 with SG was determined to be k2(m3 kmol-1 s-1) = 1.95 × 1013 exp(-7670/T), where T is the absolute temperature (given in Kelvin). The activation energy for the reaction of CO2 with SG was calculated to be 63.8 kJ/mol.

AB - The physical solubility and diffusivity of N2O and CO 2 in aqueous sodium glycinate (SG) solutions of various concentrations (1.0-3.5 kmol/m3) and temperatures (303.15-323.15 K) were reported. The kinetics of the reaction between CO2 and SG has been studied using absorption data measured by a wetted-wall column apparatus at various temperatures and concentrations. The second-order rate constant of CO2 with SG was determined to be k2(m3 kmol-1 s-1) = 1.95 × 1013 exp(-7670/T), where T is the absolute temperature (given in Kelvin). The activation energy for the reaction of CO2 with SG was calculated to be 63.8 kJ/mol.

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Kinetics of CO₂ absorption in aqueous sodium glycinate solutions

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