Solubility of CO2 in amino-acid-based solutions of (potassium sarcosinate), (potassium alaninate + piperazine), and (potassium serinate + piperazine)

Dongwoo Kang, Sangwon Park, Hoyong Jo, Jaehong Min, Jin Won Park

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Amino acid salt solutions are useful as carbon dioxide absorbents. In this study, vapor-liquid equilibrium (VLE) experiments were conducted using 4 M K-SAR, 1.5 M K-ALA-PZ, and 1.5 M K-SER-PZ solutions. Partial pressures and solubilities were measured for each absorbent solution at temperatures of 313.15 K, 333.15 K, and 353.15 K. The range of CO2 partial pressure measured at 313.15 K over 4 M K-SAR was from 0 kPa to 812.5 kPa with loadings from 0.06 to 0.98. The partial pressures of CO2 ranged from 0.2 kPa to 1041.7 kPa with loadings from 0.1 to 1.09 at 313.15 K over 1.5 M K-ALA-PZ absorbent solution. The partial pressures of CO2 ranged from 0 kPa to 665.5 kPa with loadings from 0.1 to 1.14 at 313.15 K over 1.5 M K-SER-PZ absorbent solution.

Original languageEnglish
Pages (from-to)1787-1791
Number of pages5
JournalJournal of Chemical and Engineering Data
Volume58
Issue number6
DOIs
Publication statusPublished - 2013 Jun 13

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Potassium
Amino acids
Solubility
Partial pressure
Amino Acids
Carbon Dioxide
Phase equilibria
Carbon dioxide
Salts
piperazine
Experiments
Temperature

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

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title = "Solubility of CO2 in amino-acid-based solutions of (potassium sarcosinate), (potassium alaninate + piperazine), and (potassium serinate + piperazine)",
abstract = "Amino acid salt solutions are useful as carbon dioxide absorbents. In this study, vapor-liquid equilibrium (VLE) experiments were conducted using 4 M K-SAR, 1.5 M K-ALA-PZ, and 1.5 M K-SER-PZ solutions. Partial pressures and solubilities were measured for each absorbent solution at temperatures of 313.15 K, 333.15 K, and 353.15 K. The range of CO2 partial pressure measured at 313.15 K over 4 M K-SAR was from 0 kPa to 812.5 kPa with loadings from 0.06 to 0.98. The partial pressures of CO2 ranged from 0.2 kPa to 1041.7 kPa with loadings from 0.1 to 1.09 at 313.15 K over 1.5 M K-ALA-PZ absorbent solution. The partial pressures of CO2 ranged from 0 kPa to 665.5 kPa with loadings from 0.1 to 1.14 at 313.15 K over 1.5 M K-SER-PZ absorbent solution.",
author = "Dongwoo Kang and Sangwon Park and Hoyong Jo and Jaehong Min and Park, {Jin Won}",
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Solubility of CO2 in amino-acid-based solutions of (potassium sarcosinate), (potassium alaninate + piperazine), and (potassium serinate + piperazine). / Kang, Dongwoo; Park, Sangwon; Jo, Hoyong; Min, Jaehong; Park, Jin Won.

In: Journal of Chemical and Engineering Data, Vol. 58, No. 6, 13.06.2013, p. 1787-1791.

Research output: Contribution to journalArticle

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