Chemical Capture of CO2 by Glycine Salt Solution

Authors

  • Elaheh Goharshadi Department of Chemistry, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran
  • Hossein Ahmadzadeh Department of Chemistry, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran
  • Shabnam Naderi Department of Chemistry, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran
Abstract:

The role of carbon dioxide in global warming is one of the contemporary environmental issues and it is, therefore, necessary to have available technology to capture the released CO2 into the atmosphere. Amino acids have the same amine functionality as alkanolamines with similar behavior towards CO2 absorption. The solubility of carbon dioxide in potassium glycinate (KG) solutions with different concentrations at various temperatures was measured. The results showed that the mole of CO2‌‌ adsorbed, increases both by temperature and the concentration of KG. The against the KG concentration at different temperatures was fitted with a sigmoidal function so that the moles of CO2‌‌ adsorbed can be reproduced in the temperature range of 300.15 to 327.15 K and the concentrations of 0.01-1.00 M of KG within the experimental errors.

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Journal title

volume 7  issue 4

pages  765- 774

publication date 2019-12-01

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