Barium carbonate precipitation as a method to fix and utilize carbon dioxide

Sangwon Park, Jun Hwan Bang, Kyungsun Song, Chi Wan Jeon, Jin Won Park

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

This study focuses on a carbon capture and utilization (CCU) technology to fix carbon dioxide (CO2), with an emphasis on producing a useable product while lowering the energy consumed in the process. The amines monoethanolamine, diethanolamine, and methyl diethanolamine were employed to rapidly convert gaseous CO2 to aqueous CO2, and BaCl2 was added as a source of metal ions to react with the aqueous CO2 and rapidly form a precipitate. We repeated this absorption-conversion-precipitation-separation-desorption sequence twice. All experiments were conducted at 303.15K and 1atm, except for the desorption process that was used to assess the residual CO2 in the solution. We measured the amount of fixed CO2 and the characteristics of the BaCO3 precipitates. By X-ray diffractometry and scanning electron microscopy analyses, the precipitates exhibited the witherite morphology. The particle sizes of the second-batch precipitates were larger than those from the first batch. These results confirmed that the concentration of the supplied metal ions was important for controlling the precipitation. Finally, we showed that the particle size of the carbonate precipitates, which are used in various industries, can be controlled during their formation. Barium showed a similar potential to magnesium and calcium for fixing CO2.

Original languageEnglish
Pages (from-to)1251-1258
Number of pages8
JournalChemical Engineering Journal
Volume284
DOIs
Publication statusPublished - 2016 Jan 15

Fingerprint

barium
Barium
Carbon Dioxide
Precipitates
Carbonates
desorption
Carbon dioxide
carbon dioxide
particle size
carbonate
ion
metal
N-methyldiethanolamine
magnesium
calcium
scanning electron microscopy
Metal ions
Desorption
Particle size
industry

All Science Journal Classification (ASJC) codes

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

Cite this

Park, Sangwon ; Bang, Jun Hwan ; Song, Kyungsun ; Jeon, Chi Wan ; Park, Jin Won. / Barium carbonate precipitation as a method to fix and utilize carbon dioxide. In: Chemical Engineering Journal. 2016 ; Vol. 284. pp. 1251-1258.
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Barium carbonate precipitation as a method to fix and utilize carbon dioxide. / Park, Sangwon; Bang, Jun Hwan; Song, Kyungsun; Jeon, Chi Wan; Park, Jin Won.

In: Chemical Engineering Journal, Vol. 284, 15.01.2016, p. 1251-1258.

Research output: Contribution to journalArticle

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