Characteristic of precipitated metal carbonate for carbon dioxide conversion using various concentrations of simulated seawater solution

Eunji Choi, Dongwoo Kang, Yunsung Yoo, Jinwon Park, Il sang Huh

Research output: Contribution to journalArticle

Abstract

Global warming has mentioned as one of the international problems and these researches have conducted. Carbon Capture, Utilization and Storage (CCUS) technology has improved due to increasing importance of reducing emission of carbon dioxide. Among of various CCUS technologies, mineral carbonation can converted CO2 into high-cost materials with low energy. Existing researches has been used ions extracted solid wastes for mineral carbonation but the procedure is complicated. However, the procedure using seawater is simple because it contained high concentration of metal cation. This research is a basic study using seawater-based wastewater for mineral carbonation. 3 M Monoethanolamine (MEA) was used as CO2 absorbent. Making various concentrations of seawater solution, simulated seawater powder was used. Precipitated metal carbonate salts were produced by mixing seawater solutions and rich-CO2 absorbent solution. They were analyzed by X-ray Diffraction (XRD), Scanning Electron Microscope (SEM), and Thermogravimetric Analysis (TGA) and studied characteristic of producing precipitated metal carbonate and possibility of reusing absorbent.

Original languageEnglish
Pages (from-to)539-546
Number of pages8
JournalKorean Chemical Engineering Research
Volume57
Issue number4
DOIs
Publication statusPublished - 2019 Jan 1

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)

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