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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 31 - 41 (11page)
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This study deals with inorganic Carbon dioxide Capture Utilization (CCU) by using seawater-based industrialwastewater. Industrial wastewater, which contains plenty of cations such as Ca2+ and Mg2+, is considered as a cation sourcefor mineral carbonation. Modeled industrial wastewater was used to study the tendency of mineral carbonation on variouscondition. Cation concentration of industrial wastewater was modified at various levels and then reacted with fully CO2-absorbed 30wt.% monoethanolamine (MEA) solution. A metal carbonate precipitated as a result of the reaction, and thesame experiment was performed with 1/3, 2/3 CO2-absorbed MEA solution to study the tendency of carbonation underdifferent CO32− conditions. The amount of precipitate was increased proportionally to the cation concentration and theamount of absorbed CO2. Most of the precipitate was calcium carbonate (CaCO3), although other metal carbonates werealso formed. Most of the CaCO3 was found in calcite form, but vaterite and aragonite were also formed under specificconditions. Based on the experimental results, we conclude that by controlling the concentration of cations and CO32−,we were able to optimize mineral carbonation conditions. We also noticed that low CO32− concentration in MEA solutionsis advantageous for producing high quality calcium carbonate crystals. Inductively Coupled Plasma (ICP), X-rayDiffraction (XRD), and Scanning Electron Microscopy (SEM) analyses were performed to analyze the precipitate.
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참고문헌 (16)
참고문헌 신청
Metz, B. / 2005 / IPCC special report on carbon dioxide capture and storage, Prepared by working group III of the intergovernmental panel on climate change / Cambridge University Press :442
Pachauri, R. K. / 2014 / Climate change 2014: Synthesis report, contribution of working groups I, II and III to the fifth assessment report of the intergovernmental panel on climate change :151
Gibbins, J. / 2008 / Carbon capture and storage / Enegy Policy 36(12):4317~4322
Kang, D. / 2014 / Carbon fixation using calcium oxide by an aqueous approach at moderate condition / Chemical Engineering Journal 248(15):200~207
Park, S. / 2013 / $CO_2$ (carbon dioxide) fixation by applying new chemical absorptionprecipitation methods / Energy 59:737~742
Pachauri, R. K. / 2014 / Climate change 2014: Synthesis report, contribution of working groups I, II and III to the fifth assessment report of the intergovernmental panel on climate change :151
Gibbins, J. / 2008 / Carbon capture and storage / Enegy Policy 36(12):4317~4322
Kang, D. / 2014 / Carbon fixation using calcium oxide by an aqueous approach at moderate condition / Chemical Engineering Journal 248(15):200~207
Park, S. / 2013 /
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