Environmental Remediation and Conversion of Carbon Dioxide CO2 into Useful Green Products by Accelerated Carbonation TechnologyReport as inadecuate




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Korea Institute of Geoscience and Mineral Resources KIGAM, 92 Gwahang-no, Yuseong-gu, Daejeon 305-350, Korea





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Abstract This paper reviews the application of carbonation technology to the environmental industry as a way of reducing carbon dioxide CO2, a green house gas, including the presentation of related projects of our research group. An alternative technology to very slow natural carbonation is the co-called ‘accelerated carbonation’, which completes its fast reaction within few hours by using pure CO2. Carbonation technology is widely applied to solidify or stabilize solid combustion residues from municipal solid wastes, paper mill wastes, etc. and contaminated soils, and to manufacture precipitated calcium carbonate PCC. Carbonated products can be utilized as aggregates in the concrete industry and as alkaline fillers in the paper or recycled paper making industry. The quantity of captured CO2 in carbonated products can be evaluated by measuring mass loss of heated samples by thermo-gravimetric TG analysis. The industrial carbonation technology could contribute to both reduction of CO2 emissions and environmental remediation. View Full-Text

Keywords: carbon dioxide CO2; accelerated carbonation; municipal solid waste; paper mill waste; precipitated calcium carbonate PCC; recycled paper; thermo-gravimetric TG analysis carbon dioxide CO2; accelerated carbonation; municipal solid waste; paper mill waste; precipitated calcium carbonate PCC; recycled paper; thermo-gravimetric TG analysis





Author: Mihee Lim, Gi-Chun Han, Ji-Whan Ahn * and Kwang-Suk You

Source: http://mdpi.com/



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