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http://dx.doi.org/10.12925/jkocs.2016.33.2.232

Study on preparation of precipitated calcium carbonate using recycling water of ready-mixed Concrete  

Shin, Jae Ran (Technology Institute, Anytech Co., Ltd.)
Kim, Jae Gang (Technology Institute, Anytech Co., Ltd.)
Kim, Hae Gi (Technology Institute, Anytech Co., Ltd.)
Kang, Ho Jong (IK Co., Ltd.)
Publication Information
Journal of the Korean Applied Science and Technology / v.33, no.2, 2016 , pp. 232-238 More about this Journal
Abstract
In this study, a liquid carbonation method was applied for producing precipitate calcium carbonate by liquid-liquid reaction. Also a shuttle mechanism of wet chemical absorption using MEA was utilized. The high concentration $CO_2$(A) and exhaust gas(B) was used for collecting carbon dioxide in the 30% MEA aqueous solution, and $CO_2$ was fixed with rate of 0.35 mg of $CO_2$ per mg of sludge through the liquid carbonation process. It was found from SEM data that calcium carbonate was mainly made up with spherical vaerite with the mixing of a small quantity of calcite.
Keywords
Liquid carbonation; Carbon dioxide; Absorption; Industrial byproduct; elution;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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