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http://dx.doi.org/10.12925/jkocs.2015.32.1.116

An experimental study on preparation of precipitated calcium carbonate using Ca component dissolution characteristics and liquid carbonation by the Industrial byproducts  

Lim, Yun-Hui (Technology Institute, Anytech Co., Ltd.)
Lee, Ju-Yeol (Technology Institute, Anytech Co., Ltd.)
Shin, Jae-Ran (Technology Institute, Anytech Co., Ltd.)
Choi, Chang-Sik (Plant Engineering Center, Institute for Advanced Engineering)
Hong, Bum-Ui (Plant Engineering Center, Institute for Advanced Engineering)
Kang, Ho Jong (IK Co., Ltd.)
Park, Byung Hyun (Technology Institute, Anytech Co., Ltd.)
Publication Information
Journal of the Korean Applied Science and Technology / v.32, no.1, 2015 , pp. 116-126 More about this Journal
Abstract
The present study utilized a shuttle mechanism of wet chemical absorption using MEA. In addition, industrial by-products containing a large amount of inorganic alkali substances were utilized for wet carbonization process. Chemical pretreatment of industrial by-products extracted calcium ions. ICP result of calcium ion was obtained up to 17,900 ppm(17.9%) by acidic substance. And also, In this work, 94% of recovery rate was obtained using wet MEA absorption process from $CO_2$ flow at the ambient condition. Through the liquid carbonation process, a sludge was fixed with rate of 0.175 mg of $CO_2$ per mg of sludge. It was found from XRD results that the structure of final product was composed of a calcite structure which is general structure of $CaCO_3$.
Keywords
Liquid carbonation; Carbon dioxide; Absorption; Industrial byproduct; Dissolution;
Citations & Related Records
Times Cited By KSCI : 7  (Citation Analysis)
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