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Wastewater Treatment of Papermaking by Using Oyster Shells  

Cho Jun Hyung (Dept. of Paper Science & Engineering, College of Forest Sciences, Kangwon National University)
Cho Jung Won (Dept. of Paper Science & Engineering, College of Forest Sciences, Kangwon National University)
Lee Young Won (Dept. of Paper Science & Engineering, College of Forest Sciences, Kangwon National University)
Lim Tawk lun (Hansu Ltd.)
Publication Information
Journal of Korea Technical Association of The Pulp and Paper Industry / v.36, no.4, 2004 , pp. 60-66 More about this Journal
Abstract
In this paper, oyster shell, diatomaceous earth, and active carbon were used as filter media for treating wastewater produced in paper mills. After filtering, the changes of COD and turbidity were investigated. As the results of estimating the efficiency of wasterwater treatment, porous oyster shell having higher specific surface area in powder was more effective than the others in removal of contaminants in waterwater, especially turbidity.
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