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Manganese Removal in Water Treatment Processes  

Kim, Jinkeun (한국수자원공사 수자원교육원)
Jeong, Sanggi (한국수자원공사 수도관리처)
Kim, Jeongsook (한국수자원공사 충남중부권관리단)
Park, Sejin (한국수자원공사 성남권관리단)
Publication Information
Journal of Korean Society of Water and Wastewater / v.19, no.5, 2005 , pp. 595-604 More about this Journal
Abstract
To determine the characteristics of manganese removal in Korea, 31 multi-regional water treatment plants (WTPs) were examined. The concentration of manganese in raw water was higher than the standards for drinking water at 2 WTPs. Manganese should be properly removed during water treatment processes to reduce the occurrence of black water in the distribution system because $Mn^{+2}$ can cause black deposits when it is oxidized. Manganese can effectively removed by oxidation, followed by sedimentation and filtration as well as absorption by greensand. Manganese absorption by greensand was the major mechanism for the removal of manganese, and it is effectively removed using this process. Regeneration of greensand using an oxidation agent was necessary for continuous and adequate removal of manganese.
Keywords
manganese removal; greensand; black water; oxidation;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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