Journal of Korean Society of Water and Wastewater (상하수도학회지)

The Korean Society of Water and Wastewater (대한상하수도학회)
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Manganese Removal in Water Treatment Processes

상수처리에서 망간 제거

  • 김진근 (한국수자원공사 수자원교육원) ;
  • 정상기 (한국수자원공사 수도관리처) ;
  • 김종숙 (한국수자원공사 충남중부권관리단) ;
  • 박세진 (한국수자원공사 성남권관리단)
  • Received : 2005.07.04
  • Accepted : 2005.10.07
  • Published : 2005.10.15
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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

References

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