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A Study on Stabilization of Water Treatment System Operation through Inter-blending Method: in Response to Heavy Precipitation by Climate Change

  • Crisisonomy
  • Abbr : KRCEM
  • 2016, 12(2), pp.79-87
  • Publisher : Crisis and Emergency Management: Theory and Praxis
  • Research Area : Social Science > Public Policy > Public Policy in general

김태열 1 신성훈 2 이학수 3 신태섭 1 Woo Dal Sik 1

1한국계면공학연구소
2(재)한국계면공학연구소 물환경연구센터
3(재)한국계면공학연구소

Accredited

ABSTRACT

This paper aims to examine how to maintain stable water quality of raw water in response to urgent circumstances of high contamination level by applying inter-blending to the treatment process of surface water contamination due to heavy precipitation or typhoons during the summer. The turbidity category of 150-200 NTU and more than 300 NTU were adjusted to high-turbidity concentration through cray suspension spiking, thereby stabilizing surface water quality. There was no significant effect on the improvement of process efficiency for the average category, turbidity of 10-29% depending on the blending ratio and TOC of 10-17% of processing efficiency for the category of 150-200 NTU, and turbidity of 11-20% and TOC 8-30% processing efficiency for the category of more than 300 NTU. The experiment confirmed that inter-blending could stabilize water quality and minimize the overload effect during the process in case of high level of turbidity occurs.

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