상하수도학회지 (Journal of Korean Society of Water and Wastewater)

  • 제33권3호
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  • Pages.225-234
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  • 2019
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  • 1225-7672(pISSN)
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  • 2287-822X(eISSN)
대한상하수도학회 (The Korean Society of Water and Wastewater)
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정수처리에서 TDS가 THMs 생성에 미치는 영향

Effects of TDS on formation of THMs in drinking water treatment

  • Lee, Seulki (Department of Chemical Engineering, Soongsil University) ;
  • Kwak, Yeonwoo (Department of Chemical Engineering, Soongsil University) ;
  • Hong, Seongho (Department of Chemical Engineering, Soongsil University)
  • 투고 : 2019.04.11
  • 심사 : 2019.06.19
  • 발행 : 2019.06.15
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초록

This study is focused on effects of factors that affect the formation of THMs during chlorination in drinking water treatment. During the chlorination, chlorine consumption is increased by increasing the initial chlorine dose, the pH and the total dissolved solid (TDS) concentration. Also THMs formation is increased up to $58.82{\mu}g/L$ and $55.54{\mu}g/L$ by increasing initial chlorine concentration and increasing pH. However, concentration of chloroform is decreased by increasing TDS concentration. This is caused the cation($Na^+$) of the total dissolved solids preferentially reacts with the functional groups of the organic material which influence the trihalomethane formation. But total trihalomethane formation is increased up to $127.46{\mu}g/L$ by $Br^-$ contained in the total dissolved solids. DOC reduction was not influenced by any of the factors.

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참고문헌

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