상하수도학회지 (Journal of Korean Society of Water and Wastewater)

  • 제21권2호
  • /
  • Pages.195-201
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  • 2007
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  • 1225-7672(pISSN)
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  • 2287-822X(eISSN)
대한상하수도학회 (The Korean Society of Water and Wastewater)
권호 표지

평막을 이용한 침지형 막여과시스템에서 고농도 분말활성탄 주입에 의한 수처리성능 개선 효과

The Effects of PAC (Powdered Activated Carbon) on Water Treatment Performance of an Immersed Membrane System Using Flat-sheet Membrane Module

  • 투고 : 2007.01.04
  • 심사 : 2007.03.05
  • 발행 : 2007.04.15
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초록

A submerged flat-sheet membrane separation system integrated with PAC (powdered activated carbon) was used in this research in order to investigate the effects of PAC on the efficiencies of operation and treatment and to evaluate the performance of the system. The experiments were carried out under operating conditions of a filtration rate of 0.38 m/d, water temperature of $20-28^{\circ}C$, and PAC dose of 0 g/L (Run-A) and 20 g/L (Run-B). The influent concentrations of TOC (total organic carbon), $NH_4{^+}-N$ (ammonia nitrogen) and $UV_{254}$ (UV absorbance at 254 nm) were 2.48 mg/L, 1.4 mg/L and 2.53 1/m, respectively. TOC removal of 43.2 and 73.6%, ammonia nitrogen removal of 4.9 and 15.9%, and $UV_{254}$ removal of 20.6 and 31.6% were obtained for Run-A and Run-B, respectively. During an experimental period of 33 days, no change was found in TMP (Run-B), but the TMP in Run-A increased by 5 kPa after 29 days. This research showed that the filtrate quality and the performance efficiency were enhanced when PAC was introduced into the filtration system.

키워드

과제정보

연구 과제 주관 기관 : Myongji University

참고문헌

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