Journal of Korean Society of Water and Wastewater (상하수도학회지)

The Korean Society of Water and Wastewater (대한상하수도학회)
권호 표지

Evaluation of Primary Clarifier by Wastewater TSS Characterization

수질 특성(TSS) 파악을 통한 1차 침전지 성능 평가 (TSS 농도를 중심으로)

  • 이병희 (경기대학교 공과대학 환경공학전공)
  • Published : 2009.06.15
Download PDF
⟨ Previous Next ⟩

Abstract

In order to evaluate primary clarifier performance on TSS(Total Suspended solids) removal, four different sampling sets were collected as part of this study; (1) weekly test, (2) the diurnal sampling, (3) the settling velocity distribution sampling. Primary effluent TSS($TSS_{PE}$) and non settleable TSS($TSS_{NON}$) concentrations were averaged 160 and 75.5 mg/L, respectively. These data suggest approximately 85 mg/L TSS can be removed more. Average $TSS_{NON}$, $TSS_{PE}$, and Dispersed TSS(DTSS) concentrations(75.5, 160, and 104 mg/L, respectively) suggest that 28.5 mg/L of TSS difference attributable to poor flocculation, whereas 56 mg/L of TSS difference attributable to poor hydraulics within primary clarifier. In this study, equations for maximum TSS removal efficiency and effluent TSS concentration were suggested and compared with experimented data.

Keywords

Acknowledgement

Supported by : 경기대학교

References

  1. 환경부(2000), '수질오염공정시험방법'
  2. 환경관리공단(2008), '2006 하수도통계', 한국상하수도협회
  3. 황규대, 김태경(2007), '생물학적 질소․인제거 공정에서 일차 침전지의 영향', 물환경공학회지, 23(1), pp. 19-26
  4. Metcalf & Eddy(2003) 'Wastewater Engineering : Treatment and Reuse - Forth Edition', Mcgraw-Hill, pp. 396-406
  5. Tebutt, T.H.Y. and D.G. Christoulas (1975). 'Performance relationships for primary sedimentation', Water Research, 9, 347 https://doi.org/10.1016/0043-1354(75)90180-3
  6. Wahlberg, E. J., J.P. Crowley, H.Z. Gerges, G. Chesler, J. Kelley and L. Putnum (1998). 'A whole plant approach to evaluating activated sludge treatment plant capacity, CD ROM proceedings of the Water Environment Federation 71st Annual Conference ＆ Exposition', Water Environment Federation, Alexandria, Virginia
  7. Wahlberg, E. J., Brown P.E. Ph.D., Caldwell (2006). 'Determine The Effect of Individual Wastewater Characteristics And Variances on Primary Clarifier Performance', Water Environment Research Foundation