Journal of Korean Society of Water and Wastewater (상하수도학회지)

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

Application of Particle Size Analysis to Predict the Settleability of CSO Pollutants

입경분포 분석을 활용한 합류식 하수관거 월류수(CSO) 오염물질 침강성 예측

  • Received : 2006.02.20
  • Accepted : 2006.04.14
  • Published : 2006.04.15
Download PDF
⟨ Previous Next ⟩

Abstract

Over the past decades, a flocculation and/or sedimentation process have been adopted to remove pollutants from CSOs. It has been learned that major factors affecting settlement of pollutants are the particle size distribution, their settling velocities and their specific gravity. It is, therefore, a good idea to analyze the particle size distribution and settleability of CSOs pollutants in order to develop details in designing a process. Discussed in this study are pollutant characteristics of CSOs such as particle size distribution and settleability of pollutants. The power law function is applied and is found to be an effective and reliable index for expressing the particle size distribution of pollutants in CSOs. Based on the regression analysis it is observed that the derived constants of curves representing settling velocity profile are proportional to the initial concentration of particles and to the ${\beta}$-values of power law distributions.

Keywords

References

  1. 이준호, 조용진, 방기웅 (2005) 강우시 도로유출수 수질 특성 및 입경분포, 대한환경공학회지, 27(7), pp. 777-784
  2. 한무영, 김충일, 이일룡, 전화조 (2002) Particle Counter를 이용한 정수장 침전지의 진단 및 개선, 대한상하수도학회 한국물환경학회 2002 공동추계학술발표회, 대구, G89-G92
  3. 한무영, 김진호, 김충일 (2003) 풀록의 크기를 이용한 최적교반 강도의 결정, 대한상하수도학회 한국물환경학회 2003 공동추계학술발표회, 부산, A45-A48
  4. Chebbo, G. and Bachoc, A., (1992) Characterization of suspended soilds in urban wet weather discharges, Wat. Sci. Tech., 25(8), pp. 171-179
  5. Milne, D. A., Jefferies, C., and Ashley, R. M., (1996) Pollutional aspect of gross soild and their interaction with sewer sediments, Wat. Sci. Tech., 33(9), pp. 31-37
  6. Becker, F. A., Hedges, P. D., and Smission, R. P. M., (1996) The distribution of chemical constituents within the sewage settling velocity grading curve, Wat. Sci. Tech., 33(9), pp. 143-146
  7. Chancelier, J. P., Chebbo, G., and Lucas-Aiguier, E. (1998) Estimation of settling velocities, Wat. Res., 32(11), pp. 3461-3471 https://doi.org/10.1016/S0043-1354(98)00114-6
  8. Levine, A. D., Tchobanoglous, G., and Asano, T. (1992) Particulate contaminants in wastewater: A comparison of measurement techniques and reported particle size distribution, J. Fluid particle separation, 4(7), pp. 89-106
  9. Aiguier, E., Chebbo, G., Bertrand-Krajewski, J-L., Hedges, P. D., and Tyack, N. (1996) Methods for determing the settling velocity profiles of solids in storm sewage, Wat. Sci. Tech., 33(9), pp. 117-125
  10. Lawler, D. F., O Melia, C. R., and Tobiason J. E. (1980) Integral water treatment plant design: from particle size to plant performance, In M.C. Kavanaugh & J. Leckie, eds., Particulates in water. Advan., In Chem. Ser. No. 189, American Chemical Soc., Washington, D.C.
  11. Linoya, K., Gotoh, K., and Higashitani, K. (1986) Poweder Technology Handbook, Marcel Dekker Inc.
  12. Kavanaugh, M. C., Tate, C. H., Trussell, R. R., and Trussel, G. (1980) Use of particle size distribution measurement, for selction and control of solid/lquid separation processes, In M.C. Kavanaugh & J. Leckie, eds., Particulates in water, Advances in Chemistry Series, 189. American Chemistry Society, Washington, D.C.
  13. Neis, U. and Tiehm, A. (1997) Particle size analysis in primary and secondary waste water effluents, Wat. Sci. Tech., 36(4), pp 151-158
  14. Randall, C. W., Ellis, K., Grizzard, T. J., and Knocke, W.R. (1982) Urban runoff pollutant removal by sedimentation, Proc. of the conference on stormwater detention facilities, ASCE
  15. Theroux, R. J. and Betz, J. M., (1959) Sedimentation and preaeration experiments at Los Angeles, Sewage and Industrial Wastes, 31, pp. 1259
  16. APHA, AWWA and WEF (1995) Standard Methods for the Examination of Water and Wastewater, 19th edition
  17. Smith, R., Preliminary design of simulation of conventional wastewater renovation systems using the digital computer, US EPA Report, 1968