Journal of Korean Society of Environmental Engineers (대한환경공학회지)

Korean Society of Environmental Engineers (대한환경공학회)
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A Study of the Simultaneous Nitrification and Denitrification in a Single Bioreactor

단일 반응기를 이용한 동시 질산.탈질에 관한 연구

  • Park, Jong-Il (Department of Environmental Engineering, Seoul National University of Technology) ;
  • Lee, Tae-Jin (Department of Environmental Engineering, Seoul National University of Technology)
  • 박종일 (서울산업대학교 환경공학과) ;
  • 이태진 (서울산업대학교 환경공학과)
  • Published : 2007.02.28
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Abstract

In this study, effective simultaneous nitrification and denitrification reaction was accomplished in a completely mixed single bioreactor. As the important factors on the reaction, optimal DO concentration and effective range of influent C/N ratio was investigated with the synthetic wastewater. Experimental results show that stable nitrogen removals were accomplished with 0.5 mg/L DO concentration and over 7 C/N ratio. Nitrogen removal efficiency of the real municipal wastewater was low with 0.5 mg/L DO concentration because of its low C/N ratio. The increment of the C/N ratio at the inflow of the municipal wastewater with addition of external carbon source (glucose) over 7(up to 14) shows over 70% nitrogen removal in the single bioreactor.

본 연구에서는 완전혼합 방식의 단일 반응기에서 동시 질산 탈질반응을 구현하여 유입수 내 질소를 효과적으로 제거하고자 하였다. 동시 질산 탈질반응 적용 시 반응조 내의 용존산소 농도와 유입수의 C/N비가 중요한 인자라는 점에 착안하여 적정 용존산소 농도와 C/N비를 규명하고자 하였다. 합성 폐수 실험 결과 0.5 mg/L의 용존산소 농도 및 7 이상의 C/N비에서 안정적인 질소 제거가 이루어짐을 알 수 있었다. 인근 하수처리장 실제 유입수를 이용한 실험결과 0.5 mg/L의 용존산소 농도의 유지만으로는 원래 가지고 있던 낮은 C/N비로 인해 안정적인 질소 제거가 어려웠으나 외부 탄소원(glucose)의 주입을 통해 C/N비를 7 이상으로(최대 14까지) 높여주었을 경우 70% 이상의 안정적인 질소 제거가 단일 반응조에서 가능하였다.

Keywords

References

  1. Metcalf & Eddy, 고광백 외 13인 공역, '폐수처리공학2,' 동화기술, pp. 1048-1064, 1098-1248(2004)
  2. Rittman, B. E. and Langeland, W. E., 'Simultaneous Denitrification with Nitrification in Single-Channel Oxidation Ditches,' J. Water Pollut. Control Fed, 57, 300(1985)
  3. Trivedi, H. and Heinen, N., 'Simultaneous Nitirification/Denitrification by Momitoring NAOH Fluorescene in Activated Sludge,' Proceedings of the Facility Operations II: Innovative Technology Forum; 73d Annual Conference, Water Environment Federation, Anaheim, CA(2000)
  4. Irvine, R. L., Murthy, D. V. S., Arora, M. L., Copeman, J. L., Heidman, J. A., 'Analysis of full-scale SBR operation at Grundy Centre, IOWA,' J. Water pollut. Control Fed, 59(3), 132- 138(1987)
  5. Kugleman, I. J., Spector, M., 'Nutrient removal in staged biological reactors,' Proceedings of the third WPCF Joint Technical Seminar on Sewage Treatment Technology, Tokyo, Japan, May 12-14, pp. 4-27(1988)
  6. Moriyama, K., Sato, K., Harada, Y, Washiyama, K., Okamoto, K., 'Simultaneous biological removal of nitrogen and phosphorus using oxic-anaerobic-oxic process,' Water Sci. Technol., 22(7/8), 61-66(1990)
  7. Masuda, S., Watenabe, Y., Ishiguro, M., 'Biofilrn properties and simultaneous nitrification and denitrification in aerobic rotating biological contactors,' Water Sci. Technol., 23, 1355-1363(1991) https://doi.org/10.2166/wst.1991.0588
  8. Halling, S. B., Hjuler, H., 'Simultaneous nitrification and denitrification with an upflow fixed bed reactor applying clinoptililite as media,' Water Treat., 7, 77 -88(1992)
  9. Watanebe, Y, Masuda, S., Ishiguro, M., 'Simultaneous nitrification and denitrification in micro-aerobic biofilms,' Water Sci. Technol., 26(3/4), 511-522(1992) https://doi.org/10.1021/es00027a010
  10. Gupta, S. K., Raja, S. M., Gupta, A. B., 'Simultaneous nitrification and denitrification in a rotating biological contactor,' Environ, Technol., 15, 145 -153(1994) https://doi.org/10.1080/09593339409385414
  11. Munch, E. V., Lant, L., Keller, J., 'Simultaneous nitrification and denitrification in bench-scale sequencing batch reactors,' Water Res., 30(2), 277-285(1996) https://doi.org/10.1016/0043-1354(95)00174-3
  12. Sen, P., Dentel, S. K., 'Simultaneous nitrification and denitrification in a fluidized bed reactors,' Water Sci. Technol., 38(1), 247 -254(1998)
  13. Menoud, P., Wong, C. H., Robinson, H. A., Farquhar, A., Barford, J. P., Barton, G. W., 'Simultaneous Nitrification and Denitrification Using SIPORAXTMPACKING,' Water Sci. Technol., 40(4/5), 153-160(1999)
  14. Fuerhacker, M., Bauer, H., Ellinger, R., Sree, Ll., Schmid, H., Zibuschka, F., Puxbaum, H., 'Approach for a novel control strategy for simultaneous nitrificationdenitrification in activated sludge reactors,' Water Res., 2499 - 2506(2000)
  15. Watanebe, T., Hashimoto, S., Kuroda, M., 'Simultaneous nitrification and denitrification in a single reactor using a bioelectro-chemical process,' Water Sci. Technol., 46(4/5), 163 -169(2002)
  16. Hibiya, K., Tereda, A., Tsuneda, S., Hirata, A., 'Simultaneous nitrification and denitrification by controlling vertical and horizontal microenvironment in a membraneaerated biofilm reactor,' J. Biotechnol., 100, 23 - 32(2003) https://doi.org/10.1016/S0168-1656(02)00227-4
  17. Pochana, K., Keller, J., 'Study of factors affecting simultaneous nitrification and denitrification(SND),' Water Sci. Technol., 39(6), 61-68(1999)
  18. Pochana, K., Keller, J., Lant, J., 'Model development for simultaneous nitrification and denitrification,' Water Sci. Technol., 39(1), 235-243(1999)
  19. Holman, J. B. and Wareham, D. G., 'COD, ammonia and dissolved oxygen time profiles in the simultaneous .nitrification/denitrification process,' Biochemical Engineering J., 22, 125 -133(2005) https://doi.org/10.1016/j.bej.2004.09.001
  20. 권문선, 김환흥, '탈질균의 호기성 상태에서 탈질 특성에 관한 기초적 연구,' 대한환경공학회지, 14(3), 143 -148(1992)
  21. 정인조, '수리학적 체류시간 및 내부반송율이 각종 BNR 공정의 유기물, 질소 및 인 제거 효율에 미치는 영향,' 인하대학교 대학원 환경공학과, 공학박사학위 논문 pp. 2 -10(2003)
  22. APWA, AWWA, WPCF, Standard methods for the examination of water and wastewater, 20th ed.(1999)
  23. Stenstrom, M. K. and Song, S. S., 'Effects of Oxygen Transport Limitations on Nitrification in the Activated Sludge Process,' Res. J. Water Pollut Control Fed., 63, pp. 208(1991)