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한국환경농학회지 = Korean journal of environmental agriculture v.23 no.4, 2004년, pp.228 - 233  
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

2차처리장 방류수 정화 부들습지셀의 초기운영단계 질산성질소 제거
Nitrate Removal of a Cattail Wetland Cell Purifying Effluent from a Secondary-Level Treatment Plant During Its Initial Operating Stage

양홍모   (전남대학교 조경학과UU0001112  );
  • 초록

    Nitrate removal was examined from May to October 2003 of a surface flow treatment wetland cell, which was a part of a treatment wetland system composed of four wetland cells and a distribution pond The system was established on rice paddy near the Kohung Estuarine Lake located in the southern part of the Korean Peninsula. Effluent from a secondary-level night soil treatment plant was funneled into the system. The investigated cell, 87 m in length and 14 m in width, was created in April 2003. An open water was designed at its center, which was equivalent to 10 percent of its total area. Cattails (Typha angustifolia) were transplanted from natural wetlands into the cell and their stems were cut at about 40cm height from their bottom ends. Average $25.0\;m^3/day$ of effluent from the treatment plant was funneled into the cell by gravity flow and average $24.1\;m^3/day$ of its treated effluent was discharged into the Sinyang Stream flowing into the lake. Its water depth was maintained about 0.2 m and its hydraulic detention time averaged 5.2 days. Average height of the cattail stems was 42.5 cm in May 2M3 and 117.7 cm in September 2003. The number of stems averaged $9.5\;stems/m^2$ in May 2003 and $16.4\;stems/m^2$ in September 2003. The growth of cattails was good. Temperature of influent and effluent averaged 25.9 and $26.7^{\circ}C$ , respectively. $NO_3$ -N loading rate of influent and effluent averaged 176.67 and $88.09\;mg/m^2\;day$ , respectively. Removal of rf03-N averaged $89.58\;mg/m^2\;day$ and its removal rate by mass was about 50%. Considering its initial operating stage in which cattail rhizomes and litter layer on the bottom were not Idly established, the $NO_3$ -N removal rate of the cell was rather good.


  • 주제어

    surface flow .   nitrification .   denitrification .   tertiary treatment level.  

  • 참고문헌 (16)

    1. EPA (U.S. Environmental Protection Agency) (2003) Manual: Constructed Wetlands Treatment of Municipal Wastewaters, Office of Research and Development, Cincinnati, Ohio,P.1-29 
    2. EPA (U.S. Environmental Protection Agency) (1999) Free Water Surface Wetlands for Wastewater Treatment: A Technology Assessment, p.4-30-4-32 
    3. Mitsch, W. J. and Gosselink, J. G. (1999) Wetlands, 2nd ed., Van Nostrand Reinhold, New York 
    4. Yang, H. M (2003) Nitrate removal rate of free-water-surface treatment wetland system constructed on Hoodplain during its initial operating stage, J. Korean Enu. Res. & Reveg. Tech. 6(6), 41-48 
    5. Spiels, D. J. and Mitsch, W. J. (2000) The effects of seasons and hydrologic and chemical loading on nitrate retention in constructed wetlands : a comparison of low-and high-nutrient riverine systems, Eco. Enp. 14, 77-91 
    6. Korean Ministry of Environment (2000) Standard method for water and twstewater analysis 
    7. APHA (American Public Health Association) (1998) Standard method for the examination of water and wastewater 
    8. Reed, S. C, Mddlebrooks, E. J. and Crites, R. W. (1988) Natural Systems for Waste Management and Treatment, McGraw-Hill, New York 
    9. Faulker, S. P. and Richardson, C. J. (1989) Physical and chemical characteristics of freshwater wetland soils In Hammer, D. A. (ed.), Constructed wetlands for waste-water treatment: municipal, industrial and agricultural, Lewis Publishers, Inc., Chelsea, Michigan, p.41-72 
    10. Bachand, P. A. M. and Home, A. J. (2000) DenitnScation in constructed free-water surface wetlands I: very high nitrate removal rates in a macrocosm study, Ecol Eng. H 9-15 
    11. Yang, H. (1992) Ecological Design of estuarine environment for a sustainable urban ecosystem, Ph.D. Dissertation, University of California at Berkeley 
    12. EPA (U.S. Environmental Protection Agency) (1993) Manual - Nitrogen control, Office of Research and Development, Washington, D.C 
    13. Broadbent, F. E. and dark, F. E. (1965) Denitnfication, Agronomy 10, 34 
    14. Zhu, T. and Sikora, F. J. (1994) Ammonium and nitrateremoval in vegetated and unvegetated gravel bed microcosm wetlands, In Proc. 4th Int. Conf. oil Wetland Systenis for Water Pollution ContrcA, Guangzhou, China, P.355-366 
    15. EPA (U.S. Environmental Protection Agency) (2000)Manual: Constructed Wetlands Treatment of Municipat Wastewaters, Office of Research and Development, Cincinnati, Ohio, p.30-48 
    16. Yang, H. M. (2002) Preliminary nitrogen removal rates in close-to-nature constructed stream water treatment wetland, Kor. J. Environ. Agric. 21(4), 269-273     

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