상하수도학회지 (Journal of Korean Society of Water and Wastewater)

  • 제19권4호
  • /
  • Pages.446-454
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  • 2005
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  • 1225-7672(pISSN)
  • /
  • 2287-822X(eISSN)
대한상하수도학회 (The Korean Society of Water and Wastewater)
권호 표지

고농도 질산 및 아질산성 질소 함유 폐수의 생물학적 탈질에 관한 연구

Study for Biological Denitrification of High-Strength Nitrate and Nitrite Industrial Wastewater

  • 이병희 (경기대학교 토목환경공학부)
  • 투고 : 2005.04.26
  • 심사 : 2005.08.01
  • 발행 : 2005.08.15
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초록

An economic treatment method to remove oxidized nitrogen from wastewater is biological denitrification with organic matters. Several organics can be used, however, methanol is commonly used. When methanol is provided, M:N (Methanol to Nitrogen) ratio is used to define methanol demand for denitrification. In this study, two artificial wastewaters were provided to a biological system to evaluate denitrification performance. Differences of influent total CODcr from effluent soluble CODcr were converted to methanol equivalent and oxidized nitrogen difference between influent and effluent were converted to nitrate equivalent to define M:N ratios. Modes I, II, III, I-1 and IV showed 5.1, 2.7, 3.3, 2.3 and 2.6 of M:N ratios, respectively. Since denitrifying microorganisms had to build a new metabolic system for methanol and influent organics, initial operation mode, Mode I, required more methanol and this resulted in high M:N ratios compared with later operation mode, Mode I-1. Salt in influent did not show inhibitory effects on denitrfication, although this was believed to increase effluent SS and soluble CODcr concentrations in Mode III, I-1 and IV, respectively. The concentrations of effluent soluble $COD_{Mn}$ did not changed much with influent salt.

키워드

과제정보

연구 과제 주관 기관 : 경기대학교

참고문헌

  1. Grady, C.P. Leslie, Jr., and Lim., Henry C. (1980) Biological Wastewater Treatment-Tbeorv and Applications, pp 234-235, Marcel Dekker, Inc., New York, NY, USA
  2. IAWPRC Task Group on Mathematical Modelling for Design and Operation of Biological Wastewater Treatment (1987) Activated Sludge Model No.1. Scientific and Technical Report No.1, p 20, International Water Association, London, UK
  3. Koch, G. and Siegrist, H. (1997) Denitrification with Methanol in Tertiary Filtration at Wastewater Treatment Plant Zurich-Werdholzli, Water Science and Technology, 36(1), pp. 165-172
  4. Louzeiro, Nuno R., Mavinic, Donald S., Oldham, William K., Meisen, Axel and Gardner, Ian S. (2002) Methanol-induced Biological Nutrient Removal Kinetics in a Full-Scale Sequencing Batch Reactor, Water Research, 36(11), pp. 2721-2732 https://doi.org/10.1016/S0043-1354(01)00494-8
  5. McCarty, Perry L., Beck, Louis and Amant, Percy ST. (1969) Biological Denitrification of Wastewaters by Addition of Organic Materials, 24th Industrial Waste Conference, pp. 1271-1285
  6. Nurse, George R. (1980) Denitrification with Methanol: Microbiology and Biochemistry, Water Research., 14(5), pp. 531-537 https://doi.org/10.1016/0043-1354(80)90221-3
  7. Nyberg, U., Aspegren, H., Andersson, B., Jansen, J. la c:. and Villadson, IS (1992) Full-Scale Application of Nitrogen Removal with Methanol as Carbon Source, Water Science and Technology, 26(5-6), pp. 1077-1086 https://doi.org/10.1021/es50002a004
  8. Purtschert, I., Siegrist, H. and Gujer, W. (1996) Enhanced Denitrification with Methanol at Water Zurich-Werdholzli, Water Science and Technology, 33(12), pp. 117-126
  9. Santos, Savia Gavazza dos, Varesche, Maria Bernadetc Amancio, Zaiar, Foresti, Marceloand Eugenio. (2004) Comparison of Methanol, Ethanol, and Methane as Electron Donors for Denitrification, Environmental Engineering Science, 21(3), pp. 313-320 https://doi.org/10.1089/109287504323066950
  10. Siegrist, H. (1996) Nitrogen Removal from Digester Supernatant-Comparison of Chemical and Biological Methods, Water Science find Technology, 34(1-2), pp. 399-406 https://doi.org/10.1016/0273-1223(96)00529-X
  11. Stephenson, R. L. and Blackburn, J. B., Jr. (1998) The Industrial Wastewater Systems Handbooks, pp. 290-293, Lewis, Boca Raton, FL, USA
  12. Timmermans, P. and Haute, A. Van. (1983) Denitrification with Methanol - Fundamental Study of The Growth and Denitrification Capacity of Hyphomicrobium sp., Water Research, 17(10), pp. 1249-1255 https://doi.org/10.1016/0043-1354(83)90249-X