한국양식학회지 (Journal of Aquaculture)

한국양식학회 (The Korean Society of Fisheries and Aquatic Science)
권호 표지

회전속도와 수리학적 체류시간이 회전원판식(Rotating Biological Contactor;RBC) 여과조의 암모니아 제거에 미치는 영향

Effects of Rotational Speed and Hydraulic Residence Time on the Ammonia Removal of a Rotating Biological Contactor (RBC)

  • 오승용 (한국해양연구원 자원연구본부) ;
  • 조재윤 (부경대학교 양식학과) ;
  • 김종만 (한국해양연구원 자원연구본부)
  • 발행 : 2003.08.01
PDF 다운로드
⟨ 이전 논문 다음 논문 ⟩

초록

Performance of a biological filter, the rotating biological contactor (RBC), is affected by rotational speed and hydraulic residence time (HRT). A RBC with a disc diameter of 62 cm, total surface area of 48.28 $m^2$, volume of 0.34 ㎥, and submergence ratio of 35.4% was tested for the combinations of five rotational speeds (1, 2, 3, 4 & 5 rpm) and three HRT (0.5, 1.0 & 2.0 hr) to find out the maximum removal efficiencies of total ammonia nitrogen (TAN) and nitrite nitrogen of a simulated recirculating aquaculture system. Ammonia loading rate in the system was 25 g of TAN/ ㎥. day. Removal efficiencies were checked when TAN concentrations in the system stabilized for 3 days in each treatment. The concentration of TAN in the system decreased with increasing rotational speed of the RBC up to 4 rpm in all HRT (P<0.05). At the rotational speed of 5 rpm, the efficiencies decreased in all HRT (P<0.05). When the rotational speeds were 1, 2, 3, 4, and 5 rpm, TAN concentrations in the system were 1.35, 0.94, 0.69, 0.66, and 0.76 mg/L at the 0.5 hr HRT, 2.86, 1.18, 0.96, 0.87, and 1.11 mg/L at the 1.0 hr HRT, and 5.30, 2.44, 1.99, 1.77, and 2.01 mg/L at the 2.0 hr HRT, respectively. The TAN removal efficiencies of the RBC at the rotational speeds of 1, 2, 3, 4, and 5 rpm were 32.9, 49.5, 65.1, 72.9, and 62.9% in 0.5 hr HRT,33.1, 74.1, 87.1, 95.8, and 78.5% in 1.0 hr HRT, and 35.5, 76.7, 89.6, 97.0, and 85.5% in 2.0 hr HRT, respectively. TAN removal efficiency of RBC per pass increased with increasing HRT. However, TAN concentration in the system also increased. The best operating condition among the treatments was obtained at the treatment of 0.5 hr HRT and 4 rpm (P<0.05). The TAN concentration was 0.66 mg/L. Concentrations of nitrite nitrogen (NO$_2$$^{[-10]}$ -N) in the system decreased with increasing rotational speed in all HRT while that in the system increased with increasing HRT in all rotational speeds. The ranges of NO$_2$$^{[-10]}$ -N concentrations at HRT of 0.5, 1.0, and 2.0 hr in the system were 0.26~0.32, 0.31~0.56, and 0.43~l.45 mg/L, respectively. The ranges of daily removal rates of TAN in this system were 20.03~23.0 g TAN/㎥ㆍday and those of nitrite nitrogen were 19.65~30.25 g NO$_2$$^{[-10]}$ -N/㎥ㆍday.

키워드

참고문헌

  1. Abstracts of the Workshop on Fish Farm Effluents and their Control in EC Countries Pollution loads derived from aquaculture: Land-based and water-based systems Ackefors,H.;H.Enel;H.Rosenthal(ed.);V.Hilge.Hamburg(ed.)
  2. Fixed biological surfaces-wastewater treatment: the rotating biological contactor Antonie,R.L.
  3. Journal of the Water Pollution Control Federation v.48 Inhibition of nitrification by ammonia and nitrous acid Anthonisen,A.C.;R.C.Loehr;T.B.C.Parksam;D.E.Srinath
  4. Standard methods for the examination of water and wastewater(18th Ed.) APHA;AWWA;WEF
  5. Aquacult. Eng. v.14 Performance of a treatment system for inorganic nitrogen removal in intensive aquaculture systems Arbiv,R;J.van Rijn https://doi.org/10.1016/0144-8609(94)P4435-E
  6. Aquaculture v.104 Effects of temperature and size on oxygen consumption and ammonia excretion in walleye Cai,Y.J.;R.C.Summerfelt https://doi.org/10.1016/0044-8486(92)90143-9
  7. Aquacult.Eng. v.15 Combination of a bead filter and rotating biological contactor in a recirculating fish culture system Delos Reyes,A.A.;T.B.Lawson https://doi.org/10.1016/0144-8609(95)00005-Y
  8. Unpublished M.S. thesis Water chemistry characterization and component performance of a recirculating aquaculture system producing hybrid striped bass Easter,C.
  9. J. Water Pollut. Con. Fed. v.58 Energy usage of rotating biological contactor facilities Gilbert.W.G.;J.F.Wheeler;A.MacGregor
  10. Proceedings of The Second International Conference on Recirculating Aquaculture Biological Filters: Trickling and RBC Design Hochheimer.J.N.;F.Wheaton
  11. Bull. Korean Fish. Soc. v.31 Ammonia removal by using RBC in recirculating aquaculture system Kim,B.J.;S.I.Lim;K.H.Suh
  12. Master thesis, Dong-A University An experimental approach to determine the optimum conditions of rotational speed and retention time in the RBC process Kim,G.I.
  13. Korean J. Biotechnol. Bioeng. v.12 Removal of total ammonia-nitrogen(TAN)using immobilized nitrifier consortium Kim,S.K.;I.S.Kong;J.K.Seo;B.J.Kim;M.G.Lee;K.H.Suh
  14. Bull. Korea Fish. Soc. v.25 Optimal hydraulic loading for ammonia control in water recycling fish cultuer system Lee,S.M.;D.H.Kim;K.O.Song
  15. Aqauculture v.87 Fixed film nitrification characteristics in sea-water recirculating fish culture system Nijhof,M.;J.Bonverdeur https://doi.org/10.1016/0044-8486(90)90270-W
  16. Ph. D. thesis, Pukyong National University Nitrogen loading rate of nile tilapia and nitrification rate of rotating biological contactor Oh,S.Y.
  17. European Aquacult. Soc. v.17 Simple recirculation systems and possibility of combined fish and vegetable production Rennert,B.
  18. Aquacult. Eng. v.4 Ammonia removal in selected aquaculture water reuse biofilters Rogers,G.L.;S.L.Klemetson https://doi.org/10.1016/0144-8609(85)90010-X
  19. Advances in World Aquaculture v.3 Aquaculture and water quality Russo,R.C.;R.V.Thurston
  20. Aquacult. Eng. v.16 Water treatment and waste characterization evaluation of an intensive recirculating fish production system Twarowska,J.G.;P.W.Westerman;T.M.Losordo https://doi.org/10.1016/S0144-8609(96)01022-9
  21. Journal Water Pollution Control Federation v.46 Nitrification in the biological fixed-film rotating disk system Weng,C.;A.H.Molof
  22. Techniques for Modern Aquaculture Evaluation of various biofilters in an intensive recirculating fish production facility Westerman,P.W.;T.M.Losorde;M.L.Wildhaber;Jaw-Kai Wang(ed.);St. Joseph,M.I.(ed.)
  23. Unpublished M.S. thesis. University of Mayland Effect of temperature on biodrum nitrification Wortman,B.
  24. 회전원판법 정재춘;조남영;한영교