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포말분리기를 이용한 해수로부터 양식 폐기물 제거 ; III. 공탑공기속도 영향
The Removal of Aquacultural Wastes by Foam Separator from Sea Water : III. The Effect of Superficial Air Velocity
부경대학교 화학공학과, 부산 608-739 1부경대학교 생물공학과, 부산 608-739
Department of Chemical Engineering, Pukyong National University, Pusan 608-739, Korea 1Department of Biotechnology & Bioengineering, Pukyong National University, Pusan 608-739, Korea
khsuh@mail.pknu.ac.kr
HWAHAK KONGHAK, February 2001, 39(1), 116-122(7), NONE
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Abstract
공기부상식 포말분리기를 제작하여 해수 속의 단백질, 부유 고형물, 화학적 산소 요구량, 탁도, 암모니아성 질소와 같은 양식 폐기물의 연속 제거운전을 수행하여 공탑공기속도의 변화에 따른 양식 폐기물의 제거 특성을 검토하였으며 포말분리기의 용존산소 공급 능력을 검토하였다. 공탑공기속도의 증가에 따라 단백질의 제거속도와 제거율은 증가하였으나 농축비는 감소하였다. 총 부유 고형물, 탁도, 화학적 산소 요구량의 제거 속도와 제거율의 변화는 단백질과 유사하였으며 암모니아성 질소는 stripping 효과에 의해 제거되었다. 본 실험에 사용한 포말분리기는 96% 이상의 높은 용존산소 포화율을 나타내었다.
Experimental investigations on the effect of the superficial air velocity(SAV) on the removal of aquacultural waste, such as protein, total suspended solids(TSS), chemical oxygen demand(COD), turbidity and total ammonia nitrogen(TAN) from sea water were carried out by using a foam separator. The foam separator as an aerator was also evaluated for increasing dissolved oxygen concentration. The increase in SAV, increased the removal rate and removal efficiency of protein, but, decreased protein enrichment ratio. The changes of removal rates and efficiencies of TSS, COD and turbidity were similar to proteins. TAN was removed by stripping. Dissolved oxygen(DO) saturation of the effluent from the foam separator was higher than 96.6%.
Keywords
References
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Cho D, Chang HN, Korean J. Chem. Eng., 15(4), 445 (1998)
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Weeks NC, Timmons MB, Chen S, Aquacult. Eng., 11, 251 (1992)
Suh KH, Lee MG, Lee MS, Kim BJ, Kim EJ, Cho MC, J. Korean Fish. Soc., 30, 334 (1995)
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Suh KH, Shim HK, Yun JW, Korean J. Biotechnol. Bioeng., 11, 46 (1996)
Lowry OH, Rosebrough NJ, Farr AL, Randall RJ, J. Biotechnol., 193, 265 (1951)
Bollag DM, Edelstein SJ, "Protein Methods," Wiley-Liss, New York, 46 (1991)
APHA, AWWA and WEF: "Standard Methods for the Examination of Water and Wastewater," 18th ed., EPS Group (1992)
Korean Institute of Industry and Technology: "Standerd Methods for the Examination of Environmental Pollution," (1990)
Suh KH, Kim BJ, Bong SH, Lim JH, Kim YH, Kim SK, HWAHAK KONGHAK, 38(5), 745 (2000)
Cho D, Cornec M, Korean J. Chem. Eng., 16(3), 371 (1999)
Wheaton FW, Hochheimer JN, Kaiser GE, Klones MJ, Libey GS, Easter CC, M.B. Timmons and T.M. Losordo (Eds.) "Aquaculture Water Reuse System: Engineering Design and Management: Nitrification Filter Principle," Elsevier, Amsterdam, 101 (1996)
Uraizee F, Narsimhan G, Biotechnol. Bioeng., 51(4), 384 (1996)
Uraizee F, Narsimhan G, Sep. Sci. Technol., 30(6), 847 (1995)
Chen S, Stechy D, Malone RF, M.B. Timmons and T.M. Losordo (Eds.) "Aquaculture Water Reuse System: Engineering Design and Management: Suspended Solids Control in Recirculating Aquaculture Systems," Elsevier, Amsterdam, 61 (1996)
Chen S, Ph.D. Dissertation, Cornell University, Ithaca, New York (1991)
Tchobanoglous G, Schroeder ED, "Water Quality," Addison Wesley Publishing Company, California, 56 (1985)
Nigtingale JW, "Technical Report of Karmer," Chin and Mayo Inc., Washington (1976)
Suh KH, Lee MG, J. Korean Fish. Soc., 30, 239 (1995)
Bailey JE, Ollis DF, "Biochemical Engineering Fundamentals," 3rd ed., McGraw-Hill, New York, 464 (1986)
