Performance response and recovery of temporal and spatial phase separated process for nutrients removal in short-term shock loadings

Duk Chang; HyunSub Choi; Young Sunwoo; KiHo Hong

Journal of Industrial and Engineering Chemistry, Vol.20, No.5, 3009-3013, September, 2014

DOI10.1016/j.jiec.2013.11.035 Export Citation

Performance response and recovery of temporal and spatial phase separated process for nutrients removal in short-term shock loadings

Duk Chang, HyunSub Choi¹, Young Sunwoo, and KiHo Hong^{2, †}

Department of Environmental Engineering, Konkuk University, Seoul 143-701, Korea
¹Green Technology Co., Ltd., 6F Hanam Venture Tower B/D, ChangWoo-Dong, HaNam-Si 465-120, GyeongGi-Do, Korea
²Department of Advanced Technology Fusion, Konkuk University, Seoul 143-701, Korea

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This study was conducted to evaluate the stability and performance response under short-term hydraulic and organic shock load conditions in temporal and spatial phase separated process. The overall removals of BOD, TN, and TP declined slightly despite the hydraulic shock loading, and rapid recovery could be observed again after four cycles of 16 h. It seems that rapid recovery may be achieved by the unique characteristics of the system operated in a fed-batch manner. The effect of shock load on nitrogen removal due to increment of flow rate was higher than that of phosphorus, because of the insufficient reaction time for the nitrification and denitrification. After the organic shock, however, recovery time for phosphorus removal was needed rather than that of organics and nitrogen, because the overload to micro organisms related to the phosphorus release is attained by short-term organic shock loading.

Keywords:Hydraulic and organic shock loading;Temporal and spatial phase separation;Biological nutrient removal;Wastewater treatment

[References]

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Hu BB, Wheatley A, Ishtchenko V, Huddersman K, Chem. Eng. J., 166(1), 73 (2011)
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[1] U.S.EPA, Nutrient Control Design Manual, Office of Research and Development, Cincinnati, 2000, EPA/600/R-10/100.

[2] Randall CW, Barnard JL, Stensel HD, Design and Retrofit of Wastewater Treatment Plants for Biological Nutrient Removal, Technomic Publishing, Lancaster, 1992.

[3] Ekama GA, Marais GVR, Siebritz IP, Biological Excess Phosphorus Removal, Design and Operation of Nutrient Removal Activated Sludge Processes, Water Research Commission, Pretoria, South Africa, 1984.

[4] Henrik AT, Marinus KN, Evald HN, Niels PH, Water Sci. Technol., 37, 157 (1998)

[5] Korea Meteorological Administration, Yearbook of Korea Meteorological Administration, 11-1360000-000011-10, Seoul, 2011.

[6] Cai J, Zheng P, Mahmood Q, J. Hazard. Mater., 174(1-3), 162 (2010)

[7] Masse L, Masse DI, Process Biochem., 40, 1225 (2005)

[8] Chua H, Hu WF, Yu PHF, Cheung MWL, Bioresour. Technol., 61(1), 79 (1997)

[9] Borja R, Banks CJ, J. Biotechnol., 39, 251 (1995)

[10] Borja R, Banks CJ, Wang Z, Biotechnol. Appl. Biochem., 20, 371 (1994)

[11] American Public Health Association, American Water Works Association, Water Environmental Federation, Standard Methods for the Examination of Water and Wastewater, 21st ed., APHA, Washington DC, 2005.

[12] Hong KH, Chang D, Kang SW, Hur JM, Han SB, Sunwoo Y, J. Ind. Eng. Chem., 14(4), 520 (2008)

[13] Krishna GVTG, Kumar P, Kumar P, Bioresour. Technol., 99(17), 8193 (2008)

[14] Tchobanoglous G, Burton RL, Stensel HD, Wastewater Engineering: Treatment and Reuse, 4th ed., McGraw-Hill, Inc., New York, 2003.

[15] Tandukar M, Machdar I, Uemura S, Ohashi A, Harada H, J. Environ. Eng.-ASCE, 132, 166 (2006)

[16] Irvine RL, Wilderer PA, Flemming HC, Water Sci. Technol., 35, 1 (1997)

[17] Hu BB, Wheatley A, Ishtchenko V, Huddersman K, Chem. Eng. J., 166(1), 73 (2011)

[18] Joung JY, Lee HW, Choi H, Lee MW, Park JM, Bioresour. Technol., 100(8), 2457 (2009)