Study of struvite crystallization in a semi-batch jet loop fluidized bed reactor

Dae-Yeop Kang; Jun-Heok Lim; Tae-Yoon Lee; Jea-Keun Lee

Korean Journal of Chemical Engineering, Vol.32, No.11, 2342-2346, November, 2015

DOI10.1007/s11814-015-0074-2 Export Citation

Study of struvite crystallization in a semi-batch jet loop fluidized bed reactor

Dae-Yeop Kang, Jun-Heok Lim¹, Tae-Yoon Lee, and Jea-Keun Lee^†

Department of Environmental Engineering, Pukyong National University, Busan 608-737, Korea
¹Department of Chemical Engineering, Pukyong National University, Busan 608-739, Korea

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A semi-batch jet loop fluidized bed reactor (JLFBR) was used as a crystallization reactor to remove nitrogen and phosphorus from synthetic wastewater through struvite crystallization. The reactor performance obtained in the JLFBR was compared with that in a same-size jet loop reactor (JLR). The time required to increase the initial pH of the synthetic wastewater from 7.3 to 8.0 by aeration in the JLFBR was shorter than in the JLR. Moreover, the removal rates of ammonium nitrogen (NH4-N) and total phosphorus (T-P) were faster in the JLFBR. This may be due to the enhanced turbulent intensity that promoted struvite formation, as well by the fluidized particles in the JLFBR.

Keywords:Jet Loop Fluidized Bed Reactor;Struvite Crystallization;Ammonium Nitrogen Removal;Total Phosphorous Removal;Fluidized Particles

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Munch VE, Barr K, Water Res., 35, 151 (2001)
Warmadewanthi, Liu JC, Sep. Purif. Technol., 64(3), 368 (2009)
Battistoni P, Boccadoro R, Fatone F, Pavan P, Environ. Technol., 26, 975 (2005)
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Le Corre KS, Valsami-Jones E, Hobbs P, Parsons SA, Environ. Technol., 28, 1245 (2007)
Fattah KP, Savrina N, Mavinic DS, Koch FA, Water Sci. Technol., 58, 957 (2008)
Cha GE, Kim MR, Lee JK, J. of Korea Society of Waste Management, 30, 923 (2013)
Chriastel L, Fadavi A, Nova Biotechnologica, 4, 89 (2006)
Hanhoun M, Montastruc L, Azzaro-Pantel C, Biscans B, Freche M, Pibouleau L, Chem. Eng. J., 215, 903 (2013)
Son MK, Sung HJ, Lee JK, J. Korean Soc. Combust., 18, 17 (2013)
Cha GE, Sung HJ, Lim JH, Lee TY, Lee JK, Korean J. Chem. Eng., 31(4), 701 (2014)
APHA, AWWA and WEF, Standard methods for the examination of water and wastewater, 21st Ed., Washington DC, USA (2005).
Meseguer-Lloret S, Molins-Legua C, Campins-Falco P, Intern. J. Environ. Anal. Chem., 82, 475 (2002)
Cho SK, Lee MK, Kim DH, Yun YM, Jung KW, Shin HS, Oh SE, Korean J. Chem. Eng., 31(4), 619 (2014)
Battistoni P, Fava G, Pavan P, Musacco A, Cecchi F, Water Res., 31, 2925 (1997)
El Diwani G, El Rafie S, El Ibiari NN, El-Aila HI, Desalination, 214(1-3), 200 (2007)
Liao PH, Chen A, Lo KV, Bioresour. Technol., 54(1), 17 (1995)

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[2] Munch VE, Barr K, Water Res., 35, 151 (2001)

[3] Warmadewanthi, Liu JC, Sep. Purif. Technol., 64(3), 368 (2009)

[4] Battistoni P, Boccadoro R, Fatone F, Pavan P, Environ. Technol., 26, 975 (2005)

[5] Ohlinger KN, Young TM, Schroeder ED, J. Environ. Eng., 126, 361 (2000)

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[7] Le Corre KS, Valsami-Jones E, Hobbs P, Parsons SA, Environ. Technol., 28, 1245 (2007)

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[10] Chriastel L, Fadavi A, Nova Biotechnologica, 4, 89 (2006)

[11] Hanhoun M, Montastruc L, Azzaro-Pantel C, Biscans B, Freche M, Pibouleau L, Chem. Eng. J., 215, 903 (2013)

[12] Son MK, Sung HJ, Lee JK, J. Korean Soc. Combust., 18, 17 (2013)

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[14] APHA, AWWA and WEF, Standard methods for the examination of water and wastewater, 21st Ed., Washington DC, USA (2005).

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