Optimization of coagulation/flocculation for phosphorus removal from activated sludge effluent discharge using an online charge analyzing system titrator (CAST)

Won Kyong Kim; Yun Kyong Sung; Hung Sung Yoo; Ji Tae Kim

Journal of Industrial and Engineering Chemistry, Vol.21, 269-277, January, 2015

DOI10.1016/j.jiec.2014.02.034 Export Citation

Optimization of coagulation/flocculation for phosphorus removal from activated sludge effluent discharge using an online charge analyzing system titrator (CAST)

Won Kyong Kim^†, Yun Kyong Sung, Hung Sung Yoo, and Ji Tae Kim¹

Sam Bo Scientific Co., Ltd., Republic of Korea
¹Department of Environmental and Energy Engineering, R&D Center for Advanced Technology of Wastewater Treatment and Reuse, Kyonggi University, Suwon 443-760, Republic of Korea

E-mail:

Coagulant dosing is traditionally based upon jar-tests or operator experience, resulting in either overdosing or insufficient dosing. In this study, we assess the feasibility of a new coagulant dose control instrument, the online charge-based automatic titration system, charge analyzing system with titrator (CAST), to determine coagulant dosages from active sludge effluent discharge in municipal wastewater treatment plants. Results show that treated total phosphorous (TP) concentrations were successfully lowered to less than the site’s 0.5 mg/L limit indicator level. These results suggest that the CAST system to be a very useful automated chemical dosing instrument for the coagulation/flocculation process in wastewater treatment plants (WWTPs).

Keywords:Coagulant dose;Charge analyzing system with titrator (CAST);Total phosphorus

[References]

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Nam SW, Jo BI, Kim MK, Kim WK, Zoh KD, Colloids Surf. A Physicochem. Eng. Aspects, 419, 133 (2013)
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Kam SK, Gregory J, Colloids Surf., A, 159, 165 (1999)
Che J, Colloids Surf., A, 223, 215 (2003)
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Yan M, Wang D, Qu J, Ni J, Chow CWK, Water Res., 42, 2278 (2008)
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[1] Banu RJ, Do KU, Yeom IT, Int. J. Environ. Sci. Technol., 5(1), 93 (2008)

[2] Nir T, Arkhangelsky E, Levitsky I, Gitis V, Desalin. Water Treat., 8, 24 (2009)

[3] Manahan, Stanley E, Environmental Chemistry 8th ed., CRC Press LLC. Florida, 228 (2005)

[4] Clark T, Stephenson T, Pearce PA, Water Res., 31(10), 2557 (1997)

[5] Wang XJ, Xia SQ, Chen L, Zhao JF, Renault NJ, Chovelon JM, Process Biochem., 41, 824 (2006)

[6] Wang Y, Han T, Bao GX, Tan Z, J. Hazard. Mater., 21, 183 (2005)

[7] Paul E, Laval ML, Sperandio M, Environ. Technol., 22, 1363 (2001)

[8] Wang JP, Chen YZ, Ge XW, Yu HQ, Colloids Surf., A, 302, 204 (2007)

[9] Ye C, Wang D, Shi B, Yu J, Qu J, Edwards M, Tang H, Colloids Surf., A, 294, 163 (2007)

[10] Karthik M, Dafale N, Pathe P, Nandy T, J. Hazard. Mater., 154(1-3), 721 (2008)

[11] Nam SW, Jo BI, Kim MK, Kim WK, Zoh KD, Colloids Surf. A Physicochem. Eng. Aspects, 419, 133 (2013)

[12] Kim DG, Park JH, Lee DW, Kang HJ, Water Air Soil Pollut., 214, 37 (2011)

[13] Kam SK, Gregory J, Colloids Surf., A, 159, 165 (1999)

[14] Che J, Colloids Surf., A, 223, 215 (2003)

[15] Moon J, Kang MS, Lim JL, Kim CH, Park HD, Desalination, 247(1-3), 271 (2009)

[16] Park KY, Choi YH, Jin YC, Kang SK, Kweon JH, J. Korean Soc. Water Wastewater, 27(1), 1010 (2013)

[17] Gao BY, Chu YB, Yue QY, Wang BJ, Wang SG, J. Environ. Manage., 76, 143 (2005)

[18] R&D Innovation Solutions Inc., Comparison of Coagulation/Flocculation, available from http://www.dgrsol.com/tempWater/municipalWater/drinking-Water/coagulants.php.

[19] Koohestanian A, Hosseini M, Abbasian Z, Am.-Eur. J. Agric. Environ. Sci., 4(2), 266 (2008)

[20] Yan M, Wang D, Qu J, Ni J, Chow CWK, Water Res., 42, 2278 (2008)

[21] Szabo A, Takacs I, Murthy S, Daigger G, Licsko I, Smith S, Water Environ. Res., 80, 407 (2008)

[22] Vickers JC, Thompson MA, Kelkar UG, Desalination, 102, 57 (1995)

[23] Bryant RJN, Engl. Water Works Assoc., 110, 268 (1996)

[24] Haas DW, Wentzel MC, Ekama GA, Water SA, 27(2), 135 (2001)