New process control strategy for wastewater chlorination and dechlorination using ORP/pH

Water Science and Technology

Volumn 53, Issue 4-5, 2006, Pages 431-438

  Kim, H ^a   Kwon, S ^a   Han, S ^b   Yu, M ^a   Gong, S ^b   Colosimo, M F ^c  

^a University of Seoul   (South Korea)

^b Hanyang University   (South Korea)

^c International Joint Commission   (Canada)

Author keywords

Automatic titration; Breakpoint; Chlorination; Dechlorination; ORP; pH; Process control

Indexed keywords

CHLORINATION; DECHLORINATION; MICROORGANISMS; PH; PROCESS CONTROL; TITRATION;

AUTOMATIC TITRATION; WASTEWATER CHLORINATION; WASTEWATER DECHLORINATION; WASTEWATER TREATMENT PLANTS;

WASTEWATER TREATMENT;

CHLORINE; SULFITE;

CHLORINATION; DECHLORINATION; MICROORGANISMS; PH; PROCESS CONTROL; TITRATION; WASTEWATER TREATMENT;

CHLORINATION; DECHLORINATION; WASTEWATER;

ARTICLE; CHLORINATION; CONTROLLED STUDY; DECHLORINATION; OXIDATION REDUCTION POTENTIAL; PH; PROCESS CONTROL; TITRIMETRY; WASTE WATER MANAGEMENT;

CHLORINE; DISINFECTANTS; HYDROGEN-ION CONCENTRATION; OXIDATION-REDUCTION; SULFITES; WASTE DISPOSAL, FLUID; WATER PURIFICATION;

EID: 33646748461     PISSN: 02731223     EISSN: None     Source Type: Book Series    
DOI: 10.2166/wst.2006.099     Document Type: Article

References (17)

1. Al-Ghusain, I.A. and Hao, O.J. (1995). Use of pH as control parameter for aerobic/anoxic sludge digestion. J. Environ. Eng., 121, 225.
2. Blatchley, E.R., Hunt, B.A., Duggirala, R., Thompson, J.E., Zhao, J., Halaby, T., Cowger, R.L., Straub, C.M. and Alleman, J.E. (1997). Effect of disinfectants on wastewater effluent toxicity. Wat. Res., 31(7), 1581-1588.
3. Bossard, G., Briggs, G. and Stow, T. (1995). Optimizing chlorination/ dechlorination at a wastewater treatment plant. Public Works, 126(1), 33-35.
4. Chang, C.N., Lin, J.G., Chao, A.C. and Liu, C.S. (1996). Modified Nernst model for on-line control of the chemical oxidation decoloring process. Water Sci. Technol., 34(3/4), 151.
5. Charpentier, J., Martin, G., Wacheux, H. and Gilles, P. (1998). ORP regulation and activated sludge: 45 years of experience. Water Sci. Technol., 38(3), 197.
6. Chen, W. and Jensen, J.N. (2001). Effect of chlorine demand on the ammonia breakpoint curve: Model development, validation with nitrite, and application to municipal wastewater. Water Envir. Res., 73(6), 721-727.
7. Eieu, B., Garrett, M.T., Jr, Ahmad, Z. and Young, S. (1995). Application of automatic control systems for chlorination and dechlorination processes in wastewater treatment plants. ISA Transactions, 34, 21-28.
8. El-Rehaili, A.M. (1994). Response of BOD, COD and TOC of secondary effluents to chlorination. 29(6), 1571-1577.
9. Kim, H. and Hao, O.J. (2001). pH and Oxidation-reduction potential control strategy for optimization of nitrogen removal in an alternating aerobic-anoxic system. Water Env. Res., 73(1), 95-102.
10. Kim, Y.H. and Hensley, R. (1997). Effective control of chlorination and dechlorination at wastewater treatment plants using redox potential. Water Envir. Res., 69(5), 1008-1014.
11. Kopchynski, K.M., Palmer, T.M., Ross, M.C. and Nutt S.G. (2001). Comparisons of on-line ORP and chlorine residual monitoring/control systems for wastewater treatment final effluent chlorination. WEFTEC2001, Atlanta GA USA, October.
12. Metcalf & Eddy (2003). Wastewater Engineering, (4th edn), pp. 1231-1286.
13. Sasaki, K., Yamamoto, Y., Tsumura, K., Hatsumata, S. and Tatewaki, M. (1993). Simultaneous removal of nitrogen and phosphorus in intermittently aerated 2-tank activated sludge process using DO and ORP-bending-point control. Water Sci. Technol., 74, 709.
14. Standard Methods for the Examination of Water and Wastewater (1997) APHA/ AWWA/WERF, Washington DC, USA
15. USEPA (1999). Wastewater Technology Fact sheet: Chlorine Disinfection, Municipal Technology Branch, Washington DC, USA.
16. USEPA (2000). Wastewater Technology Fact sheet: Dechlorination, Municipal Technology Branch, Washington DC, USA.
17. Yu, R.-F. (2004). Feed-forward dose control of wastewater chlorination using on-line pH and ORP titration. Chemosphere, 56, 973-980.