Denitrifying activity measurements using an anoxic titration (pHstat) bioassay

Water Science and Technology

Volumn 46, Issue 9, 2002, Pages 211-218

  Foxon, K M ^a   Brouckaert, C J ^a   Rozzi, A ^a  

^a UNIVERSITY OF KWAZULU NATAL   (South Africa)

Author keywords

Activated sludge; Denitrification; Denitrifying activity; NUR test; Titrimetry

Indexed keywords

ALGORITHMS; COMPUTER SIMULATION; DENITRIFICATION; PH EFFECTS; TITRATION;

NITRATE UPTAKE RATE (NUR);

SEWAGE SLUDGE;

BICARBONATE; CARBON DIOXIDE; NITRATE;

ACTIVATED SLUDGE; DENITRIFICATION; WASTEWATER; WATER QUALITY; WATER TREATMENT;

ACTIVATED SLUDGE; DENITRIFICATION; WASTEWATER; WATER QUALITY; WATER TREATMENT;

ACIDITY; ACTIVATED SLUDGE; ALGORITHM; ANOXIA; AUTOMATION; BATCH REACTOR; BIOACCUMULATION; BIOASSAY; CALCULATION; COMPUTER PROGRAM; COMPUTER SIMULATION; CONFERENCE PAPER; DATA ANALYSIS; DENITRIFICATION; EXPERIMENT; MATHEMATICAL MODEL; NITRATE UPTAKE; PH; TITRIMETRY;

EID: 0036430059     PISSN: 02731223     EISSN: None     Source Type: Journal    
DOI: 10.2166/wst.2002.0241     Document Type: Conference Paper

References (20)

1. APHA (1992). Standard Methods for the examination of water and wastewater. 18th edn, American Public Health Association (APHA)-WEF. Washington D.C. USA.
2. Bogaert, H., Vanderhasselt, A., Gernaey, K., Yuan, Z., Thoeye, C. and Verstraete, W. (1997). New sensor based on pH effect of denitrification process. J. Environ. Eng. 123, 884-891.
3. Drtil, M., Németh, P., Kucman, K., Bodík, I and Kaşperek, V. (1995). Acidobasic balances in the course of heterotrophic denitrification. Wat. Res. 29(5), 1353.
4. Ekama, G.A., Dold, P.L. and Marais, G.V.R. (1986). Procedures for Determining Influent COD Fractions and the Maximum Specific Growth Rate of Heterotrophs in Activated Sludge Systems. Wat. Sci. Tech. 18(6), 91-114.
5. Ficara, E. (2001). pH stat and DOstat techniques to monitor the activated sludge process. Ph.D Thesis. Politecnico di Milano, Milan, Italy.
6. Foxon, K.M., Naidoo, V., Buckley, C.A. and Rozzi, A. (2000a). Use of Anoxic Titrimetric Test (ATM) for Measurement of Organic Carbon Substrate in Activated Sludge, The Water Institute of Southern Africa (WISA 2000) biennial Conference and Exhibition, Sun City, South Africa, 28 May-1 June.
7. 2 concentration in anoxic titration (pHstat) biosensors. The South African Institution of Chemical Engineers (SAIChE 2000) 9th National Meeting, Secunda, Mpumalanga, South Africa, 9-12 October.
8. Henze, M., Harremoés, P., La Cour Jansen, J. and Arvin, E. (1997). Wastewater Treatment: Biological and Chemical Processes. 2nd edn. Springer, Heidelberg.
9. Kujawa, K. and Klapwijk, A. (1999). A method to estimate denitrification potential for predinitrification systems using NUR batch test. Wat. Res. 33, 2291-2300.
10. Massone, A.G., Gernaey, K., Rozzi, A., Willems, P. and Verstraete, W. (1995). Biosensors for nitrogen control in wastewaters. Wat. Sci. Tech. 34(1-2), 213-220.
11. Massone, A., Antonelli, M. and Rozzi, A. (1996). The DENICON: a novel biosensor to control denitrification in biological wastewater treatment plants. Med. Fac. Landbouww. Univ. Gent 61(4a), 1709-1714.
12. McCarty, P.L. (1972). "Stoichiometry of biological reactions." Proceedings: Toward a unified concept of Biological Waste Treatment Design, Atlanta, Georgia.
13. Naidoo, V., Urbain, V. and Buckley, C.A. (1998). Characterisation of wastewater and activated sludge from European municipal wastewater treatment plants using the NUR test. Wat. Sci. Tech. 38(1), 303-310.
14. Petersen, B., Gernaey, K. and Vanrolleghem, P.A. (2002). Anoxic activated sludge monitoring with combined nitrate and titrimetric measurements Wat. Sci. Tech. 45(4-5), 181-190.
15. Reichert, P. (1994). AQUASIM - A tool for simulation and data analysis of aquatic systems. Wat. Sci. Tech. 30(2), 21-30.
16. Rozzi, A., Massone, A. and Alessandrini, A. (1997a). Measurement of rbCOD as biological nitrate demand using a biosensor: preliminary results. Inter. Symp. "Environmental technology", Oostende, Belgium, April 21-23.
17. Rozzi, A., Masson, A. and Antonelli, M. (1997b). A VFA measuring biosensor based on nitrate reduction. Wat. Sci. Tech., 36(6-7), 183-189.
18. Sözen, S. and Orhon, D. (1999). The effect of nitrite correction on the evaluation of the rate of nitrate utilisation under anoxic conditions. J. Chem. Technol. Biotechnol., 74, 790-800.
19. Stumm, W. and Morgan, J. (1970). Aquatic Chemistry. Wiley and Sons Inc, New York, USA.
20. Ubay Çokgör, E., Sözen, S., Orhon, D. and Henze, M. (1998). Respirometric analysis of activated sludge behaviour II-Heterotrophic growth under aerobic and anoxic conditions. Wat. Res. 32, 461-475.