Measurement of Ordinary Heterotrophic Organism Active Biomass in Activated Sludge Mixed Liquor: Evaluation and Comparison of the Quantifying Techniques |
Lee, Byung Joon
(School of Construction and Environmental Engineering, Kyungpook National University)
Wentzel, Mark (Department of Civil Engineering, University of Cape Town) Ekama, George (Department of Civil Engineering, University of Cape Town) Choi, Yun Young (School of Construction and Environmental Engineering, Kyungpook National University) Choi, Jung Woo (School of Construction and Environmental Engineering, Kyungpook National University) |
1 | Water Research Commission. Theory, design and operation of nutrient removal activated sludge processes. Pretoria: Water Research Commission; 1984. |
2 | Henze M, Grady CP, Gujer V, Marais GV, Matsuo T. Activated sludge model No. 2. London: International Association on Water Quality; 1995. |
3 | Maurer M, Gujer W. Prediction of the performance of enhanced biological phosphorus removal plants. Water Sci. Technol. 1994;30:333-343. |
4 | Dold PL, Ekama GA, Marais GV. A general model for the activated sludge process. Prog. Water Technol. 1980;12:47-77. |
5 | Henze M, Grady CP, Gujer V, Marais GV, Matsuo T. Activated sludge model No. 1. London: International Association on Water Pollution Research and Control; 1987. |
6 | Cronje GL, Beeharry AO, Wentzel MC, Ekama GA. Active biomass in activated sludge mixed liquor. Water Res. 2002;36:439-444. DOI ScienceOn |
7 | Greenberg AE. Standard methods for the examination of water and wastewater. 16th ed. Washington: American Public Health Association; 1985. |
8 | Wentzel MC, Ubisi MF, Ekama GA. Heterotrophic active biomass component of activated sludge mixed liquor. Water Sci. Technol. 1998;37:79-87. |
9 | Cronje G, Wentzel MC, Ekama GA. Measurement of active heterogrophic organism concentration in the nitrificationdenitrification activated sludge systems. Cape Town: University of Cape Town, Department of Civil Engineering; 2000. |
10 | Beeharry AO, Wentzel MC, Ekama GA. Evaluation of batch test for measurement of active biomass in activated sludge mixed liquor. Cape Town: University of Cape Town, Department of Civil Engineering; 2001. |
11 | Dold PL, Wentzel MC, Billing A, Ekama GA, Marais GV. Activated sludge simulation programs: nitrification and nitrification/ denitrification systems (version 1.0). Pretoria: Water Research Commission; 1991. |
12 | Marais GV, Ekama GA. The activated sludge process: Part I. Steady state behaviour. Water SA 1976;2:164-200. |
13 | Ekama GA, Dold PL, Marais GV. Procedures for determining influent COD fractions and the maximum specific growth rate of heterotrophs in activated sludge systems. Water Sci. Technol. 1986;18:91-114. |
14 | Randall EW, Wilkinson A, Ekama GA. An instrument for the direct determination of oxygen utilization rate. Water SA 1991;17:11-18. |
15 | Lee BJ, Wentzel MC, Ekama GA. Measurement and modelling of ordinary heterotrophic organism active biomass concentrations in anoxic/aerobic activated sludge mixed liquor. Water Sci. Technol. 2006;54:1-10. |
16 | Lee BJ, Wentzel MC, Ekama GA. Batch test for measurement of ordinary heterotrophic organism active mass in organism activated sludge mixed liquor. Cape Town: University of Cape Town, Department of Civil Engineering; 2003. |
17 | Lee BJ, Wentzel MC, Ekama GA, Min KS. Mathematical model application to measure active ordinary heterotrophic organisms in activated sludge mixed liquor. J. Korean Soc. Water Wastewater 2003;17:827-838. |
18 | Wentzel MC, Ekama GA, Dold PL, Marais GV. Biological excess phosphorus removal: steady state process design. Water SA 1990;16:29-48. |