Effect of the minimum flux condition in the settler on the nonlinear behavior of the activated sludge process

Industrial and Engineering Chemistry Research

Volumn 45, Issue 17, 2006, Pages 5996-6006

  Kumar, M Vasudeva ^a   Raju, V Sree Rama ^a   Pushpavanam, S ^a   Kienle, A ^b  

^a INDIAN INSTITUTE OF TECHNOLOGY MADRAS   (India)

^b MAX PLANCK INSTITUTE FOR DYNAMICS OF COMPLEX TECHNICAL SYSTEMS   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

BIOCHEMISTRY; BIOMASS; CHEMICAL REACTORS; CONCENTRATION (PROCESS); MASS TRANSFER; SEWAGE AERATION; WASTEWATER TREATMENT;

AERATOR; BIOCHEMICAL REACTIONS; DOWNSTREAM SETTLER; SLUDGE WITHDRAWAL;

ACTIVATED SLUDGE PROCESS;

ACTIVATED SLUDGE PROCESS; BIOCHEMISTRY; BIOMASS; CHEMICAL REACTORS; CONCENTRATION (PROCESS); MASS TRANSFER; SEWAGE AERATION; WASTEWATER TREATMENT;

EID: 33748435823     PISSN: 08885885     EISSN: None     Source Type: Journal    
DOI: 10.1021/ie051376u     Document Type: Article

References (18)

1. Bailey, J. E.; Ollis, D. F. Biochemical Engineering Fundamentals', McGraw-Hill Book company: Singapore, 1986.
2. Ajbar, A.; Gamal, I. Stability and bifurcation of an unstructured model of a bioreactor with cell recycle. Math. Comput. Model. 1997, 25, 31-48.
3. Agarwal, P.; Lee, C.; Lim, H. C.; Ramakrishna, D. Theoretical investigation of dynamic behavior of isothermal continuous stirred tank biological reactor. Chem. Eng. Sci. 1982, 37, 453-462.
4. Henze, M.; Grady, C. P. L., Jr.; Gujer, W.; Marais, G. V. R.; Matsuo, T. A general model for single sludge wastewater treatment systems. Water Res. 1987, 27, 505-515.
5. Ajbar, A. Stability analysis of the biodegradation of mixed wastes in a continuous bioreactor with cell recycle. Water Res. 2001, 35 (5), 1201-1208.
6. Chancelier, J. P.; de Lara, M. C.; Pacard, F. Analysis of conservation PDE with discontinuous flux: A model of a settler. SIAM J. Appl. Math. 1994, 54 (4), 954-995.
7. Diehl, S. Dynamic and steady-state behavior of continuous sedimentation. SIAM J. Appl. Math. 1997, 57 (4), 991-1018.
8. Kaushik, G.; Murthy, Z. V. P. Thickener design: The new method. Chem. Eng. World 2002, 37, 145-147.
9. Baltzis, B. C.; Tsangaris, D. M.; Wang, K. W. Utilization of substitutable substrates in a bioreactor under cycling: A study on process dynamics and optimization. Chem. Eng. Sci. 1996, 51, 3801-3811.
10. Cloe, H. S.; Clevenger, G. H. Methods for determining the capacity of Slime settling tanks. Trans. AIME 1916, 55, 356-385.
11. Kynch, G. J. A theory of sedimentation. Trans. Faraday Soc. 1952, 48, 166-176.
12. Cho, S. H.; Colin, F.; Sardin, M.; Prost, C. Settling Velocity Model of Activated Sludge. Water Res. 1996, 27 (7), 1237-1242.
13. Marsili-Libelli, S. Dynamic Modelling of Sedimentation in the Activated Sludge Process. Civ. Eng. Syst. 1993, 10, 207-224.
14. Wang, K. W.; Tsangaris, D. M.; Baltzis, B. C.; Lewandowski, G. A. Biodegradation of mixed wastes in continuously operated cyclic reactors. Appl. Biochem. Biotechnol. 1996, 57/58, 801-815.
15. Kienle, A.; Lauschke, G.; Gehrke, V.; Gilles, E. D. On the dynamics of the circulation loop reactor - EnDashNumerical methods and analysis. Chem. Eng. Sci. 1995, 50, 2361-2375.
16. Mangold, M.; Kienle, A.; Gilles, E. D.; Mohl, K. D. Nonlinear computation in DIVA - methods and applications. Chem. Eng. Sci. 2000, 55, 441-454.
17. Dibiasio, D.; Lim, H. C.; Weigand, W. A. An experimental investigation of stability and multiplicity of steady states in a biological reactor. AIChE J. 1981, 27, 284-290.
18. Pushpavanam, S.; Kienle, A. Nonlinear behavior of an ideal reactor separator network with mass recycle. Chem. Eng. Sci. 2001, 56, 2837-2849.