Modeling and verification of selective sludge discharge as the controlling factor for aerobic granulation

Water Science and Technology

Volumn 62, Issue 10, 2010, Pages 2442-2449

  Li, A J ^a   Zhang, T ^a   Li, X Y ^a  

^a UNIVERSITY OF HONG KONG   (Hong Kong)

Author keywords

Activated sludge; Aerobic granulation; Biological wastewater treatment

Indexed keywords

ACTIVATED SLUDGE; ACTIVATED SLUDGE FLOCS; AEROBIC GRANULATION; AEROBIC SLUDGE; BATCH COLUMNS; BIOLOGICAL WASTEWATER TREATMENT; BIOMASS DYNAMICS; CONTROLLING FACTORS; DISCHARGE METHODS; EXPERIMENTAL STUDIES; GROWTH FORM; GROWTH MODES; KEY CONTROLLING FACTORS; LABORATORY EXPERIMENTS; MATHEMATICAL SIMULATIONS; MATURE GRANULES; SIMULATION RESULT; SLUDGE FLOCS; SUBSTRATE UPTAKE;

ACTIVATED SLUDGE PROCESS; BATCH REACTORS; BIOLOGICAL WATER TREATMENT; ECOLOGY; GRANULAR MATERIALS; SUBSTRATES; WASTEWATER; WASTEWATER TREATMENT; WATER TREATMENT PLANTS;

GRANULATION;

ACTIVATED SLUDGE; BIODEGRADATION; BIOMASS; BIOREACTOR; NUMERICAL MODEL; OXIC CONDITIONS; WASTE TREATMENT; WASTEWATER;

ACTIVATED SLUDGE; AEROBIC CAPACITY; ARTICLE; BATCH COLUMN REACTOR; BATCH REACTOR; BIOMASS; DENSITY; SLUDGE GRANULATION; SLUDGE TREATMENT; SUSPENSION;

AEROBIOSIS; BIOMASS; BIOREACTORS; COMPUTER SIMULATION; MODELS, THEORETICAL; SEWAGE; WASTE DISPOSAL, FLUID;

EID: 79951641766     PISSN: 02731223     EISSN: None     Source Type: Journal    
DOI: 10.2166/wst.2010.488     Document Type: Article

References (14)

1. Beun, J. J., van Loosdrecht, M. C. M. & Heijnen, J. J. 2002 Aerobic granulation in a sequencing batch airlift reactor. Water Res. 36, 702-712. (Pubitemid 33103755)
2. Davies, D. G., Parsek, M. R., Pearson, J. P., Iglewski, B. H., Costerton, J. W. & Greenberg, E. P. 1998 The involvement of cell-to-cell signals in the development of a bacterial biofilm. Science 280, 295-298.
3. Li, D. H. & Ganczarczyk, J. 1991 Size distribution of activated sludge flocs. Res. J. Water Pollut. Control Fed. 63, 806-814.
4. Li, A. J. & Li, X. Y. 2009 Selective sludge discharge as the determining factor in SBR aerobic granulation: numerical modelling and experimental verification. Water Res. 43, 3387-3396.
5. Li, X. Y., Yuan, Y. & Wang, H. W. 2003 The hydrodynamics of biological aggregates of different sludge ages: an insight into the mass transport mechanisms of bio-aggregates. Environ. Sci. Technol. 37, 292-299.
6. Liu, Y. & Tay, J. H. 2002 The essential role of hydrodynamic shear force in the formation of biofilm and granular sludge. Water Res. 36, 1653-1665. (Pubitemid 34288503)
7. Liu, Y. & Tay, J. H. 2004 State of the art of biogranulation technology for wastewater treatment. Biotechnol. Adv. 22, 533-563.
8. McSwain, B. S., Irvine, R. L. & Wilderer, P. A. 2004 The effect of intermittent feeding on aerobic granule structure. Water Sci. Technol. 49(11-12), 19-25.
9. Rittmann, B. E. & McCarty, P. L. 2001 Environmental Biotechnology: Principles and Applications. McGraw-Hill, New York.
10. Sears, K., Alleman, J. E., Barnard, J. L. & Oleszkiewicz, J. A. 2006 Density and activity characterization of activated sludge flocs. J. Environ. Eng. ASCE 132, 1235-1242.
11. Standard Methods for the Examination of Water and Wastewater 1998 20th edition, American Public Health Association/American Water Works Association/Water Environment Federation, Washington, DC, USA.
12. Tay, J. H., Liu, Q. S. & Liu, Y. 2002 Characteristics of aerobic granules grown on glucose and acetate in sequential aerobic sludge blanket reactors. Environ. Technol. 23, 931-936.
13. Yang, S. F., Liu, Q. S., Tay, J. H. & Liu, Y. 2004 Growth kinetics of aerobic granules developed in sequencing batch reactors. Lett. Appl. Microbiol. 38, 106-112.
14. Yang, S. F., Li, X. Y.&Yu, H. Q. 2008 Formation and characterisation of fungal and bacterial granules under different feeding alkalinity and pH conditions. Process Biochem. 43, 8-14.