Effects of Fe(III) on floc characteristics of activated sludge

Journal of Chemical Technology and Biotechnology

Volumn 80, Issue 3, 2005, Pages 313-319

  Li, Jiuyi ^a  

^a BEIJING JIAOTONG UNIVERSITY   (China)

Author keywords

Activated sludge; Bioflocculation; Extracellular polymeric substances; Fe(III); Settleability

Indexed keywords

BIOREACTORS; CONCENTRATION (PROCESS); EFFLUENT TREATMENT; FLOCCULATION; IRON; MICROORGANISMS; SCANNING ELECTRON MICROSCOPY; TURBIDITY;

ACTIVATED SLUDGE; FLOC CONCENTRATION; ORGANIC MATTER; SEQUENCING BATCH REACTORS (SBR);

SEWAGE SLUDGE;

FERRIC ION; ORGANIC MATTER;

ACTIVATED SLUDGE;

ACTIVATED SLUDGE; ARTICLE; CONCENTRATION (PARAMETERS); EFFLUENT; FLOCCULATION; MEASUREMENT; PARTICLE SIZE; SCANNING ELECTRON MICROSCOPY; SEQUENCING BATCH REACTOR; TURBIDITY; WASTE WATER MANAGEMENT; ZETA POTENTIAL;

EID: 14844304311     PISSN: 02682575     EISSN: None     Source Type: Journal    
DOI: 10.1002/jctb.1169     Document Type: Article

References (31)

1. Forster CF, Factors involved in the settlement of activated sludge - I nutrients and surface polymers. Wat Res 19 259-1264 (1985).
2. Wilen BM and Balmer P, The effect of dissolved oxygen concentration on the structure, size and size distribution of activated sludge flocs. Wat Res 33:391-400 (1999).
3. Barbusinski K and Koscielniak H, Influence of substrate loading intensity on floc size in activated sludge process. Wat Res 29:1703-1710 (1995).
4. Bisogni JJ Jr and Lawrence AW, Relationship between biological retention time and settling characteristics of activated sludge. Wat Res 5:753-763 (1971).
5. Knocke WR and Zentkovich TL, Effects of mean cell residence time and particle size distribution on activated sludge vacuum dewatering characteristics, J Wat Poll Contr Fed 58:1118-1123 (1986).
6. Liao BQ, Alen DG, Droppo IG, Leppard GG and Liss SN, Surface properties of sludge and their role in bioflocculation and settleability. Wat Res 35:339-350 (2001).
7. Piirtola L, Uusitalo R and Vesilind A, Effect of mineral materials and cations on activated and alum sludge settling. Wat Res 34:191-195 (2001).
8. Higgins M and Novak JT, The effect of cations on the settling and dewatering of activated sludges: laboratory results. Wat Environ Res 69:215-224 (1997).
9. Sobeck DC and Higgins MJ, Examination of three theories for mechanisms of cation-induced bioflocculation. Wat Res 36 527-538 (2002).
10. Eriksson L and Alm B, Study of flocculation mechanisms by observing effects of a complexing agent on activated sludge properties. Wat Sci Tech 24:21-28 (1991).
11. Urbain V, Block JC and Manem J, Bioflocculation in activated sludge: an analytic approach. Wat Res 27:829-838 (1993).
12. Bruus JH, Nielsen PH and Keiding K, On the stability of activated sludge flocs with implications to dewatering. Wat Res 26:1597-1604 (1992).
13. Cousin CP and Ganczarczyk JJ, Effects of salinity on physical characteristics of activated sludge flocs. Water Qual Res J Can 33:565-571(1998).
14. Zita A and Hermansson M, Effects of ionic strength on bacterial adhesion and stability of flocs in a wastewater activated sludge system. Appl Environ Microbiol 60:3041-3048 (1994).
15. Novak JT, Muller CD and Murthy SN, Floc structure and the role of cations. Wat Sci Tech 44:209-213 (2001).
16. Murthy SN, Novak JT and De Haas RD, Monitoring cations to predict and improve activated sludge settling and dewatering properties of industrial wastewaters. Wat Sci Tech 38:119-126 (1998).
17. Murthy SN and Novak JT, Influence of cations on activated-sludge effluent quality. Wat Environ Res 73:30-36 (2001).
18. Higgins M and Novak JT, Dewatering and settling of activated sludges: the case for using cation analysis. Wat Environ Res 69 225-233 (1997).
19. Wuhrmann K, Objective, technology and results of nitrogen and phosphorus removal processes, in Advances in Water Quality Improvement ed by Gloyna EF and Eckenfelder EE. University of Texas Press, Austin, pp 21-29 (1968).
20. Nielsen PH and Keiding K, Disintegration of activated sludge flocs in presence of sulfide. Wat Res 32:313-320 (1998).
21. APHA, Standard Methods for the Examination of Water and Wastewater, 18th edn. American Public Health Association, American Water Works Association, Water Environmental Federation, Washington, USA (1992).
22. Lowry OH, Rosebrough NJ, Farr AL and Randall RJ, Protein measurement with the Folin phenol reagent. J Biol Chem 193 265-275 (1951).
23. Dubois MJ, Gills KA, Hamilton JK, Reber PA and Smith F, Colorimetric method for determination of sugars and related substances. Analyt Chem 28:350-356 (1956).
24. Chaignon V, Lartiges BS, Samrani AEI and Mustin C, Evolution of size distribution and transfer of mineral particles between flocs in activated sludges: an insight into floc exchange dynamics. Wat Res 36:676-684 (2002).
25. Forster CF and Lewin DC, Polymer interactions at activated sludge surfaces. Eff Wat Treat J 12:520-525 (1972).
26. Brown MJ and Lester JN, Metal removal in activated sludge: the role of bacteria extracellular polymers. Wat Res 13 817-837 (1979).
27. Forster CF, Activated sludge surface in relation to the sludge volume index. Wat Res 5:861-870 (1971).
28. Morgan JW, Forster CF and Evison L, A comparative study of the nature of biopolymers extracted from anaerobic and activated sludges. Wat Res 24:743-750 (1990).
29. Goodwin JAS, Surface chemistry in the activated sludge process. PhD Thesis, University of Birmingham (1988).
30. Cloete TE and Oosthuizen DJ, The role of extracellular exopolymers in the removal of phosphorus from activated sludge. Wat Res 35:3595-3598 (2001).
31. Pavoni JL, Tenney MW and Echelberger Jr WF, Bacterial extracellular polymers and biological flocculation. J Wat Pollut Control Fed 43:414-431 (1972).