The impact of residual coagulant on the respiration rate and sludge characteristics of an activated microbial biomass

Process Safety and Environmental Protection

Volumn 79, Issue 5, 2001, Pages 283-290

  Lees, E J ^a   Noble, B ^b   Hewitt, R ^b   Parsons, S A ^a  

^a CRANFIELD UNIVERSITY   (United Kingdom)

^b Huntsman Tioxide   (United Kingdom)

Author keywords

Coagulant; Phosphorus removal; Pre precipitation; Respirometry

Indexed keywords

BIOMASS; CHEMICAL OXYGEN DEMAND; COAGULATION; EFFLUENT TREATMENT; IONS; PH EFFECTS; PRECIPITATION (CHEMICAL); SEWAGE SLUDGE;

RESIDUAL COAGULATIONS;

WASTEWATER TREATMENT;

EID: 0035453976     PISSN: 09575820     EISSN: None     Source Type: Journal    
DOI: 10.1205/095758201753189721     Document Type: Article

References (26)

1. Dentel, S. K., 1991, Coagulant control in water treatment, Crit Rev Environ Control, 21(1): 41-135.
2. Council of European Communities, 1991, Directive on Urban Waste Water Treatment (91/271/EC).
3. Harleman, D. R. F. and Murcott, S., 1999, The role of physical-chemical wastewater treatment in the mega-cities of the developing world, Wat Sci Tech, 40(4-5): 75-80.
4. US Environmental Protection Agency, 1986, Design Manual: Phosphorus Removal. US EPA 625/1-87/001 (Cincinnati, OH).
5. Vosser, J. L., 1980, Chemically aided settlement of crude sewage, Prog Water Tech, 12(5): 411-426.
6. Poon, C. S. and Chu, C. W., 1999, The use of ferric chloride and anionic polymer in the chemically assisted primary sedimentation process, Chemo, 39(10): 1573-1582.
7. Ødegaard, H., 1988, Coagulation as the first step in wastewater treatment. In: Pretreatment in Chemical Water and WasteWater Treatment, Hahn, H. H. and Klute, R. (eds.) (Springer-Verlag, Berlin, Heidelberg).
8. Gerardi, M. H., 1986, Effects of heavy metals upon the biological wastewater treatment process, Public Wks, June: 77-80.
9. Snyman, H. G., Rössle, W. H. and Thompson, A., 1998, The effect of contaminating aluminum sulphate on wastewater sludge production and microbial activity, Biennial Conference and Exhibition of the Water Institute of Southern Africa, 4-7 May, Cape Town, 1A 1-8.
10. Mittal, S. K. and Ratra, R. K., 2000, Toxic effect of metal ions on biochemical oxygen demand, Wat Res, 34(1): 147-152.
11. Alleman, J. E., 1998, Behaviour and physiology of nitrifying bacteria, Unpublished (Purdue University, Indiana).
12. Clark, T., 1999, The Impact of Chemical Addition for Phosphorus Removal on Activated Sludge Treatment, PhD Thesis (Cranfield University, Bedford, UK).
13. Lester, J. N., 1987, Biological treatment. In: Heavy Metals in Wastewater and Sludge Treatment Processes, Volume II Treatment and Disposal, Lester, J. N. (ed.) (CRC Press, Florida).
14. APHA, 1992, Standard Methods for the Examination of Water and Wastewater, 18th edition (American Public Health Association, Washington DC, USA).
15. Burgess, J. E., 1999, Micronutrients for Wastewater Treatment, PhD Thesis, Cranfield University, Bedford, UK).
16. Mayhew, M. E., 1999, Chemical Inhibitors for Biomass Yield Reduction in Activated Sludge. PhD Thesis (Cranfield University, Bedford, UK).
17. Eikelboom, D. H. and van Buijsen, H. J. J., 1981, Microscopic Sludge Investigation Manual, TNO Institute for Environmental Hygiene Report A94a (TNO, Delft, Holland).
18. Abraham, J. V., 1997, Ciliate populations and metals in an activated-sludge plant, Water Res, 31(5): 1103-1111.
19. Hogg, R., Klimpel, R. C. and Ray, D. T., 1987, Agglomerate structure in flocculated suspensions and its effect on sedimentation and dewatering, Minerals and Metallurgical Processing, 4(2): 108-114.
20. Klimpel, R. C. and Hogg, R., 1991, Evaluation of floc structures, Colloids and Surf, 55: 279-288.
21. Campbell, H. W. and Crescoulo, P. J., 1985, Rheological properties of polymer-conditioned sludges. In: Fundamental Aspects of Sludge Characterisation and Dewatering, Vesiland, P. A. (ed.) (Engineering Foundation, New York, USA).
22. Katsiris, N., 1987, Bound water content of biological sludges in relation to filtration and dewatering, Wat Res, 21(11): 1319-1327.
23. Knocke, W. R., 1985, The role of floc size and density in defining activated sludge thickening characteristics. In: Fundamental Aspects of Sludge Characterisation and Dewatering, Vesiland, P. A. (ed.) (Engineering Foundation, New York, USA).
24. Parsons, S. A. and Daniels, S. J., 1999, The use of recovered coagulants in wastewater treatment, Envi Tec, 20: 979-985.
25. Knocke, W. R. and Wakeland, D. L., 1983, Fundamental characteristics of water treatment plant sludges, J Am Water Works Assoc, 75(10): 516-523.
26. Smollen, M., 1990, Evaluation of municipal sludge drying and dewatering with respect to sludge volume reduction, Water Sci Tech, 22: 153-161.