Effects of chemical amendments on aquatic floc structure, settling and strength

Water Research

Volumn 42, Issue 1-2, 2008, Pages 169-179

  Droppo, I G ^a,b   Exall, K ^a   Stafford, K ^b  

^a ENVIRONMENT CANADA   (Canada)

^b MCMASTER UNIVERSITY   (Canada)

Author keywords

Coagulant; Floc strength; Flocculant; Flocculation; Sediments; Shear

Indexed keywords

FLOCCULATION; IMAGE ANALYSIS; POROSITY; SEDIMENTS;

COAGULANT; FLOC STRENGTH; FLOCCULANT;

WATER ANALYSIS;

ALUMINUM POTASSIUM SULFATE; CHITOSAN; COAGULATING AGENT; POLYACRYLAMIDE;

FLOCCULATION; IMAGE ANALYSIS; POROSITY; SEDIMENTS; WATER ANALYSIS;

AQUATIC ENVIRONMENT; COAGULATION; FLOCCULATION; IMAGE ANALYSIS; MICROSCOPY; SEDIMENT ANALYSIS; SHEAR; TURBIDITY;

AQUATIC ENVIRONMENT; ARTICLE; CHEMICAL REACTION; DENSITY; EXPERIMENTAL DESIGN; FLOCCULATION; IMAGE ANALYSIS; MATHEMATICAL COMPUTING; MEASUREMENT; POROSITY; PRIORITY JOURNAL; SEDIMENT; SEDIMENTATION; SHEAR FLOW; SHEAR STRENGTH; TURBIDITY; VELOCITY; WASTE WATER MANAGEMENT;

EID: 37349098868     PISSN: 00431354     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.watres.2007.06.054     Document Type: Article

References (36)

1. Berkowitz J., Anderson M.A., and Amrhein C. Influence of aging on phosphorus sorption to alum floc in lake water. Water Res. 40 (2006) 911-916
2. Biggs C.A., and Lant P.A. Activated sludge flocculation: on-line determination of floc size and the effect of shear. Water Res. 34 (2000) 2542-2550
3. Boller M., and Blaser S. Particles under stress. Water Sci. Technol. 37 10 (1998) 9-29
4. Bolto B.A. Soluble polymers in water purification. Prog. Polym. Sci. 20 (1995) 987-1041
5. Bouyer D., Line A., and Zdravka D.-Q. Experimental analysis of floc size distribution under different hydrodynamics in a mixing tank. Am. Inst. Chem. Eng. J. 50 9 (2004) 2064-2081
6. Bullock G., Blazer V., Tsukuda S., and Summerfelt S. Toxicity of acidified chitosan for cultured rainbow trout. Aquaculture 185 (2000) 273-280
7. Divakaran R., and Pillai V.N.S. Flocculation of river silt using chitosan. Water Res. 36 (2002) 2414-2418
8. Droppo I.G. Rethinking what constitutes suspended sediment. Hydrol. Process. 15 (2001) 1551-1564
9. Droppo I.G. Structural controls on floc strength and transport. Can. J. Civ. Eng. 31 (2004) 569-578
10. Droppo I.G., Leppard G.G., Flannigan D.T., and Liss S.N. The freshwater floc: a functional relationship of water and organic and inorganic floc constituents affecting suspended sediment properties. Water Air Soil Pollut. 99 (1997) 43-53
11. In: Droppo I.G., Leppard G.G., Liss S.N., and Milligan T.G. (Eds). Flocculation in Natural and Engineered Environmental Systems (2005), CRC Press, Boca Raton, FL
12. Exall K. Coagulation and flocculation. In: Lehr J. (Ed). Encyclopedia of Water, vol. 4: Oceanography; Meteorology; Physics and Chemistry; Water Law; and Water History, Art, and Culture (2005), Wiley, Hoboken 424-429
13. Gregory J., and Yukselen M.A. Break-up and re-formation of flocs formed by hydrolyzing coagulants and polymeric flocculants. In: Hahn H.H., Hoffmann E., and Odegaard H. (Eds). Chemical Water and Wastewater Treatment (2002), IWA Publishing, Padstow, Cornwall, UK 29-38
14. Hawley N. Settling velocity distribution of natural aggregates. J. Geophys. Res. 87 C12 (1982) 9489-9498
15. Irvine K.N., and Droppo I.G. Consideration for CSO floc characteristics for modeling the removal of solids in a detention tank. In: James W. (Ed). New Applications in Modeling Urban Water Systems-Monograph 7 (1999), Computational Hydraulics International, Guelph, Ontario, Canada 181-201
16. Jarvis P., Jefferson B., Gregory J., and Parsons S.A. A review of floc strength and breakage. Water Res. 39 (2005) 3121-3137
17. Kok S. Wet-weather flow management in the Great Lakes areas of concern. Water Qual. J. Can. 39 (2004) 319-330
18. Krishnappan B.G. Modelling of settling and flocculation of fine sediments in still water. Can. J. Civ. Eng. 17 (1990) 763-770
19. Krishnappan B.G., and Marsalek J. Modelling of flocculation and transport of cohesive sediment from an on-stream stormwater detention pond. Water Res. 36 (2002) 3849-3859
20. Letterman R.D. Water Quality and Treatment: A Handbook of Community Water Supplies (1999), American Water Works Association, McGraw-Hill, Inc., New York
21. Li D.-H., and Ganczarczyk J. Stroboscopic determination of settling velocity, size and porosity of activated sludge flocs. Water Res. 21 (1987) 257-262
22. Liao B.Q., Allen D.G., Leppard G.G., Droppo I.G., and Liss S.N. Interparticle interactions affecting the stability of sludge flocs. J. Colloid Interf. Sci. 249 (2002) 372-380
23. Macpherson, J., LeMaster, M., Jack, A., Kilander, A., 2002. Dredging and Water Quality: Tahoe Key Marine Project Review. World Dredging: Mining and Construction, pp. 8-14.
24. Matthews R.R., Watt W.E., Marsalek J., Crowder A.A., and Anderson B.C. Extended retention times in a stormwater pond with retrofitted baffles. Water Qual. Res. J. Can. 32 (1997) 73-87
25. Newcombe C.P. Impact assessment model for clear water fishes exposed to excessively cloudy water. J. Am. Water Resour. Assoc. 39 3 (2003) 529-544
26. Norwood W.P., Borgmann U., and Dixon D.G. Saturation models of arsenic, cobalt, chromium and manganese bioaccumulation of Hyalella azteca. Environ. Pollut. 143 (2006) 519-528
27. Parker D.S., Kaufman W.J., and Jenkins D. Floc breakup in turbulent flocculation processes. J. Sanit. Eng. Div.: Proc. Am. Soc. Civ. Eng. SA 1 (1972) 79-99
28. Platts W.S., Torquemada R.J., McHenry M.L., and Graham C.K. Changes in salmon spawning and rearing habitat from increased delivery of fine sediment to the South Fork Salmon River, Idaho. Trans. Am. Fish. Soc. 118 (1989) 274-283
29. Rydin E., and Welch E.B. Dosing alum to Wisconsin lake sediments based on in vitro formation of aluminum bound phosphate. Lake Reservoir Manage. 15 4 (1999) 324-331
30. Sekine M., Takeshita A., Oda N., Ukita M., Imai T., and Higuchi T. On-site treatment of turbid river water using chitosan a natural organic polymer coagulant. Water Sci. Technol. 53 2 (2006) 155-161
31. Shaw J.K.E., Watt W.E., Marsalek J., Anderson B.C., and Crowder A.A. Flow pattern characterization in an urban stormwater detention pond and implications for water quality. Water Qual. J. Can. 32 (1997) 53-71
32. Sinha S., Yoon Y., Amy G., and Yoon J. Determining the effectiveness of conventional and alternative coagulants through effective characterization schemes. Chemosphere 57 (2004) 1115-1122
33. Thomas D.N., Judd S.J., and Fawcett N. Flocculation modelling: a review. Water Res. 33 (1999) 1579-1592
34. Welch E.B., and Cooke G.D. Effectiveness and longevity of phosphorus inactivation with alum. Lake Reservoir Manage. 15 1 (1999) 5-27
35. Wood P.J., and Armitage P.D. Biological effects of fine sediment in the lotic environment. Environ. Manage. 21 2 (1997) 203-217
36. Wood J., He C., Rochfort Q., Marsalek J., Seto P., Yang M., Chessie P., and Kok S. High-rate stormwater clarification with polymeric flocculant addition. Water Sci. Technol. 51 2 (2005) 79-88