Comparing floc strength using a turbidimeter

International Journal of Mineral Processing

Volumn 100, Issue 3-4, 2011, Pages 142-148

  Cheng, Wen Po ^a   Chen, Ping Hung ^a   Yu, Ruey Fang ^a   Hsieh, Ying Ju ^a   Huang, Yu Wei ^a  

^a NATIONAL UNITED UNIVERSITY   (Taiwan)

Author keywords

Floc strength; Fractal dimension; Image analytical; Standard deviation; Turbidity

Indexed keywords

ALUMINUM SULFATES; CATIONIC POLYACRYLAMIDES; COAGULATION MECHANISM; COAGULATION PROCESS; DATA-ACQUISITION UNITS; DIGITAL IMAGE; FLOC STRENGTH; IMAGE ANALYTICAL; JAR TEST; MONITORING SYSTEM; NEPHELOMETRIC TURBIDITY; POLYALUMINUM CHLORIDE; RECOVERY FACTORS; STANDARD DEVIATION; STRENGTH FACTOR; THEORETICAL STRENGTH;

CHLORINE COMPOUNDS; COAGULATION; FRACTAL DIMENSION; KAOLIN; MONITORING; STATISTICS;

TURBIDITY;

EID: 80051795840     PISSN: 03017516     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.minpro.2011.05.010     Document Type: Article

References (31)

1. Y. Adachi, and Y. Tanaka Settling velocity of an aluminium-kaolinite floc Water Res. 31 1997 449 454 (Pubitemid 27122352)
2. A. Amirtharajah, and C.R. O'Melia Coagulation processes: destabilization, mixing, and flocculation Water quality and treatment 1990 McGraw-Hill New York 269
3. D.H. Bache, E. Rasool, D. Moffat, and F.J. McGilligan On the strength and character of alumino-humic flocs Water Sci. Technol. 40 1999 81 88
4. M.S. Burgess, and J.S. Phipps Flocculation of PCC induced by polymer/ microparticle systems: floc characteristics Nord. Pulp Paper Res. J. 15 2000 572578
5. G.C. Bushell, Y.D. Yan, D. Woodfield, J. Raper, and R. Amal On techniques for the measurement of the mass fractal dimension of aggregates Adv. Colloid Interface Sci. 95 2002 1
6. S. Byun, J. Oh, B.Y. Lee, and S. Lee Improvement of coagulation efficiency using instantaneous flash mixer (IFM) for water treatment Colloids surf. A 268 2005 104 110 (Pubitemid 41454872)
7. R.K. Chakraborti, J.F. Atkinson, and J.E. Van Benschoten Characterization of alum floc by image analysis Environ. Sci. Technol. 34 2000 3969 3976
8. W.P. Cheng, Y.P. Kao, and R.F. Yu A novel method for on-line evaluation of floc size in coagulation process Water Res. 42 2008 2691 2697
9. W.P. Cheng, Y.P. Kao, and R.F. Yu Comparison of three coagulants by on-line turbidity monitoring Proc. Ins. Civ. Eng. Wat. Manag. 163 2 2010 89 94
10. W.P. Cheng, J.N. Chang, P.H. Chen, R.F. Yu, Y.W. Huang, and Y.J. Hsieh New method for monitoring floc formation to achieve optimal flocculation in water treatment plant Environ. Eng. Sci. 27 6 2010 523 530
11. W.P. Cheng, R.F. Yu, Y.J. Hsieh, S.Y. Wu, Y.W. Huang, and S.M. Chen Optimizing coagulant demand by Nephelometric Turbidimeter Monitoring System (NTMS) Des. Wat. Treat. 16 2010 95 100
12. M. Franceschi, A. Girou, A.M. Carro-Diaz, M.T. Maurette, and E. Puech-Coste Optimization of the coagulation-flocculation process of raw water by optimal design method Water Res. 36 2002 3561 3572 (Pubitemid 34879799)
13. R.J. Francois Strength of aluminum hydroxide flocs Water Res. 21 1987 1023 1030
14. J. Gregory Turbidity fluctuations in flowing suspensions J. Colloid Interface Sci. 105 1985 357 372
15. J. Gregory The role of floc density in solid-liquid separation Filtr. Sep. 35 1998 367 371 (Pubitemid 28388489)
16. J. Gregory Monitoring floc formation and breakage Water Sci. Technol. 50 12 2004 163 170 (Pubitemid 40214333)
17. J. Gregory Monitoring particle aggregation processes Adv. Colloid Interface Sci. 147-148 2009 109 123
18. J. Gregory, and D.W. Nelson Monitoring of aggregates in flowing suspensions Colloids Surf. A 18 1986 175 188
19. C.P. Huang, and G.S. Chen Use of the fiber-optical monitor in evaluating the state of flocculation Water Res. 30 1996 2723 2727
20. P. Jarvis, B. Jefferson, and S.A. Parsons Measuring floc structural characteristics Environ. Sci. Biotechnol. 4 2005 1 18 (Pubitemid 41429443)
21. J.Q. Jiang, and N.J.D. Graham Research note; observations of the comparative hydrolysis/precipitation behavior of polyferric sulfate and ferric sulphate Water Res. 32 1998 930 935 (Pubitemid 28076869)
22. J.R. Kilps, B.E. Logan, and A.L. Alldredge Fractal dimensions of marine snow determined from image analysis of in situ photographs Deep-Sea Res. 41 1994 1159 1169 (Pubitemid 2135305)
23. T. Li, Z. Zhu, D.S. Wang, C.H. Yao, and H.X. Tang Characterization of floc size, strength and structure under various coagulation mechanisms Powder Technol. 168 2006 104 110 (Pubitemid 44414904)
24. T. Li, Z. Zhu, D.S. Wang, C.H. Yao, and H.X. Tang The strength and fractal dimension characteristics of alum-kaolin flocs Int. J. Miner. Process. 82 2007 23 29 (Pubitemid 46149177)
25. M. Rossini, J.G. Garrido, and M. Galluzzo Optimization of the coagulation-flocculation treatment: influence of rapid mix parameters Water Res. 33 1999 1817 1826 (Pubitemid 29187148)
26. D.S. Wang, W. Sun, Y. Xu, H. Tang, and J. Gregory Speciation stability of inorganic polymer flocculant-PACl Colloids Surf. A 234 2004 1 10 (Pubitemid 39099291)
27. R.M. Wu, D.J. Lee, T.D. Waite, and J. Guan Multilevel structure of sludge flocs J. Colloid Interface Sci. 252 2002 383 392 (Pubitemid 36142016)
28. J.F. Yu, D.S. Wang, M.Q. Yan, C.Q. Ye, M. Yang, and X.P. Ge Optimized coagulation of high alkalinity, low temperature and particle water: pH adjustment and polyelectrolytes as coagulant aids Environ. Monit. Assess. 131 2007 377 386 (Pubitemid 47019203)
29. W. Yu, G. Li, Y. Xu, and X. Yang Breakage and re-growth of flocs formed by alum and PACl Powder Technol. 189 2009 439 443
30. M.A. Yukselen, and J. Gregory Breakage and re-formation of alum flocs Environ. Eng. Sci. 19 2002 229 236 (Pubitemid 37420244)
31. M.A. Yukselen, and J. Gregory The reversibility of floc breakage Inter. J. Min. Process 73 2004 251 259 (Pubitemid 38144001)