On-line optical determination of floc size of Fe(III) coagulants

Journal of Environmental Sciences

Volumn 17, Issue 6, 2005, Pages 921-925

  Wang, Yan ^a   Gao, Bao Yu ^a   Yue, Qin Yan ^a   Zhou, Wei Zhi ^a   Chu, Yong Bao ^a  

^a SHANDONG UNIVERSITY   (China)

Author keywords

Coagulants; Floc aggregation; Photometric dispersion analyzer (PDA); Water treatment

Indexed keywords

AGGLOMERATION; CHEMICAL REACTORS; COAGULATION; COMPOSITION EFFECTS; IONIC STRENGTH; OPTICAL PROPERTIES; PH EFFECTS; PHOTOMETRY; WATER TREATMENT;

COAGULANTS; FLOC AGGREGATION; FLOC GROWTH; FLOC SIZE; PHOTOMETRIC DISPERSION ANALYZER (PDA);

IRON;

FERRIC CHLORIDE; FERRIC ION;

AGGLOMERATION; CHEMICAL REACTORS; COAGULATION; COMPOSITION EFFECTS; IONIC STRENGTH; IRON; OPTICAL PROPERTIES; PH EFFECTS; PHOTOMETRY; WATER TREATMENT;

WATER TREATMENT;

ARTICLE; CHEMISTRY; COMPARATIVE STUDY; FLOCCULATION; METHODOLOGY; PH; WATER MANAGEMENT;

FERRIC COMPOUNDS; FLOCCULATION; HYDROGEN-ION CONCENTRATION; WATER PURIFICATION;

EID: 33644605756     PISSN: 10010742     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (18)

1. Burgess M S, Curley J E, Wiseman N et al., 2002. On-line optical determination of floc size: Part I: Principles and techniques [J]. J Pulp Pap Sci, 28(2): 63-65.
2. Ching H W, Tanaka T S, Elimelech M, 1994. Dynamics of coagulation of kaolin particles with ferric chloride [J]. Water Res. 28(3): 559-569.
3. Chaignon V, Lartiges B S, El Samrani A et al., 2002. Evolution of size distribution and transfer of mineral particles between flocs in activated sludges: An insight into floc exchange dynamics [J]. Water Res, 36: 676-684.
4. Ducoste J, 2002. A two-scale PBM for modeling turbulent flocculation in water treatment processes [J]. Chemical Engineering Science, 57(12): 2157-2168.
5. Divakaran R, Sivasankara Pillai V N, 2001. Flocculation of kaolinite suspensions in water by chitosan [J]. Water Res, 35(16): 3904-3908.
6. Gregory J, 1985. Turbidity fluctuation in flowing suspensions [J]. J Colloid Interface Sci. 105: 357-371.
7. Gregory J, Nelson D W, 1984. A new optical method for flocculation monitoring [M]. In: Solid-liquid separation (J. Gregory, ed.). Chichester: Ellis Horwood. 172-182.
8. Hopkins C D, Ducoste J J, 2003. Characterizing flocculation under heterogeneous turbulence [J]. J Colloid Interface Sci, 264: 184-194.
9. Jiang J Q, Graham N J D, 1998. Observations of the comparative hydrolysis/precipitation behavior of polyferric sulphate and ferric sulphate [J]. Water Res, 32: 930-935.
10. McCurdy K, Carlson K, Gregory D, 2004. Floc morphology and cyclic shearing recovery: Comparison of alum and polyaluminum chloride coagulants [J]. Water Res, 38: 486-494.
11. Miao J, Yue Q Y, Gao B Y et al., 2004. Water purification by high concentration polyferric chloride (PFC) coagulant [J]. Environmental Chemistry, 23(1): 62-65.
12. Ratnaweera H, Hiller N, Bunse U, 1999. Comparison of the coagulation behavior of different Norwegian aquatic NOM sources [J]. Environment International, 25(2): 347-355.
13. Selomulya C, Amal R, Bushell G et al., 2001. Evidence of shear rate dependence on restructuring and breakup of latex aggregates [J]. Journal of Colloid and Interface Science, 236(1): 67-77.
14. Tang H X, Stumm W, 1987. The coagulation behaviors of Fe(III) polymeric species: I. Preformed polymers by base addition [J]. Water Res, 21: 115-121.
15. Tang H X, 1990. Basic studies of inorganic polymer flocculants [J]. Environmental Chemistry, 9(3): 1-12.
16. Tenny A M. Derka J, 1992. Hydroxylated ferric sulphate-an alumium salt alternative [J]. Water Supply, 10: 167-174.
17. Wen P C, Fung H C, 2002. A study of coagulation mechanisms of polyferric sulfate reacting with humic acid using a fluorescence-quenching method [J]. Water Res, 36: 4581-4591.
18. Yue Q T, Gao B Y, Miao J, 2003. Electroknetic characters and coagulating mechanisms of PFC with high concentration (Chinese) [J]. Journal of Shan Dong University, 38(4): 92-99.