Study on dewatering of activated sludge under applied electric field

Huanjing Kexue/Environmental Science

Volumn 33, Issue 12, 2012, Pages 4393-4399

  Ji, Xue Yuan ^a   Wang, Yi Li ^a   Feng, Jing ^a  

^a BEIJING FORESTRY UNIVERSITY   (China)

Author keywords

Activated sludge; Dewatering rate; Flocculation conditioning; Horizontal electric field; Sludge characteristics

Indexed keywords

ARTICLE; CHEMISTRY; DESICCATION; ELECTRICITY; ELECTROCHEMISTRY; METHODOLOGY; PH; SEWAGE;

DESICCATION; ELECTRICITY; ELECTROCHEMISTRY; HYDROGEN-ION CONCENTRATION; SEWAGE;

EID: 84871822361     PISSN: 02503301     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (26)

1. 2006, 19(1): 16-19.
2. 2008, 16(2): 28-32.
3. 2011, 31(10): 2199-2203.
4. 2010, 35(3): 85-87.
5. Mahmoud A, Olivier J, Vaxelaire J, et al. Electrical field: a historical review of its application and contributions in wastewater sludge dewatering[J]. Water Research, 2010, 44(8): 2381-2407.
6. Barton W A, Miller S A, Veal C J. The electrodewatering of sewage sludge[J]. Drying Technology, 1999, 17(3): 497-522.
7. Weber K, Stahl W. Improvement of filtration kinetics by pressure electrofiltration[J]. Separation and Purification Technology, 2002, 26(1): 69-80.
8. Yoshida H. Practical aspects of dewatering enhanced by electroosmosis[J]. Drying Technology, 1993, 11(4): 787-814.
9. Yoshida H, Kitajyo K, Nakayama M. Electroosmotic dewatering under A. C. electric field with periodic reversals of electrode polarity[J]. Drying Technology, 1999, 17(3): 539-554.
10. Rabie H R, Mujumdar A S, Weber M E. Interrupted electroosmotic dewatering of clay suspensions[J]. Separations Technology, 1994, 4(1): 38-46.
11. Ho M Y, Chen G H. Enhanced electro-osmotic dewatering of fine particle suspension using a rotating anode[J]. Industrial and Engineering Chemistry Research, 2001, 40(8): 1859-1863.
12. 2001, 52(7): 635-638.
13. Jin B, Wilén B M, Lant P. A comprehensive insight into floc characteristics and their impact on compressibility and settleability of activated sludge[J]. Chemical Engineering Journal, 2003, 95(1-3): 221-234.
14. Wilén B M, Jin B, Lant P. The influence of key chemical constituents in activated sludge on surface and flocculating properties[J]. Water Research, 2003, 37(9): 2127-2139.
15. 2002.
16. Citeau M, Larue O, Vorobiev E. Influence of salt, pH and polyelectrolyte on the pressure electro-dewatering of sewage sludge[J]. Water Research, 2011, 45(6): 2167-2180.
17. Laursen S, Jensen J B. Electroosmosis in filter cakes of activated sludge[J]. Water Research, 1993, 27(5): 777-783.
18. Gingerich I, Neufeld R D, Thomas T A. Electroosmotically enhanced sludge pressure filtration[J]. Water Environment Research, 1999, 71(3): 267-276.
19. Saveyn H, Pauwels G, Timmerman R, et al. Effect of polyelectrolyte conditioning on the enhanced dewatering of activated sludge by application of an electric field during the expression phase[J]. Water Research, 2005, 39(13): 3012-3020.
20. Dentel S K. Conditioning[A]. In: Spinosa L, Vesilind P A. Sludge into biosolids: processing, disposal, utilization[C]. London: IWA Publishing, 2001. 278-310.
21. Adamson A W. Physical chemistry of surfaces [M]. (5th ed.) New York: John Wiley & Sons, 1990.
22. Saveyn H, Van der Meeren P, Pauwels G, et al. Bench-and pilot-scale sludge electrodewatering in a diaphragm filter press[J]. Water Science and Technology, 2006, 54(9): 53-60.
23. Tuan P A, Jurate V, Mika S. Electro-dewatering of sludge under pressure and non-pressure conditions[J]. Environmental Technology, 2008, 29(10): 1075-1084.
24. Mahmoud A, Olivier J, Vaxelaire J, et al. Electro-dewatering of wastewater sludge: influence of the operating conditions and their interactions effects[J]. Water Research, 2011, 45(9): 2795-2810.
25. Miller S A, Murphy A, Veal C J, et al. Improved filtration of sewage sludge using electro-dewatering[R]. Australia: the Commonwealth Scientific and Industrial Research Organization (CSIRO), 1998. 65.
26. 2005, 21(5): 36-38.