Optimization of Enhanced Flocculation for Treating Sediment Dredging Wastewater: Pollutant Removal Performance and Zeta Potential Analysis

Yun Fei Tang; Rong Chang Wang; Li Min Ma; Jian Fu Zhao

doi:10.4028/www.scientific.net/AMR.356-360.1668

Paper Titles

Comparison of A²/O and Membrane Bioreactor Processes for Municipal Wastewater Treatment: Nutrient Removal Performance and Sludge Characteristics
p.1647

NaNO₂/Fe³⁺/O₂ System Catalyzed Wet Air Oxidation of Reactive Brilliant Blue KN-R
p.1655

Removal of Gas-Phase Elemental Mercury by Bromine-Impregnated Activated Carbon
p.1660

Experimental Study of the Effect of Fly Ash Particle Size on its Mercury Adsorption Capability in the Flue Gas
p.1664

Optimization of Enhanced Flocculation for Treating Sediment Dredging Wastewater: Pollutant Removal Performance and Zeta Potential Analysis
p.1668

Removal of Phenol by a New Emulsion Liquid Membrane System and its Heat-Induced Demulsification
p.1675

Research Status and Influencing Factors for the Radon Emanation of Uranium Tailings Impoundment
p.1679

DO, ORP and PH as Control Parameters in an SBBR for Nitrogen Removal and Energy Saving
p.1684

Influence of Different Salts on the Degradation of Trichloroethylene under Reductive Condition
p.1689

HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 356-360Optimization of Enhanced Flocculation for Treating...

Optimization of Enhanced Flocculation for Treating Sediment Dredging Wastewater: Pollutant Removal Performance and Zeta Potential Analysis

Abstract:

Ferric chloride (FeCl₃) and polyacrylamide (PAM) are used as flocculant and coagulant aid for treating the dredging wastewater from Chongqing Liangtan river. The effects of dosages of flocculant and coagulant aid on removal rate of turbidity, suspended solid (SS) and COD were investigated. The effects of Zeta potential and particle size distribution on treating performance were also discussed. It was found that the optimal flocculation performance was achieved when the absolute Zeta potential approached zero. Lower dosages of flocculant and coagulant aid were needed when the average particle size of SS in dredging water was smaller.

You might also be interested in these eBooks

Progress in Environmental Science and Engineering (ICEESD)

View Preview

Info:

Periodical:

Advanced Materials Research (Volumes 356-360)

Pages:

1668-1674

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.356-360.1668

Citation:

Cite this paper

Online since:

October 2011

Authors:

Yun Fei Tang, Rong Chang Wang, Li Min Ma, Jian Fu Zhao

Keywords:

Enhanced Flocculation, Particle Size Distribution (PSD), Sediment Dredging Water, Zeta-Potential

Export:

RIS, BibTeX

Price:

Permissions CCC:

Request Permissions

Permissions PLS:

Request Permissions

Сopyright:

Citation:

References

[1] Shouliang Huo, Yifeng Jing, Jing Chenh. Experimental Research on Residual Water Treatment for Environmental Dredging[J].Research of Environmental Sciences, 2005,18(1):49-52+52-53.

Google Scholar

[2] Bao-an Hu. Research Progress on the Dewatering Technologies forEnvironmental Dredge Sediment. Journal of Water Resources & Water Engineering,2009,20(4):132-136. (In Chinese)

Google Scholar

[3] R.Hoggs. Flocculation and dewatering.Int.J.Mineral Process.58 (2000)223-236.

Google Scholar

[4] P.Somasundaran. Principles of flocculation, dispersion and selective flocculation, in: Proc. Fine Particles Processing , 1980:947-976.

Google Scholar

[5] Jun Cheng, Lihua Fan, Lihong Zhang. Chemical Production and Technology, 2008, 15(4):50-54.

Google Scholar

[6] Hanyan Li, Guoxiang Xu, Jingya Cao, etc. Study on Turbidity-removing Performance of 3 Typical Flocculants.Journal of Huaihai Institute of Technology (Natural Sciences Edition), 2006, 15(4):45-47.

Google Scholar

[7] Wickramasinghe S.R.，et al．Influence of cationic flocculant properties on the flocculation of yeast suspensions[J]．Advanced Powder Technology，2010，21(4):374-379．

DOI: 10.1016/j.apt.2010.02.006

Google Scholar

[8] McGuire, M.J. Addai-Mensah, and K.E. Bremmell. The effect of polymer structure type, pH and shear on the interfacial chemistry, theology and dewaterability of model iron oxide dispersions. Colloids and Surfaces a-Physicochemical and Engineering Aspects，2006，275(1-3):153-160.

DOI: 10.1016/j.colsurfa.2005.09.034

Google Scholar