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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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Original Research Articles

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(5): 1344-1362
DOI: https://doi.org/10.20546/ijcmas.2017.605.146


Treatment of Leachate from Urban Waste Using Coagulation-Flocculation and Adsorption
H. Zouaghi1*, M. Ruiti2 and B. Ben Thayer3
1National Engineering School of Monastir, Avenue Ibn El Jazzar, 5019, Monastir, Tunisia
2National Agronomy Institute of Tunis, 43 Avenue Charles Nicolle, 1082, Tunis, Tunisia
3High Institute of Rural Engineering and Equipment Medjez El Bab, Laboratory of chemistry and water quality, 9070, Medjez El Bab, Beja, Tunisia
*Corresponding author
Abstract:

The present work deals with the leachate treatment using the following processes: coagulation-flocculation by alumina sulfate followed by anionic polyelectrolyte, on one hand. This treatment is preceded by a pretreatment using NaOH and KOH. On the other hand, adsorption by bark Alep pine powder and fibers of date palm leaves is used. Monitoring of physicochemical parameters of that leachate gave a pH of 8,46; an electrical conductivity of 18,24mS/cm, an orthophosphate concentration of 0,35mg/l, an oxidability of 125mg O2/l and a turbidity of 252FAU. Pretreatment with precipitation was considered. For treatment by coagulation - flocculation and for the precipitation, Leachate treatment preceded by pretreatment gives better results with optimal doses. Note that the best pretreatment is by soda which gives an optimum turbidity of 54FAU with minimum doses of alumina sulfate. Then, using adsorption for leachate treatment requires the least investment cost. Adsorption with 2g of Alep pine bark/100ml of leachate gave the best results of turbidity.


Keywords: Leachate, Coagulation-Flocculation, Adsorption, Treatment.
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How to cite this article:

Zouaghi, H., and Ben Thayer, B. 2017. Treatment of Leachate from Urban Waste Using Coagulation-Flocculation and AdsorptionInt.J.Curr.Microbiol.App.Sci. 6(5): 1344-1362. doi: https://doi.org/10.20546/ijcmas.2017.605.146