The application of bioflocculant for the removal of humic acids from stabilized landfill leachates

 
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The application of bioflocculant for the removal of humic acids from stabilized landfill leachates

Katsoyiannis, I. A.
Zoumpoulis, Anastasios
Chai, X.-L.

The evaluation of bioflocculant, in comparison with traditional inorganic coagulants, for the removal of humic acids from landfill leachates stabilized by biological treatment, was performed using conventional jar-test coagulation experiments. The optimized conditions (pH and coagulant dosage) were identified for the treatment of synthetic solutions as well as for biologically pre-treated landfill leachates. It was found that the application of bioflocculant was quite efficient in the removal of humic acids from synthetic solutions as well as in the reduction of COD content from real landfill leachates. The optimal pH value was found to be between 7 and 7.5, while a 20 mg/l bioflocculant dosage was sufficient in providing more than 85% humic acid removal. The results were comparable with those obtained by the application of conventional coagulants such as alum or polyaluminum chloride; therefore, bioflocculant can be considered as a viable alternative in the treatment of landfill leachates applying coagulation

Article / Άρθρο
info:eu-repo/semantics/article

Bioflocculant
Landfill leachates
Coagulation
Humic acids

Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (EL)
Aristotle University of Thessaloniki (EN)

Αγγλική γλώσσα

2009-07-06T08:54:25Z
2004


Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης, Σχολή Θετικών Επιστημών, Τμήμα Χημείας

Journal of Environmental Management, vol.70 [2004] p.35-41 [Published Version]
urn:ISSN:03014797

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info:eu-repo/semantics/openAccess



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