BIO-FILTRATION STEP USE IN DRINKING WATER TREATMENT

Published in Scientific Bulletin. Series F. Biotechnologies, Vol. XVIII
Written by Dumitru VÂJU, Grigore VLAD, Mihaela HETVARY, Gabriela BAISAN, Sorin Claudiu ULINICI

The paper presents a case study, for the drinking water plants which involve a bio-filtration step used to reduce simultaneously, certain pollutants (iron, manganese, ammonia) in a single stage filtration. The bio-filtration step, with microorganisms multimedia doped layers was compared with a classic filtration step. The new approach shows the advantage of: higher yields of water pollutants reduction at low specific energy consumption. The bio-filtration process is preceded by an electrochemical pre-treatment whose role is: oxidation of dissolved substances from water, turn non biodegradable organic substances in biodegradable, favour coagulation and flocculation processes, bio-filtration process improvement. In order to optimize the process, was developed and validated a mathematical model of biofiltration process.

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Vâju D., Vlad G., Hetvary M., Baisan G., Ulinici S. C. 2014, BIO-FILTRATION STEP USE IN DRINKING WATER TREATMENT. Scientific Bulletin. Series F. Biotechnologies, Vol. XVIII, ISSN 2285-1364, 196-206.


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