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OZONATION OF SYNTHETIC WASTEWATER CONTAINING 2-MERCAPTOBENZOTHIAZOLE

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Author(s): J. Derco | L. Mitaľová

Journal: Petroleum and Coal
ISSN 1337-7027

Volume: 48;
Issue: 1;
Start page: 34;
Date: 2006;
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Keywords: biologically resistant compounds | biological degradability | industrial wastewater treatment | 2-mercaptobenzotiazole | ozonation | respirometric measurements

ABSTRACT
The possibilities of utilisation of ozone for removal of 2-mercaptobenzothiazole (MBT) from wastewater were studied in lab-scale. COD removal efficiency about 85 % was achieved after 6 hours of ozonation of the synthetic wastewater. The best fit of experimental COD data during ozonation was achieved with the zero order reaction kinetic model. Ozonation of MBT had positive influence on increase of biodegradability and respiration activity of activated sludge in the presence of wastewater after ozonation. The increase of BOD values and specific exogenous respiration rate with time of ozonation was observed within the performed measurements.
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