| Literature DB >> 10520485 |
M C Yeber1, J Rodríguez, J Freer, J Baeza, N Durán, H D Mansilla.
Abstract
The degradation, by several advanced oxidation reactions, of a pulp mill ECF bleaching effluent, was studied. The initial biodegradability of the organic matter present in the effluent, estimated as the BOD5/COD, was low (0.3). When the effluent was submitted to ozonation and to five different advanced oxidation systems (O3/UV, O3/UV/ZnO, O3/UV/TiO2, O2/UV/ZnO, O2/UV/TiO2), the biodegradability increase significantly. After five minutes of reaction, the O3/UV system appears as the most efficient in to transform the organic matter to more biodegradable forms. A similar effect was observed when the effluent was submitted to an activated sludge treatment. The COD, TOC and toxicity reduction correlated well with the biodegradability enhancement after AOPs treatments.Entities:
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Year: 1999 PMID： 10520485 DOI： 10.1016/s0045-6535(99)00068-5
Source DB: PubMed Journal: Chemosphere ISSN： 0045-6535 Impact factor: 7.086