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Treatment of chlorinated organics in bleached Kraft mill effluents by activated sludge process
Date
1997-01-01
Author
Ataberk, S
Gökçay, Celal Ferdi
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Combined effluents from a bleached Kraft pulp mill using annual plants were treated in a lab-scale activated sludge (AS) system. The effects of operating solids retention time (SRT) and concentration of additional carbon source on AOX removal were investigated. Higher AOX removals (30%) were observed with long SRTs, 99% of which was pure metabolization. As SRT was decreased AOX removal efficiency also decreased (4%) and principal AOX removal mechanism changed to adsorption onto wasted biomass. The AOX removal efficiency was lower (10%) on a 20% decrease in the supplemental carbon source, with no apparent effect on the removal mechanism. (C) 1997 IAWQ. Published by Elsevier Science Ltd.
Subject Keywords
Bleached Kraft mill effluents
,
Activated sludge
,
AOX
,
Biodegradation
URI
https://hdl.handle.net/11511/57647
Journal
WATER SCIENCE AND TECHNOLOGY
DOI
https://doi.org/10.1016/s0273-1223(97)00381-8
Collections
Department of Environmental Engineering, Article