Efficiency assessment of wastewater treatment plant based on SPMD sampling |
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Authors: | Vladimír Ko?í Tomá? Ocelka Martin Mlejnek Roman Grabic |
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Institution: | (1) Department of Environmental Chemistry, ICT, 166 28, Prague, Czech Republic;(2) National Health Institute, 702 00 Ostrava, Czech Republic |
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Abstract: | The efficiency of treatment processes forboth municipal and industrial wastewater (treatment plant-Ostrava, Czech Republic)
focused on persistent organic pollutants (POPs) was assessed. Semipermeable membrane devices (SPMDs) as a sampling system
were applied. Exposed SPMDs were analyzed both for chemical contaminants of POPs and toxicity response. The chemical analyses
of PAHs were made by HPLC-FLD, PCDD/Fs and PCBs were analysed by GC/MS/MS on GCQ or PolarisQ (Thermoquest). Ecotoxicity data
on chlorococcal alga Desmodesmus subspicatus (Scenedesmus subspicatus) and luminescent bacteria Vibrio fischeri are presented here. All toxicity data as effective volume Vtox are expressed. The results show good treatment ability of
the treatment plant and proved used system as an appropriate tool for efficiency assessment of treatment and/or decontamination
processes. |
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Keywords: | Sewage treatment process Persistent organic pollutants Bioluminescence inhibition Algal bioassay Vtox |
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