Sewage sludge digestion at increased micropollutant content |
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| Authors: | Agata Rosińska Lidia Dąbrowska |
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| Affiliation: | Faculty of Environmental Engineering and Biotechnology, Department of Chemistry, Water and Sewage Technology, Czestochowa University of Technology, D?browskiego 69, 42-200 Cz?stochowa, Poland |
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| Abstract: | Research was conducted, which aim was to evaluate quantitative and qualitative PCB changes in sewage sludge during mesophilic digestion, and the influence of those compound concentration above acceptable level (1.9 mg kg−1 of sludge dry matter), also nickel and cadmium ions, on mesophilic digestion process. Before and after the digestion, concentration of seven PCB congeners, Ni and Cd in particular chemical fractions of the sludge was analyzed. |
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| Keywords: | Digestion Sewage sludge PCB High concentration Heavy metals Biogas |
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