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ANAEROBIC BIOREMEDIATION OF PAH-CONTAMINATED SOIL: ASSESSMENT OF THE DEGRADATION OF CONTAMINANTS AND BIOGAS PRODUCTION UNDER THERMOPHILIC AND MESOPHILIC CONDITIONS
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SYSNO ASEP 0455885 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název ANAEROBIC BIOREMEDIATION OF PAH-CONTAMINATED SOIL: ASSESSMENT OF THE DEGRADATION OF CONTAMINANTS AND BIOGAS PRODUCTION UNDER THERMOPHILIC AND MESOPHILIC CONDITIONS Tvůrce(i) Sayara, T. (IL)
Čvančarová, Monika (MBU-M) RID
Cajthaml, Tomáš (MBU-M) RID, ORCID
Sarra, M. (ES)
Sánchez, A. (ES)Zdroj.dok. Environmental Engineering and Management Journal - ISSN 1582-9596
Roč. 14, č. 1 (2015), s. 153-165Poč.str. 13 s. Jazyk dok. eng - angličtina Země vyd. RO - Rumunsko Klíč. slova anaerobic digestion ; central composite design ; PAH-contaminated soil Vědní obor RIV EE - Mikrobiologie, virologie CEP GA525/09/1058 GA ČR - Grantová agentura ČR Institucionální podpora MBU-M - RVO:61388971 UT WOS 000351589400017 Anotace The degradation of polycyclic aromatic hydrocarbons (PAHs) including fluorene, phenanthrene, anthracene, fluoranthene and pyrene were investigated under thermophilic and mesophilic anaerobic-methanogenic conditions. By using central composite design, the impact of PAH concentration and soil to inocula ratio were systematically studied for their influence on PAH removal and biogas production. During the first 30 days, PAH concentration decreased in all samples indicating that the inocula used were able to biodegrade the contaminants; although an inhibition effect was initially observed in biogas production. Phospholipids fatty acids analysis was used to monitor the microbial communities present during the process. These communities were more complex in samples containing moderate to high PAH contamination concentrations. After 50 days, the concentration of PAHs increased in the majority of samples indicating possible reversed biotransformation of these compounds. Pracoviště Mikrobiologický ústav Kontakt Eliška Spurná, eliska.spurna@biomed.cas.cz, Tel.: 241 062 231 Rok sběru 2016
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