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Aerobic Biodegradation of Mononitrotoluenes in Batch and Continuous Reactor Systems

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22330%2F05%3A00016332" target="_blank" >RIV/60461373:22330/05:00016332 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Aerobic Biodegradation of Mononitrotoluenes in Batch and Continuous Reactor Systems

  • Original language description

    Degradations of nitrotoluenes, individually and in a mixture, were carried out in batch and continuous aerobic reactors by a defined mixed microbial culture. The results demonstrated that all the three-mononitrotoluene isomers were degraded simultaneously and completely in presence of excess oxygen. The nitro group position on the benzene ring influenced the degradation rates of the individual MNT isomers in batch systems. In the continuous biofilm reactor with a sufficient biocatalyst quantity, qualityand excessive oxygen supply rate, the degradation rates of the mononitrotoluenes were almost identical as long as the compounds were present individually and their loading did not exceed the capacity of the catabolic master reaction. The microbial composition of the biofilm changed qualitatively and quantitatively during long-term continuous operation under aerobic non-aseptic conditions.

  • Czech name

    Aerobní degradace mononitrotoluenů v batch a kontinuálním uspořádání

  • Czech description

    Degradace jednotlivých MNT a jejich směsí byla prováděna v batch a kontinuálním uspořádání pomocí směsné mikrobní populace. Výsledky ukázaly, že všechny tři mononitrotolueny jsou degradovány v přítomnosti přebytku kyslíku zcela. Pozice nitroskupiny má vliv na míru degradace NT v batch systému zatím co v kontinuálním systému byla míra degradace všech NT téměř stejná pokud nebyla dosažena hranice katabolické aktivity biofilmu. Analýza složení biofilmu ukázala kvantitativní i kvalitativní změny v průběhu dlouhodobého sledování.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    EI - Biotechnology and bionics

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA104%2F04%2F0686" target="_blank" >GA104/04/0686: Microbial mineralization of nitrotoluenes in various reactor systems</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2005

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Soil & Sediments Contamination

  • ISSN

    1058-0383

  • e-ISSN

  • Volume of the periodical

  • Issue of the periodical within the volume

    14

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    16

  • Pages from-to

    261-279

  • UT code for WoS article

  • EID of the result in the Scopus database