A survey of microbial contamination in aviation fuel from aircraft fuel tanks
Jazyk angličtina Země Spojené státy americké Médium print-electronic
Typ dokumentu časopisecké články
Grantová podpora
51678551
National Natural Science Foundation of China
2017YFE0107300
National Key R&D Program of China
3502Z20171003
Xiamen Major Science and Technology Project
PubMed
31392506
DOI
10.1007/s12223-019-00744-w
PII: 10.1007/s12223-019-00744-w
Knihovny.cz E-zdroje
- MeSH
- Bacteria klasifikace genetika růst a vývoj izolace a purifikace MeSH
- benzin analýza mikrobiologie MeSH
- fylogeneze MeSH
- houby klasifikace genetika růst a vývoj izolace a purifikace MeSH
- letadla MeSH
- Publikační typ
- časopisecké články MeSH
- Názvy látek
- benzin MeSH
Microbial contamination poses a great threat to aviation system security through mechanisms such as microbiologically influenced corrosion (MIC), fuel filter clogging, and fuel deterioration. In this study, a survey of microbial contamination in aviation fuel obtained from aircraft fuel tanks was performed to test the relationship between microbial contamination and aircraft service life. The contaminating microorganisms were counted, isolated, identified, and subjected to preliminary characterization. A low risk of microbial contamination in the selected samples was confirmed, and there was no significant difference in the counts between culturable bacteria and fungi (p > 0.05). Phylogenetic analysis tree indicated that the diversity of culturable microorganisms was rather low, with 17 bacterial isolates belonging to 13 genera and 12 fungal isolates belonging to 5 genera. No yeast was isolated. The growth characteristics of these isolates indicated that the aircraft fuel tanks harbored various microorganisms that were able to utilize the aviation fuel as a source of carbon and energy. Meanwhile, some isolates caused emulsification and produced acid. The conclusions of this study were that various hazardous microorganisms can root in aircraft aviation fuel tanks. There was no relationship between microbial contamination and aircraft service life (p > 0.05), and continuous good maintenance suppressed microbial proliferation.
Liaoning Shihua University Liaoning 113001 People's Republic of China
University of Chinese Academy of Sciences Beijing 100049 People's Republic of China
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