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The use of the fungus Dichomitus squalens for degradation in rotating biological contactor conditions
C. Novotný, N. Trošt, M. Šlušla, K. Svobodová, H. Mikesková, H. Válková, K. Malachová, A. Pavko
Jazyk angličtina Země Anglie, Velká Británie
Typ dokumentu časopisecké články, práce podpořená grantem
- MeSH
- barva MeSH
- barvicí látky izolace a purifikace metabolismus MeSH
- Basidiomycota metabolismus MeSH
- biodegradace MeSH
- bioreaktory mikrobiologie MeSH
- chemické látky znečišťující vodu izolace a purifikace metabolismus MeSH
- čištění vody metody MeSH
- naftalensulfonany izolace a purifikace metabolismus MeSH
- rotace MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
Biodegradation potential of Dichomitus squalens in biofilm cultures and rotating biological contactor (RBC) was investigated. The fungus formed thick biofilms on inert and lignocellulosic supports and exhibited stable activities of laccase and manganese peroxidase to reach 40-62 and 25-32% decolorization of anthraquinone Remazol Brilliant Blue R and heterocyclic phthalocyanine dyes, respectively. The decolorization ceased when glucose concentration dropped to 1 mmol l(-1). In RBC reactor, respective decolorizations of Remazol Brilliant Blue R and heterocyclic Methylene Blue and Azure B dyes (50 mg l(-1)) attained 99%, 93%, and 59% within 7, 40 and 200 h. The fungus exhibited tolerance to coliform and non-coliform bacteria on rich organic media, the inhibition occurred only on media containing tryptone and NaCl. The degradation efficiency in RBC reactor, capability to decolorize a wide range of dye structures and tolerance to bacterial stress make D. squalens an organism applicable to remediation of textile wastewaters.
Department of Biology and Ecology Faculty of Nature Science University of Ostrava Czech Republic
Faculty of Chemistry and Chemical Technology University of Ljubljana Ljubljana Slovenia
Citace poskytuje Crossref.org
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