Copper sorption by native and modified pellets of wood-rotting basidiomycetes.
OBJECTIVE
The aim of this study was to investigate the biosorption of copper to the pellets of different wood-rotting fungal species.


RESULTS
Copper sorption was studied in both batch and column arrangements. The optimum pH for copper sorption was between 3.5 and 4. In 100 mg l(-1) Cu (II), maximum qe values were found for Oudemansiella mucida (8.77 mg g(-1) dry wt), Lepista nuda (6.29 mg g(-1)), Pycnoporus cinnabarinus (5.08 mg g(-1)) and Pleurotus ostreatus (4.77 mg g(-1)). Both biomass yield and specific sorption were influenced by the composition of the fermentation broth. The results of column experiments showed that mycelial pellets of wood-rotting fungi can be considered as promising biosorbent material.


CONCLUSIONS
Pellets of wood-rotting fungi showed the same or better copper sorption properties as those previously reported for lower fungi or filamentous bacteria, as well as good mechanical properties.
Gabriel
J
J
Institute of Microbiology AS CR, Vídeñská, Prague, Czech Republic.
Baldrian
P
P
Hladíková
K
K
Háková
M
M
D001487:Basidiomycota / Q000187:drug effects / Q000378:metabolism*; D002473:Cell Wall / Q000378:metabolism; D003300:Copper / Q000378:metabolism*; D003470:Culture Media / Q000494:pharmacology; D006863:Hydrogen-Ion Concentration; D016060:Sorption Detoxification / Q000379:methods*
D003470:Culture Media; D003300:Copper