ORIGINAL RESEARCH
Bioaccumulation of Cr(VI) Ions from Aqueos
Solutions by Aspergillus niger
Anna Hołda, Ewa Kisielowska, Tomasz Niedoba
University of Science and Technology, Faculty of Mining and Geoengineering, KPKiOŚ,
Mickiewicza 30, 30-059 Kraków, Poland
Mickiewicza 30, 30-059 Kraków, Poland
Pol. J. Environ. Stud. 2011;20(2):345-349
KEYWORDS
ABSTRACT
Our paper presents biological Cr(VI) removal from water solution by applying a clean fungi culture,
namely Aspergillus niger. The growth of the organism and removal of chromium(VI) were done in water
solution of various chromium(VI) contents and at optimal pH value. During 14 days of incubation, samples
of 5 ml each were collected daily to determinate chromium(VI) contents in solution. Then the efficiency of
this biological removal was also specified. The Cr(VI) removal process may occur via reduction, biosorption,
or bioaccumulation pathways. To determine which pathway may be used in the study the Cr(III) contents
were also determined in the samples as well chromium contents in ooze after mycelium irrigating and
in mycelium.
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| eISSN: | 2083-5906 |
| ISSN: | 1230-1485 |
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