Biological removal of Cr(VI) ions from aqueous solutions by trichoderma viride
 
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AGH University of Science and Technology
CORRESPONDING AUTHOR
Ewa Kisielowska   

AGH University of Science and Technology, Faculty of Mining and Geoengineering
Publication date: 2013-01-01
 
Physicochem. Probl. Miner. Process. 2013;49(1):47–60
 
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ABSTRACT
The paper presents biological removing of Cr(VI) ions from aqueous solution by applying autochtonic fungi seedling of Trichoderma viride originated from chromium mud samples. The growth of organism and removing of chromium(VI) was performed in aqueous solution of various chromium(VI) contents and at optimal value of pH. During 14 days of incubation, samples of 5 cm3 each were collected every day for determination of chromium(VI) in solution and the efficiency of biological removal was specified. Since removal of chromium(VI) from aqueous solution may occur because of reduction, bio- sorption or bioaccumulation processes, to determine which one occurred, the Cr(III) contents were deter- mined in samples of the medium as well in ooze after mycelium irrigating and in mycelium.
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