Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Bioreduction of Hexavalent Chromium by Live and Active Phanerochaete chrysosporium: Kinetics and Modeling
In this work the potential of live and active Phanerochaete chryosporium, a white rot fungi, to remove lower Cr(VI) concentration from aqueous solutions was reported for the first time. A medium pH had significant effect on the growth of the fungus and bioremoval of Cr(VI). Substrate inhibition on the growth of Phanerochaete chrysosporium was evident beyond 20 g L−1 of dextrose concentration. A maximum biomass concentration of 15.64 g L−1 was obtained for an initial dextrose concentration of 20 g L−1 in metal free medium at pH 6.0. An increase in Cr(VI) concentration beyond 10 mg L−1 inhibited the growth of the fungi, thereby, reducing the chromium bioremoval efficiency. A maximum reduction efficiency of 98.92% was reported for an initial metal concentration of 10 mg L−1. A mathematical expression for the bioreduction of Cr(VI) considering the organic compounds in the cells was proposed.
Bioreduction of Hexavalent Chromium by Live and Active Phanerochaete chrysosporium: Kinetics and Modeling
In this work the potential of live and active Phanerochaete chryosporium, a white rot fungi, to remove lower Cr(VI) concentration from aqueous solutions was reported for the first time. A medium pH had significant effect on the growth of the fungus and bioremoval of Cr(VI). Substrate inhibition on the growth of Phanerochaete chrysosporium was evident beyond 20 g L−1 of dextrose concentration. A maximum biomass concentration of 15.64 g L−1 was obtained for an initial dextrose concentration of 20 g L−1 in metal free medium at pH 6.0. An increase in Cr(VI) concentration beyond 10 mg L−1 inhibited the growth of the fungi, thereby, reducing the chromium bioremoval efficiency. A maximum reduction efficiency of 98.92% was reported for an initial metal concentration of 10 mg L−1. A mathematical expression for the bioreduction of Cr(VI) considering the organic compounds in the cells was proposed.
Bioreduction of Hexavalent Chromium by Live and Active Phanerochaete chrysosporium: Kinetics and Modeling
Murugavelh, Somasundaram (Autor:in) / Mohanty, Kaustubha (Autor:in)
CLEAN – Soil, Air, Water ; 40 ; 746-751
01.07.2012
6 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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