Pollution Research Paper

Vol 33, Issue 03, 2014 ; Page No.(505-510 )

CHROMIUM (VI) REMOVAL FROM TANNERY INDUSTRY WASTEWATER USING FUNGI SPECIES

D. SHANKAR1, D. SIVAKUMAR2 AND R. YUVASHREE

Abstract

The present study focused to isolate the different fungi species from soil samples of tannery industry wastewater contaminated site, located in Nagalkeni, Chennai were used for reducing the Cr (VI) in a tannery industry wastewater of Nagalkeni, Chennai. The experiments were conducted against the effect of pH, fungi biomass and different Cr (VI) concentration (different dilution ratio) to know the effectiveness of fungi for removing Cr (VI) ions from tannery industry wastewater. The results showed that the order of maximum removal of Cr (VI) by the fungi at an optimum pH of 3, an optimum fungi biomass of 6g and an optimum dilution ratio of 3 was Aspergillus niger > Aspergillus fumigates > Aspergillus flavus. Furthermore, the maximum removal of Cr(VI) ions from the tannery industry wastewater was achieved by Aspergillus niger than other Aspergillus fungi species. The values of an experimental investigation on removal of Cr(VI) in a tannery industry wastewater is validated with an aqueoussolution and the results of validated experiments showed that the experimental investigation done for this study may be reproduced for removing the Cr (VI) from any industrial wastewater environment.

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