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Original Research Articles                      Volume : 14, Issue:12, December, 2025

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com /
submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2025.14(12): 145-165
DOI: https://doi.org/10.20546/ijcmas.2025.1412.016


Exploring Bioremediation Approach on Removal of Hexavalent Chromium (Cr6+) in Synthetic Medium using Active and Inactive Fungal Bioadsorbents
V. Suruthi1, S. Rajakumar2 and Ayyasamy Pudukkadu Munusamy1*
1Department of Microbiology, Periyar University, Salem – 636011, Tamil Nadu, India 2Department of Marine Biotechnology, Bharathidasan University, Tiruchirappalli – 620024, Tamil Nadu, India
*Corresponding author
Abstract:

Removal of hexavalent chromium was studied in an aqueous medium using fungal biomass as bioadsorbents. Aspergillus flavus (S12) was used to investigate the removal of hexavalent chromium in aqueous medium. The present study has been focused on the removal of hexavalent chromium(VI) using a fungal biomass as adsorbents for both active and inactive biomass conditions. For optimization, varying batch study was carried out with varying inoculum (0.5, 1, 1.5, 2 and 2.5%), pH (3, 5, 7, 9 and 11) and temperature (25, 30, 35, 40 and 45°C). In-situ, lab scale column studies were approached for the removal of chromium. Cr(VI) removal rate was attained in aqueous medium using active biomass which was 89.67% and inactive biomass showed 94.55% using. The optimum inoculum for active biomass is 1.5%, inactive biomass is 0.5%, the optimum pH for both active and inactive biomass is 3.0, the optimum temperature is 35°C. The characterization of fungal biomass using SEM-EDX analysis confirmed the removal of Cr((VI) in aqueous medium. FTIR analysis showed that amine, alcohol, alkene and carbon dioxide represent the before and after treatment chromium(VI) in active and inactive fungal biomass (adsorbents).


Keywords: Hexavalent chromium (VI), fungal biomass, optimization, aqueous medium and bioremediation


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How to cite this article:

Suruthi V., Rajakumar S. and Ayyasamy Pudukkadu Munusamy. 2025. Exploring Bioremediation Approach on Removal of Hexavalent Chromium (Cr6+) in Synthetic Medium using Active and Inactive Fungal Bioadsorbents.Int.J.Curr.Microbiol.App.Sci. 14(12): 145-165. doi: https://doi.org/10.20546/ijcmas.2025.1412.016
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