HEXAVALENT CHROMIUM REMOVAL BY FUNGAL ADSORBENT, Aspergillus terricola | Journal of Global Ecology

The environmental discharge of hexavalent chromium, Cr (VI), as a result of industrial activity poses a concern to human health and the ecology. Using fungal biomass to remove Cr (VI) is a promising and cost-effective approach. The potential of Aspergillus terricola as a biosorbent for eliminating Cr (VI) from aqueous solution was investigated in this work. The addition of 1.5 mg/l Cr (VI) enhanced the growth of Aspergillus terricola, and the MIC was determined to be 9 mg/l in liquid media. After 6 days, the highest growth of the tested organism was at pH 3 in the presence of 1.5 mg/l Cr (VI) in the growth medium. Using Aspergillus terricola biomass in aqueous solution to optimise biosorption process parameters, it was discovered that increasing Cr (VI) concentration decreases removal efficiency. After 4 days of contact time, 100% removal of 20 mg/l Cr (VI) was achieved. Furthermore, at pH 3, the greatest Cr (VI) elimination was achieved. Furthermore, as the mycelium concentration rises, the percentage of Cr removed gradually rises (VI). In conclusion, Aspergillus terricola was an effective candidate for hexavalent chromium biosorption and might be exploited in wastewater bioremediation.

Please see the link :- https://www.ikprress.org/index.php/JOGEE/article/view/7091