Arsenic (V); Bioremediation; Biosorption; Environmental pollution; Fungal biomass; Heavy metals and metalloids adsorbent; arsenic; biosorbent; iron oxide; unclassified drug; water; adsorption kinetics; Article; Aspergillus flavus; Aspergillus fumigatus; Aspergillus niger; atomic absorption spectrometry; bioremediation; biosorption; chemical modification; Cladosporium; concentration (parameters); controlled study; fungal biomass; heavy metal removal; incubation time; Mucor; nonhuman; Paecilomyces; priority journal; Rhizopus microsporus var. oligosporus; temperature
Bioremoval of arsenic (V) from aqueous solutions by chemically modified fungal biomass
The biosorption of arsenic (V) on nine chemically modified biomasses (with iron oxide coated) of mycelia fungi: Aspergillus flavus III, IV and V, Aspergillus fumigatus I–II, Paecilomyces sp., Cladosporium sp., Mucor sp-1 and 2 was studied in this work. This study provides evidence that the biomasses of the fungi A. flavus, IV, III and V, Paecilomyces sp., and A. fumigatus I were very efficient at removing 1 mg/L of the metal in solution, using atomic absorption spectroscopy (AAS), achieving the following percentage of removals: 97.1, 92.3, 90.3, 89.0, and 83.4%25, respectively. The results of adsorption were obtained at pH 6.0, 30 °C after 24 h of incubation, with 1 g/100 mL of fungal biomass. These results suggest the excellent potential of almost all isolated strains for bioremediation and removal of metals from contaminated sites. © 2017, Springer-Verlag GmbH Germany.
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