Bioremoval of arsenic (V) from aqueous solutions by chemically modified fungal biomass

被引：0
|
作者：
J. F. Cárdenas-González
I. Acosta-Rodríguez
Y. Téran-Figueroa
A. S. Rodríguez-Pérez
机构：
[1] Universidad Autónoma de San Luis Potosí,Laboratorio de Micología Experimental, Facultad de Ciencias Químicas
[2] Universidad Autónoma de San Luis Potosí,Laboratorio de Microbiología, Parasitología y Toxicología de Alimentos, Facultad de Enfermería
来源：
3 Biotech | 2017年 / 7卷
关键词：
Biosorption; Arsenic (V); Fungal biomass; Bioremediation; Heavy metals and metalloids; Environmental pollution;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
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%, 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.
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