tailieunhanh - Bioremediation of reactive blue 19 and reactive black 5 from aqueous solution by using fungi Aspergillus niger

This study was aimed to investigate the potential of single culture of fungi Aspergillus niger, to decolorize reactive dyes from synthetic solution. Different parameters such as pH, time, temperature, agitation rate and various carbon, nitrogen and inorganic salts source, were optimized for decolorization of reactive blue 19 and reactive black 5 dyes. Aspergillus niger showed maximum dye decolorization under optimum condition and found to be more efficient when added in the dye solution of pH 8 and 10 with agitation at 130 rpm and incubation time for 7 days with 25°C. The results clearly showed that additional nutrient sources are effective in increasing dye decolorization rate. Fouriertransform infrared spectroscopy (FT-IR) investigated dyes before and after adsorption and data of the IR spectrum confirmed the presence of some functional groups in the dyes. The culture conditions were considerably optimized using Plackett-Burman statistical experimental designs. This study has confirmed that the potential Aspergillus niger in the decolorization of dyes and opened scope for the future analysis of their performance in the treatment of textile dyes. | Bioremediation of reactive blue 19 and reactive black 5 from aqueous solution by using fungi Aspergillus niger

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