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Dr. Mervat Gameel Hassan :: Publications:

Title:
Screening and Optimization of Environmental Parameters for Maximum Decolorization of Reactive Orange 122 Azo- dye by Streptomyces sp (A5)
Authors: Abdel-Monem M.O. 1, Mohamed E. El Awady2, Ghada E. Mohamed1*, Fatma N. El-Shall3 and Mervat G. Hassan1
Year: 2022
Keywords: Streptomyces, Reactive Orange 122, Decolorization, Azo dye, textile dye
Journal: Egyptian Academic journal of biological science microbiology
Volume: 13
Issue: 1
Pages: 49-60
Publisher: Not Available
Local/International: Local
Paper Link: Not Available
Full paper Not Available
Supplementary materials Not Available
Abstract:

The aim of current study was to test the ability and optimize the decolorization of textile azo Reactive Orange 122 by Streptomyces sp (A5) isolated from dye contaminated soil. The decolorization ability of the isolate Streptomyces sp (A5) was assessed by spectrophotometer at 3, 5 and 7 days in starch nitrate broth media amended with 0.35 g/L of the Reactive Orange 122 azo dye. Different incubation conditions like concentration of the dye, temperature and pH were used in the present study to investigate their effect on the decolorization rate. The potential isolate Streptomyces sp (A5) exhibited significant decolorization ability at 5 days of incubation. The optimum conditions were found for degradation of Reactive Orange 122 azo dye by the isolate Streptomyces sp (A5). The maximum degradations were noticed at 0.3 g/L of dye concentration, 6 pH and 35 °C temperature, respectively. In conclusion, the results of the current study showed that the isolate Streptomyces sp (A5) was effectively degraded the textile dye Reactive Orange 122 azo dye under the optimized conditions.

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