Screening and Optimization of Environmental Parameters for Maximum Decolorization of Reactive Orange 122 Azo- dye by Streptomyces sp (A5)
O., A., El Awady, M., Mohamed, G., El-Shall, F., Hassan, M. (2021). Screening and Optimization of Environmental Parameters for Maximum Decolorization of Reactive Orange 122 Azo- dye by Streptomyces sp (A5). EKB Journal Management System, 13(1), 49-60. doi: 10.21608/eajbsg.2021.176116
Abdel-Monem M. O.; Mohamed E. El Awady; Ghada E. Mohamed; Fatma N. El-Shall; Mervat G. Hassan. "Screening and Optimization of Environmental Parameters for Maximum Decolorization of Reactive Orange 122 Azo- dye by Streptomyces sp (A5)". EKB Journal Management System, 13, 1, 2021, 49-60. doi: 10.21608/eajbsg.2021.176116
O., A., El Awady, M., Mohamed, G., El-Shall, F., Hassan, M. (2021). 'Screening and Optimization of Environmental Parameters for Maximum Decolorization of Reactive Orange 122 Azo- dye by Streptomyces sp (A5)', EKB Journal Management System, 13(1), pp. 49-60. doi: 10.21608/eajbsg.2021.176116
O., A., El Awady, M., Mohamed, G., El-Shall, F., Hassan, M. Screening and Optimization of Environmental Parameters for Maximum Decolorization of Reactive Orange 122 Azo- dye by Streptomyces sp (A5). EKB Journal Management System, 2021; 13(1): 49-60. doi: 10.21608/eajbsg.2021.176116

Screening and Optimization of Environmental Parameters for Maximum Decolorization of Reactive Orange 122 Azo- dye by Streptomyces sp (A5)

Egyptian Academic Journal of Biological Sciences, G. Microbiology
Article 5, Volume 13, Issue 1, June 2021, Page 49-60  XML PDF (638.85 K)
Document Type: Original Article
DOI: 10.21608/eajbsg.2021.176116
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Authors
Abdel-Monem M. O.1; Mohamed E. El Awady2; Ghada E. Mohamed1; Fatma N. El-Shall3; Mervat G. Hassan1
1Botany and Microbiology Department, Faculty of Science, Benha University, Benha, 13518, Egypt
2Microbial Biotechnology Department, Division of Genetic Engineering and Biotechnology Research Division, National Research Centre, El-Buhouth St. 33, Dokki-Cairo 12622, Egypt
3Dyeing, Printing and Textile Auxiliary Department, Textile Research Division, National Research Centre, El-Buhouth St. 33, Dokki-Cairo 12622, Egypt.
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.
Keywords
Streptomyces; Reactive Orange 122; Decolorization; Azo dye; textile dye
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