Eco-friendly biological degradation and detoxification of congo red dye indigoes monospecies and mixed culture of bacterial strains isolated from textile industrial effluents | ||||
| Egyptian Journal of Chemistry | ||||
| Volume 67, Issue 1, January 2024, Page 395-409 PDF (735.92 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejchem.2023.213881.8035 | ||||
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| Authors | ||||
Bahaa A. Hemdan  ; Mohamed Saad Hellal ; Mohamed Azab El-Liethy ; Enas M. Abou-Taleb; Kholod H. Kamal; Gamila E. El-Taweel
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| Water Pollution Research Department, National Research Centre, 33 El Buhouth St, Dokki, 12622Giza, Egypt. | ||||
| Abstract | ||||
| The textile industry is known to generate significant amounts of wastewater that contain various pollutants, including dyes, which can be harmful to the environment and public health. Therefore, effectively treating textile industry wastewater (TIWW) is crucial to ensure the environment's safety and human health. In this study, a mixed bacterial strain (RKS9) was isolated from TIWW samples, which showed potential for the biodegradation of Congo red (CR) dye. The bacterial isolates decolorized 99% of Congo red dye (60 mg/L) at 7.5 pH within 12 h from the salt broth solution, indicating their effectiveness in degrading the CR dye. Using bacterial consortia for the bioremediation of CR contamination is a promising approach, as it can effectively reduce pollution parameters. However, selecting bacterial strains and optimizing growth conditions are crucial to ensure the successful bioremediation of contaminants. Additionally, the bacterial consortium must be protected from toxic environments to ensure its effectiveness. Further research is needed to fully understand the potential of bacterial consortia in the bioremediation of CR and other contaminants. This will help develop effective and sustainable strategies for treating TIWW and other industrial wastewater. | ||||
| Keywords | ||||
| Textile waste; congo red; decolorization; dyes degraders; COD | ||||
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