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| Isolation of De-Colourizing Bacteria for Bioremediation of Waste-Water From Textile Industry
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Musa Ahmed Abubakar and Shehu Adamu, Junaidu Umar Garba
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Abstract:
Textile industries are well-characterized for consuming large quantities of water, energy, and discharging high volumes of waste into public sewage treatment plants. The present study was carried out with the aim to isolate and use bacteria for decolourization of textile effluents. Bacteria were isolated from wastewater sample collected in July, 2023 from one of the textile industries in Kano, Nigeria. Twenty (20) different colonies of bacteria grown on nutrient agar were tested for their ability to grow on wastewater agar prepared using textile wastewater as the only carbon source. However, only four (4) isolates with identification codes; 3, 14, 18 and 20 were found to have the ability to grow on the wastewater agar and thus; were used for the treatment in the research. Consortium of all the isolates was also included in the treatment in order to determine their synergistic performance and the highest percentage color removal was 85.83% achieved using consortium. Physicochemical parameters such as pH, chemical oxygen demand (COD), total suspended solids (TSS), and ammonical-nitrogen concentration of the textile wastewater sample were determined both before and after the treatments. The results revealed a significant decolourization in the treatment samples incubated anaerobically without shaking. Therefore, the bacteria strains isolated have potential applications for bioremediation of textile effluent and could be used in bioreactors to treat waste water streams.
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