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Efficiency of some bacteria to degrade direct Blue Dye in water | ||
| Jornal of Biotechnology Research Center | ||
| Article 1, Volume 7, Issue 1, 2013, Pages 37-43 | ||
| Authors | ||
| Khalid Falih Hassan; Shaima Fakhry Jasime | ||
| Abstract | ||
| Bacteria Bacillus sp., Lampropedia hyaline and Azotobacter chroococcum were used to degrade Direct Blue dye which is use in textile factories due of its toxic effect from water in concentrations (0.005, 0.01, 0.03) gmL in laboratory by measuring Absorbance (Abs), Transmition T% for 24 hr period treatment with bacterial growth density of (3500 cellml), (17500 cell5ml) and (175000 cell10ml) for each bacteria. Azotobacter and Bacillus showed high ability to reduce dye concentrations of 0.005 and 0.01 gmL by 50-80% and 30-60% in 24 hr treatment. While, Lampropedia showed less ability to reduce all dye concentrations by 2-20%. Bacillus and Azotobacter showed less ability to reduce concentration of 0.03 gmL by 20-50% and 15-40%. | ||
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