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Biodegradation of Azo Dye Disperse Orange S‐RL by a Newly Isolated Strain Acinetobacter sp. SRL8
The strain SRL8, which could decolorize the azo dye disperse orange S‐RL (S‐RL), was first isolated from sludge and identified as Acinetobacter sp. through physiobiochemical identification and 16S rRNA gene sequences. The effects of temperature, pH, dye concentration, O2, and glucose concentration on S‐RL decolorization by the strain SRL8 were studied. The optimal conditions were 30 °C, pH 7.0, 4g·L−1 of inoculation (wet cells), and microaerophilic incubation. The decolorization percentage for S‐RL by the strain SRL8 could reach 90.2% under optimal conditions. The strain SRL8 was highly tolerant to the azo dye SRL up to 300 mg·L−1 and it had a broad decolorizing spectrum. According to the Monod equation, kinetic parameters of decolorization by SRL8 were calculated. The vmax and Km were 5.57 × 10−3 h−1 and 14.53 mg·L−1, respectively.
Biodegradation of Azo Dye Disperse Orange S‐RL by a Newly Isolated Strain Acinetobacter sp. SRL8
The strain SRL8, which could decolorize the azo dye disperse orange S‐RL (S‐RL), was first isolated from sludge and identified as Acinetobacter sp. through physiobiochemical identification and 16S rRNA gene sequences. The effects of temperature, pH, dye concentration, O2, and glucose concentration on S‐RL decolorization by the strain SRL8 were studied. The optimal conditions were 30 °C, pH 7.0, 4g·L−1 of inoculation (wet cells), and microaerophilic incubation. The decolorization percentage for S‐RL by the strain SRL8 could reach 90.2% under optimal conditions. The strain SRL8 was highly tolerant to the azo dye SRL up to 300 mg·L−1 and it had a broad decolorizing spectrum. According to the Monod equation, kinetic parameters of decolorization by SRL8 were calculated. The vmax and Km were 5.57 × 10−3 h−1 and 14.53 mg·L−1, respectively.
Biodegradation of Azo Dye Disperse Orange S‐RL by a Newly Isolated Strain Acinetobacter sp. SRL8
Cai, Zhiqiang (author) / Zhang, Wenjie (author) / Ma, Jiangtao (author) / Cai, Jinyan (author) / Li, Shanshan (author) / Zhu, Xiaolin (author) / Yang, Guanghua (author) / Zhao, Xiyue (author)
Water Environment Research ; 87 ; 516-523
2015-06-01
8 pages
Article (Journal)
Electronic Resource
English
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