Journal
ENVIRONMENTAL TECHNOLOGY
Volume 42, Issue 27, Pages 4279-4285Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/09593330.2020.1754472
Keywords
Biodegradation; tetracycline; Plackett-Burman design; Box-Behnken design; response surface methodology
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Funding
- Natural Science Foundation of Fujian Province [2011J01150]
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The study aimed to enhance tetracycline degradation efficiency by Trichosporon mycotoxinivorans XPY-10 using statistical experimental designs. The maximum tetracycline degradation efficiency of 95.18% was achieved under optimized conditions. This provides theoretical support for remediating tetracycline-contaminated environments.
The objective of the study was to improve tetracycline degradation efficiency by Trichosporon mycotoxinivorans XPY-10 using statistical experimental designs. Different culture conditions (FeSO4, pH and glucose) were optimized for tetracycline biodegradation and the mutual interactions between these three variables were analysed using Box-Behnken design (BBD) and response surface methodology (RSM). The results showed that the empirical model was suitable for experimental data, and the maximum tetracycline degradation efficiency by XPY-10 was 95.18% under the optimum conditions of 0.02% of FeSO4, pH 7.83 and 0.28% of glucose, which was further verified by experiments. This study indicated the excellent ability of XPY-10 in degrading tetracycline and theoretical support for the follow-up practice to remediate tetracycline contaminated environment.
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