利用小球藻 UTEX1602 和 L38 研究氟苯尼考的可生物降解性及其机制：实验研究。
Biodegradability and mechanism of florfenicol via Chlorella sp. UTEX1602 and L38: Experimental study.
机构信息
Tianjin Key Laboratory of Indoor Air Environmental Quality Control, School of Environmental Science and Technology, Tianjin University, 92 Weijin Road, Nankai District, Tianjin, China; Key Laboratory of Efficient Utilization of Low and Medium Grade Energy (Tianjin University), Ministry of Education, Tianjin 300072, China.
Tianjin Key Laboratory of Indoor Air Environmental Quality Control, School of Environmental Science and Technology, Tianjin University, 92 Weijin Road, Nankai District, Tianjin, China.
出版信息
Bioresour Technol. 2019 Jan;272:529-534. doi: 10.1016/j.biortech.2018.10.080. Epub 2018 Oct 30.
In this work, florfenicol removal via two kinds Chlorella sp. (UTEX1602 and L38) was investigated. The experimental results indicated that FF could be removed by biodegradation associated with microalgae growth. Compared to Chlorella sp. UTEX1602, L38 had a good self-adjustment capacity at the condition of high initial FF concentration. The biodegradation of FF followed the first order kinetic model with half-lives ranged from 3.53 to 7.63 days at different initial concentration. The removal efficiency of FF could achieve 97% when the FF concentration was set at 46 mg·L. While the FF concentration in the medium increased to 159 mg·L, more than 74% FF could still be purified via Chlorella sp. L38. Therefore, Chlorella sp. L38 could be promising alternative algae to be used for FF removal from different water sources.
本工作研究了两种小球藻（UTEX1602 和 L38）对氟苯尼考的去除效果。实验结果表明，FF 可通过与微藻生长相关的生物降解去除。与小球藻 UTEX1602 相比，L38 在高初始 FF 浓度条件下具有良好的自我调节能力。FF 的生物降解符合一级动力学模型，不同初始浓度下的半衰期范围为 3.53 至 7.63 天。当 FF 浓度设定为 46mg·L 时，FF 的去除效率可达 97%。而当培养基中的 FF 浓度增加到 159mg·L 时，仍有超过 74%的 FF 可通过小球藻 L38 进行纯化。因此，小球藻 L38 有望成为替代藻类，用于从不同水源中去除 FF。
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