使用藻类-藻类联盟 (Chlorella protothecoides和Chlorella vulgaris) 清除抗生素
Luyanda L Ndlela1, Peter Schroeder2, Bettina Genthe1
1Natural Resources and the Environment Division, Council for Scientific and Industrial Research, Stellenbosch 7599, South Africa.
Toxics
|July 28, 2023
概括
藻类有效地从废水中清除了硫甲醇和奥洛素,显示了可持续处理抗生素残留的潜力. 这种物理补救方法对基础设施有限的发展中国家来说是有前途的.
科学领域:
- 环境科学 环境科学
- 生物技术是生物技术.
- 水处理 处理水的方法
背景情况:
- 抗生素残留物污染了水生系统,这是由于广泛使用和低效的传统废水处理.
- 传统方法无法去除新出现的污染物,如抗生素.
- 使用藻类进行生理疗法提供了一个可持续且具有成本效益的替代方案.
研究的目的:
- 评估藻类联盟 (Chlorella protothecoides和Chlorella vulgaris) 在废水中的特定抗生素的清除效率.
- 在模仿被动废水处理池的条件下评估藻类的生存能力.
- 为发展中国家探索创新的废水处理解决方案.
主要方法:
- 培养一种混合藻类联合体 (Chlorella protothecoides 和 Chlorella vulgaris).
- 藻类暴露于五种常见的抗生素 (硫甲醇,氨基西林,trimethoprim,ofloxacin,清素) 在环境相关的 (10ppb) 和更高的 (100ppb) 度.
- 监测抗生素去除和7天和10天的藻类活力.
主要成果:
- 在整个研究期间,藻类保持活力.
- 观察到硫甲醇 (高达77.3%) 和奥洛素 (高达55.1%) 的显著去除.
- 移除效率因抗生素度和暴露时间而异.
结论:
- 藻类处理 (植物疗法) 是一种可行且创新的方法,用于从废水中去除特定的抗生素残留物.
- 这种方法在资源有限的环境中具有可持续废水管理的巨大潜力.
- 进一步的研究可以优化藻类联盟,以更广泛地去除污染物.
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