环境培养的有氧颗粒污泥比实验室培养的颗粒更完整地进行制药生物降解和废水处理
Kylie B Bodle1,2, Catherine M Kirkland1,2
1Department of Civil Engineering, 205 Cobleigh Hall, Montana State University, Bozeman, MT, USA.
International biodeterioration & biodegradation
|April 17, 2025
概括
生态生长的有氧颗粒污泥 (AGS) 有效地去除了制药品,使得gemfibrozil完全生物降解. 这突显了与实验室培养的药物治疗替代品相比,现实世界AGS的优越弹性和微生物多样性.
科学领域:
- 环境科学 环境科学
- 微生物学 微生物学
- 废水处理工程 废水处理工程
背景情况:
- 药品去除研究经常使用实验室培养的有氧颗粒污泥 (AGS),这可能与现实世界AGS有很大的不同.
- 了解环境来源的AGS的性能对于有效的制药废水处理至关重要.
研究的目的:
- 评估生态生长的AGS的药物清除能力.
- 为了比较环境中生长的AGS与实验室中生长的AGS在药品存在时的性能.
- 确定负责AGS中制药降解的微生物群落.
主要方法:
- 在环境中种植的有氧颗粒污泥 (AGS) 被暴露在凝纤维素,二二和红色素 (60微克/升) 的混合物中,持续70天.
- 监测了废水处理效率,颗粒特性和制药命运.
- 进行了微生物社区分析,以确定潜在的制药降解剂.
主要成果:
- 在环境中种植的AGS表现出物理稳定性,并保持了完全的酸盐去除.
- 移除的过程基本上没有受到影响,只有暂时抑制氨氧化 (35%).
- 获得了完全生物降解的gemfibrozil,而二甲和红红的去除率仍然低于10%.
- 特定的细菌家族 (J111,Xanthomonadaceae,OLB5,Weeksellaceae) 被确定为主要的制药降解剂.
结论:
- 与实验室种植的AGS相比,在环境中种植的AGS表现出优越的弹性和药物清除能力.
- 现实世界AGS中的独特微生物群落对于提高性能和弹性至关重要.
- 实验室培养的AGS可能无法准确地代表环境来源的AGS用于制药处理的功能能力.
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