无氧消化过程中西普罗夫洛克萨的生物转化:主要转化产品的阐明和环境蛋白质组学
Alba Trueba-Santiso1, Matías Rivadulla1, Oriol Casabella-Font2
1CRETUS, Department of Chemical Engineering, Universidade de Santiago de Compostela, Santiago de Compostela, Galicia 15782, Spain.
Journal of hazardous materials
|July 9, 2025
概括
无氧膜生物反应器通过吸附和生物转化有效地从废水中去除酸 (CIP). 甲生成活性保持稳定,特定的酶在抗生素降解中发挥关键作用.
科学领域:
- 环境科学 环境科学
- 微生物学 微生物学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 厌氧膜生物反应器 (AnMBR) 提供节能废水处理.
- 高强度污水,如黑水 (BW),含有缩的微污染物,如西普洛素 (CIP).
- 在AnMBR中CIP的命运尚不清楚,需要进一步调查.
研究的目的:
- 在AnMBR条件下研究CIP的去除机制和生物转化.
- 在无氧消化过程中识别CIP的转化产品 (TP).
- 用蛋白质组学来评估CIP对甲原活性和微生物群体的影响.
主要方法:
- 进行了26个批次实验,使用AnMBR污泥食挥发性脂肪酸 (VFA) 并加上不同的CIP度.
- 使用蛋白质组学分析了CIP去除,转化产品 (TP) 和微生物社区反应.
- 进行了无生物控制,以区分生物和无生物去除过程.
主要成果:
- 在所有实验中,CIP去除率超过88%,主要由吸附驱动.
- 生物转化发生在较低的CIP度 (0.1和0.5毫克/升),产生6个TP,包括化产品和环环损失.
- 甲原活性基本上不受影响,甲诺和甲沙占主导地位,除了2 mg/L CIP,这表明了抑制值.
结论:
- AnMBR显示出CIP从高负载废水中去除的巨大潜力.
- 吸附是主要的去除机制,但在较低度下,生物转化有显著的贡献.
- 脱酶在CIP的无氧生物转化中发挥着至关重要的作用.
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