通过使用不同的消毒剂在池水中进行细菌无活化研究
Ranjit Kumar Nadella1, Satyen Kumar Panda2, Devananda Uchoi1
1ICAR-Central Institute of Fisheries Technology (ICAR-CIFT), Willingdon Island, Matsyapuri P.O, Cochin, Kerala 682029, India.
Journal of AOAC International
|September 18, 2024
概括
芬顿的试剂有效地使水产养殖水中的抗生素耐药细菌失活,为减轻环境污染提供了可行的解决方案. 这项研究表明,化学消毒是提高养殖安全性的关键策略.
科学领域:
- 环境微生物学 环境微生物学
- 水生微生物生态学
- 水处理技术水处理技术
背景情况:
- 水产养殖废水是采集期间抗生素耐药细菌 (ARB) 传播的重要途径.
- 减轻排放对于防止下游环境污染至关重要.
- 化学消毒为水产养殖环境中的细菌失活提供了一个可行的方法.
研究的目的:
- 为了评估,芬顿试剂和过氧化 (H2O2) 在池水中的禁活细菌中的有效性.
- 确定最佳度和治疗持续时间,以有效减少细菌.
主要方法:
- 用不同度的 (1.010.0 mg/L),芬顿试剂 (Fe2+:H2O2比率从1:10到5:50毫米) 和H2O2 (2050毫米) 处理水样.
- 治疗持续时间从5到60分钟不等.
- 通过测量总异质型细菌和四环素耐药细菌 (TRB) 的减少来评估细菌不活化.
主要成果:
- 所有测试的消毒剂都减少了总异质型细菌和TRB的数量,同时增加了度和时间.
- 60分钟后,Fenton的试剂在2mM Fe2+ + 20mM H2O2下实现了总异质型细菌 (2.65 Log10 CFU/mL) 和TRB (1.66 Log10 CFU/mL) 的最大减少.
- (2.5毫克Cl2/L) 和H2O2 (50毫米) 也表明显著的细菌不活化.
结论:
- 消毒剂在水产养殖排水中的ARB无活化方面是有效的.
- 芬顿的试剂在减少异构菌和四环素耐药细菌方面被证明是测试剂中最有效的.
- 化学消毒为减轻水产养殖业务中ARB传播提供了一种实际方法.
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