调查饮用水源的味道和气味特征:一项为期3年的综合性监测研究
Zuhal Zengin1, Latife Köker1, Emine Gözde Ozbayram1
1Department of Marine and Freshwater Resources Management, Faculty of Aquatic Sciences, lstanbul University, Fatih, Istanbul, Türkiye.
Environmental management
|October 24, 2024
概括
监测饮用水质量至关重要. 这项研究研究了诸如地质胺和2 - 甲基异玻利 (2-MIB) 这样的味道和气味化合物,发现温度和深度会影响细菌产生的产物.
科学领域:
- 环境科学 环境科学
- 微生物学 微生物学
- 公共卫生 公共卫生
背景情况:
- 饮用水质量监测对于公众健康至关重要.
- 味道和气味 (T&O) 事件,由诸如地质胺和2 - 甲基异玻利 (2-MIB) 等化合物引起,侵蚀了公众对水质的信任.
- 了解T&O化合物生产的动态对于管理饮用水源至关重要.
研究的目的:
- 为了监测一个重要的饮用水源的水质.
- 调查地质和2-MIB的生产动态,这是T&O问题的主要原因.
- 确定负责生产和降解这些T&O化合物的微生物群落.
主要方法:
- 评估了湖泊的热带状态.
- 物理化学参数,温度和深度与地质胺和2-MIB度相关.
- 气色谱-质谱法 (GC-MS) 用于化合物定量.
- 聚合酶连锁反应 (PCR) 和元编码识别了微生物群落 (蓝菌,动菌等).
主要成果:
- 该湖的热带状态被归类为中热带.
- 2-MIB度与温度正相关,而地质素与深度正相关.
- 这两种化合物的度峰值发生在热分层时期.
- 特定的细菌属 (如Planktothrix,Streptomyces) 被确定为潜在的生产者,而其他细菌 (如Micrococcus,Pseudomonas) 被确定为潜在的破坏者.
结论:
- 本土的细菌群体在饮用水源的T&O动态中发挥着重要作用.
- 温度和热分层是影响地球和2-MIB生产的关键环境因素.
- 对T&O事件的有效管理策略需要了解微生物生态学和临床条件.
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