湖泊和污水接收水体的泡控制:采用分散的直线水处理设计的先发制人的方法
Reshmi Das1, Chanakya Hn1, Lakshminarayana Rao1
1Centre for Sustainable Technologies, Indian Institute of Science, Bengaluru, 560012, India.
Environmental pollution (Barking, Essex : 1987)
|February 23, 2024
概括
由污水引起的持续的湖可以用一种新的直线通风系统来处理. 这种创新方法可以显著减少表面活性剂,防止泡并恢复水质.
科学领域:
- 环境科学 环境科学
- 水处理工程水处理工程
- 环境化学环境化学
背景情况:
- 全球各地的地表水体都因表面活性剂含量的未经处理的污水造成的持续泡而受到影响.
- 印度班加罗尔的贝兰杜尔湖自2005年以来经历了严重的泡,原因是每天有2.58亿升不充分处理的污水涌入.
- 高水平的表面活性剂 (高达17.8±1 ppm) 和湖泊入口的无氧条件有助于这个问题.
研究的目的:
- 为了调查贝兰杜尔湖 (Bellandur Lake) 持续泡的原因.
- 为了评估受控空气对表面活性剂降解的有效性.
- 设计和模拟内置废水处理系统,以减轻湖泊泡.
主要方法:
- 贝兰杜尔湖一年的水质监测.贝兰杜尔湖.
- 对表面活性剂降解的受控通风进行实验室实验.
- 使用BioWin软件设计和模拟内置废水处理系统.
主要成果:
- 在30小时内,在3.5 ppm溶解氧气下,通过受控的通风实现了90%以上的表面活性剂降解.
- 模拟表明,循环回收污泥将处理时间缩短到20小时.
- 预计拟议的直线系统将使接收水体的表面活性剂水平降低到1ppm以下.
结论:
- 带有控制通风的内置废水处理系统是管理表面活性剂污染和湖泊泡的可行解决方案.
- 拟议的系统以循环污泥进行优化,为废水处理提供了一种高效有效的方法.
- 这种整体方法为解决其他受影响水体中与泡有关的挑战提供了蓝图.
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