污水处理厂根据废水质量进行排名,使用多标准决策技术
1Civil Engineering Department, Harcourt Butler Technical University, Kanpur, 208002, UP, India. sudha.sharma1217@gmail.com.
Environmental monitoring and assessment
|March 12, 2025
概括
本研究使用一种新的方法对污水处理厂 (STP) 的性能进行排名,该方法将废水质量与监管标准结合起来. 使用氧化池的小型工厂和使用活性污泥工艺的大型工厂表现更好.
科学领域:
- 环境科学 环境科学
- 水质管理水质管理
- 环境工程 环境工程
背景情况:
- 由于多个标准,评估污水处理厂 (STP) 的性能是复杂的.
- 现有的研究往往侧重于单个植物,缺乏废水质量和接收水体影响之间的明确联系.
- 模拟优化模型对于理解水质的因果关系是复杂的.
研究的目的:
- 开发一个新的多标准决策 (MCDM) 框架来对STP绩效进行排名.
- 在单一的决策矩阵中,将废水质量数据与监管标准结合起来.
- 评估不同容量级别的100个STP的性能.
主要方法:
- 采用了一种经过修改的技术,即通过与理想解决方案相似的优先顺序 (TOPSIS) 的MCDM方法.
- 分析了十个废水质量标准 (BOD,COD,清除效率,TDS,TSS,大肠杆菌,酸盐,酸盐).
- 根据设计容量对STP进行分类:1-20 MLD,21-50 MLD,51-100 MLD和>100 MLD.
主要成果:
- 使用氧化池技术的小容量工厂 (1-20 MLD) 有效执行.
- 容量较大的工厂 (>100 MLD) 使用激活泥工艺技术表现更好.
- 最好的小型工厂是Burhi ka Nagla (阿格拉),最好的大型工厂是在泰米尔纳德邦的马杜莱.
结论:
- 修改后的TOPSIS方法通过整合废水质量和监管标准,有效地对STP进行排名.
- 氧化池对于小型STP是有效的,而激活泥过程对大型STP更好.
- 这些发现将有助于污染控制机构制定水质管理计划.
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