清污分流渠在珠海市黑臭水体整治中的应用
- Title:
- Application of Sewage Diversion Channel in the Treatment of Black and Odorous Water Body in Zhuhai
- 关键词:
- font-size: 10pt; ">黑臭水体; 清污分流; 初期雨水; 溢流污染
- Keywords:
- font-size: 10pt; ">black and odorous water; sewage separation; initial rainwater; overflow pollution
- 摘要:
-
珠海市一直重视排洪渠（河涌）的水环境整治提升工作，先后开展过包括各片区排洪渠的截污整治工程，通过清污分流、集中截流、涌边截流和局部排水改造等方式收集污水，但是截污效果不甚理想。对已实施的各种截污方式进行实地调查后发现，清污分流渠在南屏东排洪渠黑臭水体整治方面效果显著，能够充分实现合流制区域晴天污水全收集、全处理，雨天有效控制溢流污染的目标，同时避免引发内涝。通过对污染源的控制，后期辅以微生物修复、生态模拟、纳米曝气、水质提升等手段，共同对河道水体进行生态修复，基本实现了河涌水体的净化。
- Abstract:
-
As the local government of Zhuhai has always attached importance to the water environment improvement of flood drainage canals (river branches), sewage interception and regulation projects in various districts have been carried out. Although sewage was collected by means of sewage separation, centralized interception, branch interception and partial drainage transformation, the effect of sewage interception was not satisfactory.After field investigation of various sewage interception practices implemented, it is found that the sewage separation canal has remarkable effect on the regulation of black and odorous water in east Nanping flood drainage canal, which can fully realize the goal of collecting and treating all these wage from confluence system area in sunny days and effectively controlling overflow pollution in rainy days, as well as avoiding waterlogging at the same time. By controlling pollution sources, combined with microbial remediation, ecological simulation, nano- aeration, water quality improvement and other means, the ecological remediation of river water was carried out, and the purification of river water was basically realized.
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