TANGYing-dong,BAOHan,ZENGXue-yun,et al.Study on the “Sludge” Treatment Strategy for the Comprehensive Improvement of Water Environment in River Basin[J].China Water & Wastewater,2022,38(20):36-40.
流域水环境综合整治中“泥”的治理策略研究
- Title:
- Study on the “Sludge” Treatment Strategy for the Comprehensive Improvement of Water Environment in River Basin
- 摘要:
- 泥的治理是水环境综合整治的重要方面，其对象可包括河湖底泥、通沟污泥、污水处理厂污泥、化粪池粪渣和工程建设泥浆等。在茅洲河流域水环境治理中，创新采用“就地减量+二次处理+资源化利用”“六边工程”等工作模式，对泥分类清挖处置。重点针对河湖底泥、通沟污泥和工程建设泥浆，采用杂物分离、多级提砂、调理改性、板框压滤等工艺环保处置，并对产出物进行资源化利用，为流域尺度系统治泥提供了可借鉴的实践经验。
- Abstract:
- Sludge treatment is an important component of the water environment comprehensive improvement projects. The sludge here mainly involves river/lake sediment, sewer sludge, municipal sewage sludge, excrement dregs of septic tanks and slurry from construction projects. In the project of water environment comprehensive improvement in Maozhou River basin, the innovative pattern of “in-situ reduction + secondary treatment + resource utilization”and “six-party simultaneous project”work were adopted to sludge treatment. For the river/lake sediment, sewer sludge and slurry from construction projects, environmentally friendly treatment processes including debris separation, multi-stage sand extraction, sludge conditioning and plate-frame pressure filtration were applied to achieve resourceful utilization. The successful experience provides reference to similar projects at a river basin scale.
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