YUXin,WANGQi,GONGDao-xiao,et al.Pollutant Source Control Strategy of Black and Odorous Water Body in the High-density Urban Villages[J].China Water & Wastewater,2022,38(12):83-87.
高密度城中村的黑臭水体控源截污策略
- Title:
- Pollutant Source Control Strategy of Black and Odorous Water Body in the High-density Urban Villages
- 摘要:
- “十三五”期间，我国城市按照“控源截污、内源治理、生态修复、活水保质”的技术思路大力推动城市黑臭水体整治，取得了显著成绩。然而，城中村黑臭水体的控源截污受用地条件、建设时序、管理水平等多重因素制约，成为当前城市水环境治理的一大难题。高密度城中村普遍具有排水基础设施不完善、水体岸线土地空间受限、区域城市管理力度薄弱等特点，在条件可行的情况下，应优先选择岸边埋管方式，将污水送至污水处理厂集中处理；当条件受限时，应因地制宜选择其他污水收集处理方式。桂林市对城中村的灵剑溪、清风沟开展控源截污时，针对不同河段灵活采用了埋管、沿河架管、临时挂管、化粪桶定时抽吸转运等污水收集模式，有效削减了入河污染负荷，可为在高密度城中村开展水体控源截污提供处理模式和技术选择参考。
- Abstract:
- During the 13th Five-Year Plan period, Chinese cities have promoted the remediation of urban black and odorous water bodies, in accordance with the idea of “pollutant source control, internal source treatment, ecological restoration and flowing water quality assurance” and achieved remarkable achievements. However, pollutant source control of black and odorous water bodies in urban villages is restricted by multiple factors, such as land use conditions, construction sequence and management level, which has become a major problem in the treatment of urban water environment. High-density urban villages generally have the characteristics of undeveloped drainage infrastructure, limited shoreline land space, poor urban management and so on. Burying pipes along the shoreside and transporting wastewater to the treatment plant should be priority when feasible. Otherwise, other sewage collection and treatment methods should be selected according to local limited conditions. The combined modes of burying pipes, hanging pipes along the river, temporary hanging pipe, using integrated treatment facilities and regular pumping and transferring of septic tanks have been adopted to control the pollution to Lingjianxi River and Qingfenggou River in urban villages of Guilin, which can provide reference for treatment mode and technology selection for sewage collection and treatment in urban villages.
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