SONG Xiao-ya.Construction and Thinking of Centralized Sludge Treatment Center[J].China Water & Wastewater,2021,37(20):22-27.
集中式污泥处理中心的建设与思考
- Title:
- Construction and Thinking of Centralized Sludge Treatment Center
- 摘要:
- 近年来随着环保问责形势的严峻以及人民对美好生活的期许，城市污水处理的副产物——市政污泥越来越引起大家的重视。合理规划污泥处理建设项目的规模，制定经济技术路线，实现持续稳定的运行是较紧迫的任务。调查总结了我国近10年直辖市、省会城市、国家计划单列市共36座城市的集中式污泥处理设施的建设情况，分析已运转项目、待建和待运转项目的技术特点和应用，并与国际上的同类项目进行对比。我国现况污泥处理中心项目普遍建设规模较小，且面临污泥终端处置的困扰和环境质量提升的挑战，亟需实施升级改造。应运用全生命周期的理念，及时总结建成项目的运行经验和运营成本，为今后污泥处理处置项目建设提供借鉴。应加快推进集中式污泥处理中心的建设，发挥集约化的优势，弥补污泥处理处置的刚性缺口。对于受经济等条件制约的城市，建议拟定分阶段实施方案，统筹规划推进，在项目占地区域规划中合理布局。
- Abstract:
- With the severe environmental protection accountability situation and the people’s expectations for a better life in recent years, municipal sludge, the by-product of urban sewage treatment, has attracted more and more attention. It is a more urgent task to rationally plan the scale of construction projects, formulate economic and technological routes, and achieve sustained and stable operation. This paper reviews the construction of centralized sludge treatment facilities in the past ten years among 36 of under the central government municipality cities, provincial capital cities, and national plan single cities in China. The technical characteristics and application of the operational projects, projects to be built and operated were analyzed and compared with the similar projects in the world. China’s current sludge treatment center projects are generally in small scale and are facing the challenges of sludge terminal disposal and environmental quality improvement. So it is urgent to be upgraded. The concept of the whole life cycle should be used to summarize the operational experience and operating costs of the completed projects promptly, and provide a reference for the future construction of sludge treatment and disposal projects. The construction of centralized sludge treatment centers should be accelerated, and the advantages of intensification should be brought into compensate for the rigid gap in sludge treatment and disposal. For cities that are constrained by economic conditions, it is recommended to formulate a phased implementation plan, make overall planning and advancement, and rationally arrange in project land occupation and regional planning.
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