长江流域典型城市河段黑臭水体生态整治案例分析

韩璐; 李庆龙; 曾萍; 陈思琪

doi:10.12153/j.issn.1674-991X.20210672

长江流域典型城市河段黑臭水体生态整治案例分析

doi: 10.12153/j.issn.1674-991X.20210672

韩璐^{1, 2,},
李庆龙³,
曾萍^{1, 2},
陈思琪^{1, 2}

1.
中国环境科学研究院水生态环境研究所
2.
环境基准与风险评估国家重点实验室，中国环境科学研究院
3.
扬州经济技术开发区管委会建设局

基金项目: 国家水体污染控制与治理科技重大专项(2018ZX07601-003)

详细信息

作者简介:
韩璐(1981—)，女，研究员，博士，主要从事城市水环境治理研究，hanlu@craes.org.cn

中图分类号: X524
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- 被引次数: 0
出版历程
- 收稿日期: 2021-11-12
- 网络出版日期: 2022-04-02

Case study on water ecological regulation of black and odorous water in typical urban sections of the Yangtze River Basin

HAN Lu^{1, 2
,},
LI Qinglong³,
ZENG Ping^{1, 2},
CHEN Siqi^{1, 2}

1.
Institute of Water Ecology and Environment, Chinese Research Academy of Environmental Sciences
2.
State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences
3.
Construction Bureau of Yangzhou Economic & Technological Development Zone

摘要

摘要: 童套河、西沙河是长江流域有代表性的河网型河道水体，也是扬州市中心城区典型的黑臭水体。分析并阐述了童套河、西沙河主要水环境问题、治理措施、典型治理技术以及治理成效。治理前河道水体存在两岸污水收集能力不足、生活垃圾任意堆放，河道内水体流动性差、底泥淤积严重、水生态系统退化等问题，水质表现为黑臭，扬州市采取了控源截污、内源清理，水动力复氧、生态修复、活水换水、长效管理的治理思路，主要实施包括管网雨污分流改造，河道清淤疏浚，增设水循环造流增氧设备，构建生态河床、生态岸坡，活水换水等技术措施，取得了良好的环境效益、经济效益和社会效益。
- 长江流域 /
- 黑臭水体 /
- 水生态 /
- 修复
Abstract: The Tongtao River and Xisha River were the typical black and odorous water bodies in the center of Yangzhou City, and the typical river network water bodies in the Yangtze River Basin. The main water environment problems, treatment measures, typical treatment techniques and treatment effects of the Tongtao River and Xisha River were analyzed and expounded. The Tongtao River and Xisha River were identified as black and odorous water bodies before treatment, due to insufficient sewage collection capacity, poor fluidity of water body, random stacking of household garbage, serious sediment deposition, degradation of water ecosystem and so on．In order to solve these problems, Yangzhou City proposed the governance strategies of source pollution control, pollution interception, internal source treatment, hydrodynamic reoxygenation, ecological restoration, fresh water supply and circulation and long-term management. The main measures included diversion of rainwater and sewage pipelines, silt dredging, setting up water circulation equipment, constructing ecological riverbed and bank, and fresh water supply and circulation, etc. Good environmental, economic and social effects had been achieved after restoration of the Tongtao River and Xisha River.
- Yangtze River Basin /
- black and odorous water /
- water ecological /
- restoration

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图 1 童套河治理前状况

Figure 1. Status of Tongtao River before treatment

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图 2 西沙河治理前状况

Figure 2. Status of Xisha River before treatment

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图 3 黑臭水体生态修复与整治技术路线

Figure 3. Technical route for black and odorous water body ecological treatment and restoration

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图 4 水循环系统机理示意

Figure 4. Mechanism chart of water circulation system

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图 5 喷泉增氧机理示意

Figure 5. Mechanism chart of fountain oxygenation

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图 6 推流增氧机理示意

Figure 6. Mechanism chart of push flow and oxygenation

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图 7 生态河床效果示意

Figure 7. Effect chart of eco-bed

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图 8 生物列阵机理示意

Figure 8. Mechanism chart of biological array

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图 9 生态浮岛机理示意

Figure 9. Mechanism chart of ecological floating island

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表 1 童套河、西沙河水质监测数据

Table 1. Water quality monitoring data of Tongtao River and Xisha River

水体	点位	氨氮浓度/（mg/L）	溶解氧浓度/（mg/L）	氧化还原电位/mV	总磷浓度/（mg/L）	COD/（mg/L）	水体透明度/cm
童套河	1	1.71	1.65	48	0.46	34.6	36
	2	3.22	1.84	40	0.35	21.5	80
	3	6.31	1.84	31	1.04	65.4	26
	4	8.68	1.96	32	1.02	56.3	28
	5	4.97	1.53	43	0.90	38.9	53
	6	8.69	1.34	42	0.69	171.7	37
西沙河	1	5.56	1.80	−3	0.81	223.9	15
	2	4.82	1.11	11	2.15	580.5	20
	3	3.49	1.91	36	0.17	263.1	24

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