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长江流域湖北片区典型城市水生态环境问题解析及整治对策

张妍妍 王峥 邱斌 孙德智

张妍妍,王峥,邱斌,等.长江流域湖北片区典型城市水生态环境问题解析及整治对策[J].环境工程技术学报,xxxx,x(x): x-xx doi: 10.12153/j.issn.1674-991X.20210699
引用本文: 张妍妍,王峥,邱斌,等.长江流域湖北片区典型城市水生态环境问题解析及整治对策[J].环境工程技术学报,xxxx,x(x): x-xx doi: 10.12153/j.issn.1674-991X.20210699
,,,et al.Analysis and countermeasures of typical urban water ecological environment problems in Hubei area of the Yangtze River Basin[J].Journal of Environmental Engineering Technology,xxxx,x(x): x-xx doi: 10.12153/j.issn.1674-991X.20210699
Citation: ,,,et al.Analysis and countermeasures of typical urban water ecological environment problems in Hubei area of the Yangtze River Basin[J].Journal of Environmental Engineering Technology,xxxx,x(x): x-xx doi: 10.12153/j.issn.1674-991X.20210699

长江流域湖北片区典型城市水生态环境问题解析及整治对策

doi: 10.12153/j.issn.1674-991X.20210699
基金项目: 国家长江生态环境保护修复联合研究项目(第一期)(2021-长江项目-001-W-004)
详细信息
    作者简介:

    张妍妍(1997—),女,硕士研究生,主要研究方向为水体污染控制技术,yanyanzhang0924@163.com

    通讯作者:

    孙德智(1960—),男,教授,主要从事污染水体源控与生态修复研究,sundezhi@bjfu.edu.cn

  • 中图分类号: X522

Analysis and countermeasures of typical urban water ecological environment problems in Hubei area of the Yangtze River Basin

  • 摘要:

    为了改善长江流域湖北片区城市水生态环境,从水环境质量、水资源、水生态和水安全4个方面解析了片区内城市水生态环境的特征及问题,并对主要污染源的污染负荷进行分析和估算。结果表明,生活源是片区城市的主要污染源,对化学需氧量、氨氮、总氮和总磷的贡献率分别占城市总排放负荷的68.75%、76.58%、75.82%和80.46%,且存在管网建设滞后,污水处理厂超负荷运行,工业磷化工、磷矿、磷石膏(“三磷”)问题突出,水资源供需矛盾显著,水体富营养化严重和水安全保障能力不够等问题。针对以上问题,结合片区城市的实际情况,分别从以下几方面提出水生态环境综合整治对策:生活源加大管网建设力度,污水处理厂提质增效;工业源重点解决“三磷”问题;水资源坚持以水定城、量水发展,构建节水型城市;水生态方面加强河湖缓冲带建设,恢复生物多样性;水安全方面加强风险管控,建立健全应急预警机制等。

     

  • 图  1  长江流域湖北片区水系

    Figure  1.  Water system of Hubei area of the Yangtze River Basin

    图  2  2016—2020年湖北省河流和湖泊省控及以上断面水质类别情况

    Figure  2.  Water quality of rivers and lakes under provincial control and above sections in Hubei Province from 2016 to 2020

    图  3  片区内各市3类污染源负荷占比

    Figure  3.  Load proportion of three types of pollution sources in each city of this area

    图  4  2020年片区内各市管网密度及污水处理厂运行负荷率

    Figure  4.  Density of pipe network and operating load rates of sewage treatment plants in each city of this area in 2020

    图  5  2019年湖北省降水量及优于Ⅲ类水质断面数量占比

    Figure  5.  Rainfall and proportion of water quality sections better than Class Ⅲ in Hubei Province in 2019

    图  6  2019年湖北省各市人均水资源量

    Figure  6.  Water resources per capita of each city in Hubei province in 2019

    图  7  2020年湖北省各市人均日生活用水量及万元工业增加值用水量

    Figure  7.  Water consumption for daily living per capita and per unit industrial added value of each city in Hubei province in 2020

    表  1  片区内城市3类污染源污染物排放量

    Table  1.   Discharge of the three types of pollutants from the cities in this area t/a

    污染源COD氨氮TNTP
    生活源235 058.1428 100.2747 783.814 624.55
    工业源48 143.055 713.549 713.54501.08
    面源58 724.542 880.635 526.64622.32
    合计341 925.7336 694.4463 023.995 747.95
    下载: 导出CSV

    表  2  2019年片区内各市工业废水排放量及主要行业类型

    Table  2.   Industrial wastewater discharge and main industry types of each city of this area in 2019

    城市工业废水排放量/(万t/a)主要行业类型
    武汉 19 733 光电子、建材、汽车及机械装备
    黄石 11 479 建材、有色金属、磷矿
    襄阳 23 978 化工、汽车、医药
    荆州 21 295 化工、汽车零件
    宜昌 22 859 磷化工、食品生物医药
    黄冈 18 372 化工、建筑建材
    鄂州 6 847 钢材、服装
    十堰 11 027 汽车机械、化工
    孝感 10 179 汽车机电、盐磷化工
    荆门 17 749 “三磷”企业、机械电子
    咸宁 17 623 冶金建材、食品饮料
    随州 6 758 汽车机械、农产品加工
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-11-15
  • 网络出版日期:  2022-04-21

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