城市水污染控制与水生态修复技术演化路径及研究热点基于文献计量学的分析

Evolutionary path and research hotspots of urban water pollution control and water ecological restoration technologies: a bibliometric analysis

  • 摘要: 在城镇化快速推进和水环境问题日益突出的背景下,系统梳理城市水污染控制与水生态修复领域的研究进展及发展趋势,对于认识技术演进规律、支撑城市水环境治理具有重要意义。以Web of Science Core Collection数据库为文献来源,检索并筛选2010—2024年该领域相关文献,采用文献计量学方法并借助CiteSpace可视化工具,从发文量变化、国家与机构研究格局及研究热点演化等方面开展分析;同时,以Derwent Innovations Index数据库为专利数据来源,检索并筛选2010—2024年相关专利,结合专利数据探讨技术创新特征与工程转化情况。结果表明:2010—2024 年该领域研究规模持续扩大,形成了以中国为主要产出国家、高校和科研院所为研究主体的研究格局。研究热点由2010—2013年以水质达标、氮磷削减和污染负荷管理为主,逐步拓展至点源-面源协同控制和城市水系统整体调控,并自2018年以来进一步聚焦功能材料强化净化、人工湿地与生态修复等方向。专利技术主题主要集中于处理系统、处理装置、过滤装置及生态修复等方面,与文献计量分析识别出的深度处理、自然净化和系统集成路径具有较强对应关系,表明该领域技术发展正由单一污染控制向多技术协同、装备化和工程化技术系统集成转化。未来应进一步明确污染削减与水生态功能恢复之间的响应关系,强化深度处理、生态修复与再生回用等技术单元的协同集成,并通过中试验证、长期监测和高质量国际合作,提升相关成果的工程转化能力与学术影响力。

     

    Abstract: With rapid urbanisation and increasingly severe water environmental problems, a systematic review of research progress and development trends of urban water pollution control and water ecological restoration is of great significance for revealing the rules of technological evolution, supporting urban water environmental management and engineering technologies. Publications from 2010 to 2024 were retrieved and screened from the Web of Science Core Collection database. Bibliometric analysis was conducted using the CiteSpace visualization tool to analyse publication trends, national and institutional research patterns, and the evolution of research topics. Meanwhile, patent data from 2010 to 2024 were retrieved and screened from the Derwent Innovations Index database to further examine technological innovation characteristics and engineering application status. The results indicate that research output in this field continued to expand from 2010 to 2024, with China as the major contributing country and universities and research institutes as the main research contributors. Research topics evolved from water quality compliance, nitrogen and phosphorus reduction, and pollution load management during 2010-2013, towards point-non-point source collaborative control and integrated regulation of urban water systems, and further focused on functional material-enhanced purification, constructed wetlands, and ecological restoration since 2018. Patent topics are mainly concentrated on treatment systems, treatment devices, filtration devices, and ecological restoration, which correspond closely to the pathways of advanced treatment, natural purification, and system integration identified by bibliometric analysis. This indicates that technological development in this field is shifting from single pollution control towards multi-technology collaboration, equipment-oriented solutions, and engineering system integration. Future research should further clarify the response relationship between pollution reduction and aquatic ecosystem function restoration, strengthen the collaborative integration of advanced treatment, ecological restoration, and water reuse technologies, and improve engineering application capacity and academic impact through pilot-scale verification, long-term monitoring, and high-quality international cooperation.

     

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