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<p>Phosphorus (P) is the main limiting factor in eutrophication. Sediment P can be released decades after its accumulation. Lake restoration requires the reduction of internal sediment P loading. Although we tried to provide a comprehensive summary of the state-of-the-art sediment P control technologies, our analyses in this review are focused on the mechanisms, control effects, and application conditions of different <i>in-situ</i> technologies including physical control, chemical control, ecological remediation, and combined control technology. The design principles, feasibility, operation parameters, and pros &amp; cons of these technologies are analyzed and compared. More efforts are needed to improve <i>in-situ</i> sediment P control technologies so as to enhance the interaction between materials and plant communities and promote the adsorption and fixation of active P in sediments. The control materials for internal sediment P loading need to be further studied in terms of their functional properties, pre-evaluation of the P control effect, and engineering applications.</p>

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In-situ Technologies for Controlling Sediment Phosphorus in Eutrophic Shallow Lakes: A Review

  • 期刊论文

  • 发表日期：

    2025年2月5日

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  • Zisen Liu,
  • Yi Zhang,
  • Qiaohong Zhou,
  • Zhenbin Wu,
  • Yanxin Wang

摘要

Phosphorus (P) is the main limiting factor in eutrophication. Sediment P can be released decades after its accumulation. Lake restoration requires the reduction of internal sediment P loading. Although we tried to provide a comprehensive summary of the state-of-the-art sediment P control technologies, our analyses in this review are focused on the mechanisms, control effects, and application conditions of different in-situ technologies including physical control, chemical control, ecological remediation, and combined control technology. The design principles, feasibility, operation parameters, and pros & cons of these technologies are analyzed and compared. More efforts are needed to improve in-situ sediment P control technologies so as to enhance the interaction between materials and plant communities and promote the adsorption and fixation of active P in sediments. The control materials for internal sediment P loading need to be further studied in terms of their functional properties, pre-evaluation of the P control effect, and engineering applications.