填埋场,抽出-处理,地下水修复,多污染物 ," /> 填埋场,抽出-处理,地下水修复,多污染物 ,"/> landfill,pump-and-treat,groundwater remediation,multiple pollutants ,"/> <p class="MsoNormal"> <span>Engineering Design for Groundwater Remediation at a Large-Scale Aged Landfill Site in China</span>

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Engineering Design for Groundwater Remediation at a Large-Scale Aged Landfill Site in China

  

  1. Shanghai Municipal Engineering Design Institute (Group) Co. Ltd.

  • Published:2025-06-26

Abstract:

This study focuses on a large-scale aged landfill site in southern China. Based on the analysis of groundwater quality survey data, a variety of low-concentration pollutants (such as ammonia nitrogen, COD, volatile phenols, manganese, etc.) were detected in the groundwater.Considering the advantages and disadvantages of mainstream groundwater remediation technologies both domestically and internationally, the pump-and-treat technology was selected as the optimal choice. A process system consisting of "aerobic biofluidized bed + electrocatalytic oxidation + reverse osmosis" was constructed to achieve the simultaneous and highly efficient removal of multiple pollutants in groundwater (removal rate of approximately 100%). The effluent water quality indicators are below the Class III water quality limits specified in Table 1 of the "Standard for Groundwater Quality " (GB14848-2017), meeting the design requirements. This work findings provide valuable technical references for groundwater remediation projects at similar landfill sites.

Key words: landfill')">

landfill, pump-and-treat, groundwater remediation, multiple pollutants

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