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<p>Chemical grouting materials, especially urea–formaldehyde (UF) resin slurry, are commonly used to control the flow of groundwater in mining-affected strata and reinforce roadways. We investigated whether the UF slurry and its reaction products might be adversely affecting groundwater quality. A dynamic seepage reaction system was developed and used to conduct constant-flow, long-term percolation tests. The results indicate that UF slurry and its reaction products can adversely affect groundwater quality, although the contaminants gradually break down.</p>

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Potential Contamination of Groundwater by Modified Urea–Formaldehyde Resin Grouting

  • 期刊论文

  • 发表日期：

    2025年3月11日

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  • Ziwei Qian,
  • Haobo Zheng,
  • Jufeng Liu,
  • Shenyang He

摘要

Chemical grouting materials, especially urea–formaldehyde (UF) resin slurry, are commonly used to control the flow of groundwater in mining-affected strata and reinforce roadways. We investigated whether the UF slurry and its reaction products might be adversely affecting groundwater quality. A dynamic seepage reaction system was developed and used to conduct constant-flow, long-term percolation tests. The results indicate that UF slurry and its reaction products can adversely affect groundwater quality, although the contaminants gradually break down.