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<p>This study investigates the solidification of liquid organic waste (LOW) using cement enhanced with bentonite clay to improve mechanical performance. Cement matrices containing 6–10% bentonite (2% increments) and LOW contents of 16–20% (by water) were evaluated. Compressive strength was tested after 7, 14, 21, and 28 days, while porosity and water absorption were measured after 14 days. The optimal formulation, with 8% bentonite and 28 days of curing, achieved the highest strength, showing a 33.33% improvement over previous studies. These results demonstrate that bentonite addition effectively enhances the strength and quality of cemented waste forms for radioactive LOW immobilization.</p>

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Effect of bentonite clay addition on the mechanical and microstructural properties of cemented forms for liquid organic waste immobilization

  • 期刊论文

  • 发表日期：

    2026年1月1日

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  • Hind Mensour,
  • Amina El Rhalbi,
  • Zineb Faiz,
  • Touria El ghailassi,
  • Hasna Hamdane

摘要

This study investigates the solidification of liquid organic waste (LOW) using cement enhanced with bentonite clay to improve mechanical performance. Cement matrices containing 6–10% bentonite (2% increments) and LOW contents of 16–20% (by water) were evaluated. Compressive strength was tested after 7, 14, 21, and 28 days, while porosity and water absorption were measured after 14 days. The optimal formulation, with 8% bentonite and 28 days of curing, achieved the highest strength, showing a 33.33% improvement over previous studies. These results demonstrate that bentonite addition effectively enhances the strength and quality of cemented waste forms for radioactive LOW immobilization.