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The protection of environmental resources such as air, water, and soil is a major challenge for sustainable development. The circular economy provides a viable solution by promoting waste reduction, resource reuse, and continuous productive cycles. In this context, the treatment and valorization of zootechnical sludge through anaerobic fermentation offer an effective means of transforming organic waste into valuable resources. This process generates biogas, a renewable energy source, and digestate, a natural fertilizer contributing to reduced pollution, lower greenhouse gas emissions, and decreased reliance on fossil fuels and chemical fertilizers. This study explores the design of an anaerobic fermentation tank EPDM (ethylene propylene diene monomer) geomembranes in sludge treatment plants within an agro-zootechnical farm, in Nucet, Dâmbovița county, Romania. By examining this specific case study, we showcase the particular challenges in the design of EPDM geomembranes for this kind of structure, a process that may have implications for similar geosynthetic applications, in particular for cases in which non-linear, large-deformation numerical analyses and rubber material models are required.

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EPDM Geomembrane Design for Anaerobic Fermentation Tanks, a Large Deformation Approach

  • 会议论文

  • 发表日期：

    2025年

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  • Andrei-Dan Sabău,
  • Ruxandra Erbaşu,
  • Daniela Ţăpuşi,
  • Mihaela Stan,
  • Cristian- Ş tefan Barbu,
  • Daniel-Marcel Manoli,
  • Manole-Stelian Şerbulea

摘要

The protection of environmental resources such as air, water, and soil is a major challenge for sustainable development. The circular economy provides a viable solution by promoting waste reduction, resource reuse, and continuous productive cycles. In this context, the treatment and valorization of zootechnical sludge through anaerobic fermentation offer an effective means of transforming organic waste into valuable resources. This process generates biogas, a renewable energy source, and digestate, a natural fertilizer contributing to reduced pollution, lower greenhouse gas emissions, and decreased reliance on fossil fuels and chemical fertilizers. This study explores the design of an anaerobic fermentation tank EPDM (ethylene propylene diene monomer) geomembranes in sludge treatment plants within an agro-zootechnical farm, in Nucet, Dâmbovița county, Romania. By examining this specific case study, we showcase the particular challenges in the design of EPDM geomembranes for this kind of structure, a process that may have implications for similar geosynthetic applications, in particular for cases in which non-linear, large-deformation numerical analyses and rubber material models are required.