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Significant water loss occurs due to reservoir evaporation. This research has proposed a novel, cost-effective alternative cover systems. The method utilizes floating, upcycled polyethylene terephthalate (PET) bottles, either empty or filled with opaque materials like laminated aluminum foil (LAF) and assorted plastic bags (APB), to create a cover for the water surface, thereby reducing evaporation. This ongoing experiment investigates the extent of physical deterioration experienced by these PET bottles and their potential impact on water quality under simulated outdoor conditions. Eighteen samples, varying in filling materials and exposure periods (6, 12, and 18 months), were analyzed using Optical Microscope (OM). Results showed minimal surface degradation and no significant impact on water quality parameters (pH, DO, BOD, TCB, FCB), indicating the bottles’ durability and safety. This method also addresses plastic waste management and could mitigate drought effects in arid regions, offering a dual benefit of environmental protection and water conservation.

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Level of Deterioration Evident in Floating Plastic Bottles in Reducing Evaporation of Reservoirs

  • 会议论文

  • 发表日期：

    2025年

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  • Vacharapoom Benjaoran,
  • Laksamon Raksaksri,
  • Jiradet Settakhumpoo

摘要

Significant water loss occurs due to reservoir evaporation. This research has proposed a novel, cost-effective alternative cover systems. The method utilizes floating, upcycled polyethylene terephthalate (PET) bottles, either empty or filled with opaque materials like laminated aluminum foil (LAF) and assorted plastic bags (APB), to create a cover for the water surface, thereby reducing evaporation. This ongoing experiment investigates the extent of physical deterioration experienced by these PET bottles and their potential impact on water quality under simulated outdoor conditions. Eighteen samples, varying in filling materials and exposure periods (6, 12, and 18 months), were analyzed using Optical Microscope (OM). Results showed minimal surface degradation and no significant impact on water quality parameters (pH, DO, BOD, TCB, FCB), indicating the bottles’ durability and safety. This method also addresses plastic waste management and could mitigate drought effects in arid regions, offering a dual benefit of environmental protection and water conservation.