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The rapid growth of the home appliance industry has caused a sharp rise in discarded appliances, making making their proper disposal is a vital environmental issue. This study employed the life cycle assessment (LCA)Life Cycle Assessment (LCA) approach to systematically evaluate the environmental impacts of end - of - life management for refrigerators, air conditioners, and washing machines. The research scope covers transportation, disassembly, and reuse of disassembly products. Through collecting real - world and background data for inventory analysis, six typical environmental impact indicators were selected for evaluation.Results show that drum washing machines have relatively high environmental costs in waste treatment. Their ADPe is 1.71E-06 kg Sb eq and ADPf is 2.78E+02 MJ, higher than those of refrigerators and indoor air conditioners. Contribution analysis indicates that the iron recycling stage of refrigerators has the greatest impact on the six environmental aspects; the disassembly and recycling of four elements of indoor air conditioners significantly affect ADPe; and the iron recycling stage of drum washing machines has the most significant environmental impacts.In the assessmentEnvironmental impact assessment of recycling benefits, except for copper, recycled aluminum, iron, and plastic consume far less fossil energy than primary materials. For example, recycled aluminum saves 4.63 MJ compared to primary aluminum. Except for iron, recycling copper, aluminum, and plastic brings significant carbon reduction benefits. This study provides a basis for optimizing home appliance waste disposal and promoting industry sustainability.

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Identification and Analysis of Key Environmental Impact Factors in the End-of-Life Treatment of Household Appliances in China

  • 会议论文

  • 发表日期：

    2026年

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  • Leixu Huang,
  • Mengyu Zhai,
  • Yingfang Zhu,
  • Weiwei Zhai,
  • Chao Wang,
  • Shuo Shi,
  • Yingao Gao,
  • Gang Dong,
  • Fengling He,
  • Canyan Chen,
  • Shuai Su

摘要

The rapid growth of the home appliance industry has caused a sharp rise in discarded appliances, making making their proper disposal is a vital environmental issue. This study employed the life cycle assessment (LCA)Life Cycle Assessment (LCA) approach to systematically evaluate the environmental impacts of end - of - life management for refrigerators, air conditioners, and washing machines. The research scope covers transportation, disassembly, and reuse of disassembly products. Through collecting real - world and background data for inventory analysis, six typical environmental impact indicators were selected for evaluation.Results show that drum washing machines have relatively high environmental costs in waste treatment. Their ADPe is 1.71E-06 kg Sb eq and ADPf is 2.78E+02 MJ, higher than those of refrigerators and indoor air conditioners. Contribution analysis indicates that the iron recycling stage of refrigerators has the greatest impact on the six environmental aspects; the disassembly and recycling of four elements of indoor air conditioners significantly affect ADPe; and the iron recycling stage of drum washing machines has the most significant environmental impacts.In the assessmentEnvironmental impact assessment of recycling benefits, except for copper, recycled aluminum, iron, and plastic consume far less fossil energy than primary materials. For example, recycled aluminum saves 4.63 MJ compared to primary aluminum. Except for iron, recycling copper, aluminum, and plastic brings significant carbon reduction benefits. This study provides a basis for optimizing home appliance waste disposal and promoting industry sustainability.