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To implement this resource efficiency objective, recoverable manufacturing systems could be used. With the increase in the world's consumption of household and industrial products, there is a need to reduce the consumption of mineral resources and the amount of waste generated and end-of-life products sent to scrap yards. It focuses on refrigeration and air-conditioning compressors.
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This paper compares the economic and environmental implications of repaired, remanufactured and new compressors. Since a remanufactured compressor offers a longer life than a repaired compressor, the replacement of the latter with the former can avoid 33% to 66% of the greenhouse gas emissions associated with a new compressor production with a lifetime of 15 to 25 years. The research also found that extended lifetime is more important than the manufacturing processes in terms of greenhouse gas emissions. Repairing failed compressors has been found to offer end users both dollar and carbon savings in contrast to remanufactured and new compressors. While greenhouse gas emissions from the remanufactured compressors (110 to 168 kg CO 2-e) are relatively higher than those from the repaired ones (4.4 to 119 kg CO 2-e), a new compressor has been found to produce a larger amount of greenhouse gas emissions (1,590 kg CO 2-e) compared to both repaired and remanufactured compressors. The life cycle assessment of the global warming potential of repaired compressors varies from 4.38 to 119 kg carbon dioxide equivalent (CO 2-e), depending on the type of components replaced. A detailed life cycle assessment has been carried out for compressors under three manufacturing strategies: repaired, remanufactured and new equipment. Repaired compressors are compared with remanufactured and new compressors in terms of economic and environmental benefits.