نبذة مختصرة : With the global issue of food waste generating substantial greenhouse gas emissions, this study conducts a comprehensive social cost-benefit analysis of food waste management options to evaluate the economic and environmental impacts of integrating food waste disposers into the existing food waste management system. The analysis considers various scenarios of food waste discharge and treatment, including anaerobic digestion and resource recovery. By assessing the private costs associated with installation, maintenance, and operational expenses, the private benefits associated with administrative cost reduction, energy recovery, increased operating profits, alongside external costs such as the potential benefits of value of convenience in life and reduced environmental impact. The results indicate that Scenario 1, which involves shredding household food waste with food waste disposers, fully discharging it into the sewer system, treating it in the public sewage treatment facilities, and converting it into biogas at sewage sludge and organic waste co-digestion facilities, provided the highest value coefficient. These findings provide important insights for policymakers seeking to enhance sustainability in food waste management systems. Implication statement: This study conducts a comprehensive social cost-benefit analysis of food waste management options to evaluate the economic and environmental impacts of integrating food waste disposers into the existing food waste management system. By assessing the private costs associated with installation, maintenance, and operational expenses, the private benefits associated with administrative cost reduction, energy recovery, increased operating profits, alongside external costs such as the potential benefits of value of convenience in life and reduced environmental impact. The results provide important insights for policymakers seeking to enhance sustainability in food waste management systems.
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