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Zhao, Hailong; Liu, HanQiao; Wei, Guoxia; Wang, Hongtao; Zhu, Yuwen; Zhang, Rui; Yang, Yong
Waste management, 05/2021, Letnik: 126Journal Article
•Life cycle inventories of emergency MW disposal scenarios are established.•Key factors of movable disposal scenarios are identified via LCA.•Environmental impacts of five emergency disposal scenarios were compared.•Recommendations for the emergency management of MW disposal are provided. The COVID-19 pandemic attracts concerns globally and leads to an exponential increase in medical waste generation, and disposal of medical waste is an urgent need for preventing the epidemic spread. Emergency disposal scenarios of medical waste generated during the COVID-19 pandemic require a systematic assessment to quantify their potential environmental impacts. The environmental impacts and key factors of three movable disposal scenarios (i.e. incineration disposal vehicle, movable steam and microwave sterilization equipment both followed by co-incineration with municipal solid waste) were quantified via life cycle assessment approach. Furthermore, the environmental impacts of three movable disposal and two co-incineration scenarios were compared via life cycle assessment by expanding system boundaries. The results show that co-incineration with municipal solid waste has the lowest environmental impacts due to environmental benefits produced by power generation, while co-incineration with hazardous waste is the highest due to the high energy consumption. Energy consumption (i.e. kerosene, electricity and diesel) are the key factors for three movable disposal scenarios. For movable steam and microwave sterilization equipment followed by co-incineration with municipal solid waste, power generation from incinerating disinfected medical waste has significant beneficial environmental impacts due to avoided impacts of electricity consumption. The recommendations for improvement of the emergency disposal and management of medical waste during the COVID-19 pandemic globally and other serious epidemic in the future are provided.
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Vir: Osebne bibliografije
in: SICRIS
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