Technical Evaluation of Steam Sterilisation Coupled with Gasification to Improve Circularity of Australian Hospital Waste Management: A Case Study
Resources, conservation and recycling(2024)
摘要
This paper reports on an alternate approach to hospital waste management by technically evaluating onsite steam sterilisation coupled with gasification to treat general and clinical waste. A literature review revealed a dearth of information on compositional breakdown of Australian hospital waste which may limit the application of more circular waste management practices. Three Australian hospital waste profiles were assessed; general and clinical wastes contributed on average 84.8 % and 6.9 % by weight respectively. Australian hospital general waste composition, reported here for the first time, was categorised into its major components with plastic and paper & cardboard representing 74.5 % and 13.4 % respectively. Technical assessment combining waste composition with theoretical values revealed that Australian hospital waste was well suited to processing through gasification and provided significant benefits. Environmental benefits included 95.9 % reduction in landfilling and associated emissions from landfill, transport and incineration, improved landfill lifespan and recycling. National hospital waste production was estimated at 230,717 tonnes per annum for 2019/2020.
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关键词
Recycling,Thermal treatment,Medical waste,Waste reduction,Energy,Clinical waste
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