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在COVID封锁期间处理的生物医疗废物处理行为的变化
Preeti Kumari1, Tanvir Shahrier Mahmud1, Kelvin Tsun Wai Ng2
1Environmental Systems Engineering, University of Regina, 3737 Wascana Parkway, Regain, SK, S4S 0A2, Canada.
概括
加拿大雷吉纳的生物医疗废物处理率在COVID-19封锁期间下降,显示变化增加. 处置率通常在夏季和秋季达到顶峰,在流行病前后观察到的一致的每日模式.
科学领域:
- 环境科学 环境科学
- 公共卫生 公共卫生
- 废物管理 废物管理
背景情况:
- 有效的生物医疗废物管理对于公共卫生至关重要,因为材料具有传染性.
- 关于北美生物医疗废物产生和处置的研究有限.
- 这项研究通过检查处理生物医疗废物 (TBMW) 处置的时间变化来解决这一差距.
研究的目的:
- 分析2013年至2022年加拿大雷吉纳市TBMW处置率的季节性变化.
- 评估COVID-19流行病对TBMW处置模式的影响.
- 了解与流行病相关的封锁期间和之后,TBMW处置行为发生的变化.
主要方法:
- 从2013年到2022年,对TBMW处置数据进行时间序列分析.
- 处置率和变化在COVID-19发病前和后的比较.
- 检查季节性趋势和每日处置贡献模式.
主要成果:
- 在疫情前,人们观察到TBMW的稳定处置率约为6.6公斤/人/年.
- 由于COVID-19的流行,TBMW的处置率急剧而持续下降.
- 2020年,TBMW负载重量表现出较高的变化,平均负载最低 (5.1/月/卡车负载).
- 处置率通常在夏季和秋季达到顶峰.
- 保持了一致的每日处置模式 (97.5%在固定的日子).
结论:
- 由于COVID-19大流行,雷吉纳省的TBMW处置行为发生了重大变化.
- 在疫情封锁期间和之后,废物管理实践的时间变化很明显.
- 了解这些转变对于调整公共卫生和废物管理战略至关重要.
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