评估金属暴露和废弃香烟烟头中的漏:环境分析和综合废物管理方法
Muhammad Faisal1, Zai-Jin You1, Noman Ali Buttar2
1Centre for Ports and Maritime Safety, Dalian Maritime University, Dalian 116026, China.
Toxics
|May 24, 2024
概括
废弃的烟尾会将和等危险金属释放到环境中. 长时间的暴露和降雨大大增加了金属的漏,突出了需要更好的废物管理.
科学领域:
- 环境科学 环境科学
- 分析化学 分析化学
- 城市生态城市生态学
背景情况:
- 烟是流行的垃圾形式,含有危险污染物.
- 从废弃的烟中出的金属对环境的影响越来越令人担忧.
研究的目的:
- 评估在各种条件下,烟尾从环境中释放的特定金属的环境释放.
- 在不同的场景中量化金属度和漏率.
主要方法:
- 收集了来自中国城市七个受欢迎品牌的卷烟样本.
- 样品的人工吸烟,然后使用石墨炉原子吸收 (GF-AAS) 进行分析.
- 在不同的环境条件和时间框架下对金属排放的评估.
主要成果:
- 在新抽烟的里平均度 (μg/g):Cr (1.77),Ni (2.88),Cu (12.93),Zn (24.25),Pb (1.77). 在新抽烟的里平均度 (μg/g):Cr (1.77),Ni (2.88),Cu (12.93),Zn (24.25),Pb (1.77).
- 金属排放量随着长时间的环境暴露而增加了8-10%.
- 与受控条件相比,降雨使金属出加速了18-20%.
- 估计每年金属释放量在844.97公斤 (最佳情况) 到2129.31公斤 (最坏情况) 之间.
结论:
- 烟是环境金属污染的重要来源.
- 环境因素,如时间和降雨量,极大地影响金属水.
- 迫切需要公众教育和改善城市维护,以减轻这种污染.
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