在全球硫上限以下的船舶排气中产生的纳二烯的排放特性
Chin-Ko Yeh1, Fu-Ming Tzu1, Po-Yang Chen2
1Department of Marine Engineering, National Kaohsiung University of Science and Technology, Kaohsiung 805301, Taiwan.
The Science of the total environment
|August 10, 2023
概括
低硫燃料油 (LSFO) 中的纳烯 (Nap) 在船舶排气中显著增加了多环芳 (PAHs),构成公共卫生风险. 减少NAP排放对于改善港口城市空气质量至关重要.
科学领域:
- 环境化学环境化学
- 海洋污染 海洋污染
- 职业健康 职业健康 职业健康
背景情况:
- 全球硫限制法规 (0.5%LSFO) 旨在减少SOx,NOx和PM排放.
- 纳烯 (Nap) 添加到LSFO以稳定增加了多环芳 (PAH),其中纳是主要污染物.
- 来自LSFO的PAH增加会影响空气质量,并对健康构成风险.
研究的目的:
- 调查纳 (Nap) 对船舶废气排放的影响.
- 量化各种船舶类型排气中的挥发性有机化合物 (VOC) 和Nap度.
- 评估与升高的Nap排放相关的公共卫生风险.
主要方法:
- 使用USEPA方法TO-15A.分析船舶废气.
- 在16艘船舶 (集装箱船,散货船,油轮,渡轮,渔船,港口船只) 中测量VOC和NAP度.
- 测量到的Nap度与职业暴露极限值的比较.
主要成果:
- 纳烯 (Nap) 占船舶排气中VOC总量的77%-97%.
- 渔船,油轮和港口船只的废气超过了Nap的职业暴露限值 (50,000μg/m3).
- 渔船表现出最高的TVOC和Nap度.
结论:
- 来自船只的纳烯排放大大降低了港口城市的空气质量.
- 升高的NAP水平显然构成公共卫生风险,需要采取进一步行动.
- 建议使用替代的LSFO稳定剂或增强的Nap排放控制来减轻负面影响.
关键词:
港口空气质量 港口空气质量国际海事组织 (IMO) 硫盖低硫燃料油 (LSFO) 是一种燃料油.纳夫塔利尼 纳夫塔利尼 纳夫塔利尼 纳夫塔利尼多环芳 (PAHs) 是一种多环芳.船舶排放的排放量 船舶排放的排放量更多相关视频
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