作为二次有机气溶的重要来源的油砂业务
John Liggio1, Shao-Meng Li1, Katherine Hayden1
1Air Quality Research Division, Environment and Climate Change Canada, Toronto, Ontario M3H 5T4, Canada.
Nature
|June 3, 2016
概括
油砂勘探有助于二次有机气溶的形成,影响空气质量. 这项研究量化了这种影响, 确定了石油沙是北美气溶的主要来源.
科学领域:
- 环境科学
- 大气化学
- 地质学
背景情况:
- 沉重的石油和青代表了全球巨大的能源储备.
- 越来越多的提取引发了环境问题,包括有毒化合物和酸沉积.
- 油砂在二次有机气溶 (SOA) 形成中的作用尚不清楚.
研究的目的:
- 量化评估油砂排放中的SOA产量.
- 确定油砂对大气颗粒物的贡献.
- 评估重油和矿开采对环境的影响.
主要方法:
- 在加拿大石油沙上进行空中测量.
- 关于油砂排放的实验室实验
- 对SOA生产率进行盒式模拟.
主要成果:
- 来自采矿油砂的有机蒸气的蒸发和氧化是SOA质量的主要驱动因素.
- 在北美,油砂是人为SOA的主要来源,每天产生45-84.
- 在全球范围内,重油和生产是SOA的重要来源.
结论:
- 油砂开采是二次有机气溶的重要来源.
- 重油和矿开采对空气质量的环境影响需要进一步考虑.
- 这些发现对评估全球青和重油开采项目具有重要意义.
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