工业活动对大气中含铁纳米颗粒的排放。

IF 8 1区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES
Science of the Total Environment Pub Date : 2024-12-20 Epub Date: 2024-12-03 DOI:10.1016/j.scitotenv.2024.177840
Qiuting Yang, Lili Yang, Lingna Zheng, Hao Fang, Xue Li, Haogang Liu, Changzhi Chen, Jianghui Yun, Chenyan Zhao, Meng Wang, Guorui Liu, Minghui Zheng
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引用次数: 0

摘要

空气吸入外源性含铁纳米颗粒(NPs)可导致其在人体器官中发生。为了人类的可持续健康,迫切需要全面认识正在进行的大型工业活动无意中释放的含铁NPs。在这里,我们量化了从13个工业类别的132个全面工业工厂收集的细颗粒物中含铁的NPs排放。在调查的13个行业中,大多数颗粒的直径为12颗粒/g,其次是高炉生铁生产(6.2 × 1011颗粒/g)和电弧炉炼钢(4.7 × 1011颗粒/g)。中国13个行业含铁NPs年大气排放总量为1.03 × 1024粒。13个工业排放的含铁NPs导致工厂周围大气中这些颗粒浓度升高,可能对普通民众构成健康风险。燃煤电厂、水泥窑固废共处理、高炉生铁生产、焦化厂、铁矿石烧结、电弧炉炼钢、危险废物焚烧等13个行业年大气排放总量的99.9%。这些结果对于评估排放和提高全球工业发展的可持续性具有重要意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Atmospheric emissions of Fe-containing nanoparticles from industrial activities.

Air inhalation of exogenous Fe-containing nanoparticles (NPs) can lead to their occurrence in human organs. Comprehensive recognition on unintentional releases of Fe-containing NPs from ongoing large industrial activities is urgently required for sustainable human health. Here, we quantified Fe-containing NPs emissions in fine particulate matter collected from 132 full-scale industrial plants belong to 13 industrial categories. For the 13 investigated industries, most particles had a diameter of <80 nm. The sources with the highest Fe-containing NPs concentrations were hazardous waste incineration (1.4 × 1012 particles/g), followed by blast furnace production of pig iron (6.2 × 1011 particles/g) and electric-arc furnace steelmaking (4.7 × 1011 particles/g). The annual total atmospheric emission of Fe-containing NPs from the 13 industries in China was 1.03 × 1024 particles. Emissions of Fe-containing NPs from the 13 industries contribute to elevated concentrations of these particles in the atmosphere surrounding factories, potentially posing health risks to the general population. Coal-fired power plants, cement kiln co-processing of solid waste, blast furnace production of pig iron, coking plants, iron-ore sintering, electric-arc furnace steelmaking, and hazardous waste incineration collectively contributed to 99.9 % of the total annual atmospheric emissions from the 13 industries. These results are important for evaluating emissions and enhancing the sustainability of global industrial development.

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来源期刊
Science of the Total Environment
Science of the Total Environment 环境科学-环境科学
CiteScore
17.60
自引率
10.20%
发文量
8726
审稿时长
2.4 months
期刊介绍: The Science of the Total Environment is an international journal dedicated to scientific research on the environment and its interaction with humanity. It covers a wide range of disciplines and seeks to publish innovative, hypothesis-driven, and impactful research that explores the entire environment, including the atmosphere, lithosphere, hydrosphere, biosphere, and anthroposphere. The journal's updated Aims & Scope emphasizes the importance of interdisciplinary environmental research with broad impact. Priority is given to studies that advance fundamental understanding and explore the interconnectedness of multiple environmental spheres. Field studies are preferred, while laboratory experiments must demonstrate significant methodological advancements or mechanistic insights with direct relevance to the environment.
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