评估减排技术在减少电厂空气污染方面的有效性。

IF 3 4区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES
Zohar Barnett-Itzhaki, Shahar Meir, Yuval Rozolio, Amit Noy, Bella Ben-David
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引用次数: 0

摘要

燃煤电厂造成的空气污染对健康和环境构成重大威胁。本研究旨在评估减排技术,特别是烟气脱硫(FGD)湿式洗涤器和选择性催化还原(SCR)系统在减少以色列发电厂空气污染方面的有效性。我们分析了Hadera发电厂附近八个监测站的空气质量数据,比较了安装减排系统之前(2015年)和之后(2019年)的污染物浓度。利用Wilcoxon配对检验和线性回归模型计算并分析了NOx、NO2和SO2浓度的小时平均值。结果显示,在安装减排系统后,总体污染物浓度显著降低。夏季总平均NOx浓度从11.68降至6.88 ppb,冬季从9.78降至7.38 ppb。NO2和SO2也有类似的减少。监测站数据的具体分析显示,在所有比较中有86.7%的统计学显著下降。此外,在22个线性回归模型中的21个中,表明减排系统安装的变量与污染物浓度呈负相关。这些发现证明了减排技术在减少发电厂空气污染方面的有效性,支持将其作为改善燃煤发电厂附近地区空气质量和保护公众健康的可行战略加以实施。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluating the Effectiveness of Abatement Technologies in Reducing Air Pollution from Power Plants.

Air pollution from coal-based power plants poses significant health and environmental risks. This study aimed to evaluate the effectiveness of abatement technologies, specifically flue gas desulfurization (FGD) wet scrubbers and selective catalytic reduction (SCR) systems, in reducing air pollution from power plants in Israel. We analyzed air quality data from eight monitoring stations near the Hadera Power Plant, comparing pollutant concentrations before (2015) and after (2019) the installation of abatement systems. Hourly averages of NOx, NO2, and SO2 concentrations were computed and analyzed using Wilcoxon's paired test and linear regression models. Results showed significant decreases in overall pollutant concentrations following the installation of abatement systems. Total average NOx concentrations decreased from 11.68 to 6.88 ppb in summer and from 9.78 to 7.38 ppb in winter. Similar reductions were observed for NO2 and SO2. Monitoring Stations data -specific analysis revealed statistically significant decreases in 86.7% of all comparisons. Furthermore, in 21 out of 22 linear regression models, the variable indicating the installation of the abatement systems was negatively associated with the pollutants' concentrations. These findings demonstrate the effectiveness of abatement technologies in reducing air pollution from power plants, supporting their implementation as a viable strategy for improving air quality and protecting public health in areas near coal-fired power plants.

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来源期刊
Integrated Environmental Assessment and Management
Integrated Environmental Assessment and Management ENVIRONMENTAL SCIENCESTOXICOLOGY&nbs-TOXICOLOGY
CiteScore
5.90
自引率
6.50%
发文量
156
期刊介绍: Integrated Environmental Assessment and Management (IEAM) publishes the science underpinning environmental decision making and problem solving. Papers submitted to IEAM must link science and technical innovations to vexing regional or global environmental issues in one or more of the following core areas: Science-informed regulation, policy, and decision making Health and ecological risk and impact assessment Restoration and management of damaged ecosystems Sustaining ecosystems Managing large-scale environmental change Papers published in these broad fields of study are connected by an array of interdisciplinary engineering, management, and scientific themes, which collectively reflect the interconnectedness of the scientific, social, and environmental challenges facing our modern global society: Methods for environmental quality assessment; forecasting across a number of ecosystem uses and challenges (systems-based, cost-benefit, ecosystem services, etc.); measuring or predicting ecosystem change and adaptation Approaches that connect policy and management tools; harmonize national and international environmental regulation; merge human well-being with ecological management; develop and sustain the function of ecosystems; conceptualize, model and apply concepts of spatial and regional sustainability Assessment and management frameworks that incorporate conservation, life cycle, restoration, and sustainability; considerations for climate-induced adaptation, change and consequences, and vulnerability Environmental management applications using risk-based approaches; considerations for protecting and fostering biodiversity, as well as enhancement or protection of ecosystem services and resiliency.
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