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Atmospheric pollutants and air quality effects: limitation costs and environmental advantages (a cost-benefit approach)

机译:大气污染物和空气质量影响:限制成本和环境优势(成本效益方法)

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摘要

In order to improve the air quality in some very critical areas in Europe, it is required to limit the contaminant flux coming from different sources (thermal and industrial plants, transport systems, cars, and other technological apparatus). This limitation in many cases corresponds to important investment costs, and normally to a substantial increase in the operative costs; but, from the other side, by the intervention on the emitted pollutant loads it can be obtained a condition of better air quality, with consequent lower externality costs, chiefly with reference to the exposed population. By comparing the two aspects of increasing costs, and in particular the slope of the increasing trend, and from the other side the improvement in air quality, it is possible to identify as a compromise a convenient definition of the optimal intervention that must be realized, and it is possible to establish the performances that must be obtained, by arriving to an acceptable air quality with a sustainable cost. This strategy of identification of the optimal point between these two opposite trends has been illustrated in the present work, and some practical examples of implementation of different limitation strategies and consequent environmental results are presented; these results concern different scale solutions, and different geographic situations.
机译:为了改善欧洲一些非常关键地区的空气质量,需要限制来自不同来源(热力和工业设施,运输系统,汽车和其他技术设备)的污染物通量。在许多情况下,这种限制对应于重要的投资成本,并且通常对应于运营成本的大幅增加;但是,另一方面,通过对排放的污染物负荷进行干预,可以达到改善空气质量的条件,从而降低外部成本,主要是针对暴露人群。通过比较成本增加的两个方面,尤其是上升趋势的斜率,以及从另一侧比较空气质量的改善,有可能将必须实现的最佳干预的方便定义定义为折衷方案,通过以可持续的成本达到可接受的空气质量,可以建立必须获得的性能。在当前的工作中已经说明了识别这两个相反趋势之间最佳点的策略,并给出了一些实施不同限制策略和随之而来的环境结果的实际例子;这些结果涉及不同规模的解决方案和不同的地理环境。

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