Design of a sensitive air quality monitoring network using an integrated optimization approach |
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| Authors: | Khaled Zoroufchi Benis Esmaeil Fatehifar Sirous Shafiei Fatemeh Keivani Nahr Yaser Purfarhadi |
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| Institution: | 1.Faculty of Chemical Engineering, Environmental Engineering Research Center,Sahand University of Technology,Tabriz,Iran |
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| Abstract: | A new method is developed to design a multi-objective and multi-pollutant sensitive air quality monitoring network (AQMN) for an industrial district. A dispersion model is employed to estimate the ground level concentration of the air pollutants emitted from different emission sources. The primary objective of AQMN is providing the maximum information about the pollutant with respect to (1) maximum coverage area, (2) maximum detection of violations over ambient air standards and (3) sensitivity of monitoring stations to emission sources. Ant Colony Optimization algorithm (ACO) and Genetic Algorithm (GA) are adopted as the optimization tools to identify the optimal configuration of the monitoring network. The comparison between the results of ACO and GA shows that the performance of both algorithms is acceptable in finding the optimal configuration of AQMN. The application of the method to a network of existing refinery stacks indicates that three stations are suitable to cover the study area. The sensitivity of the three optimal station locations to emission sources is investigated and a database including the sensitivity of stations to each source is created. |
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