Evaluation of the Downwind Dispersion of Particulate Matter from Cement Manufacturing Facilities in Athi River, Machakos County, Kenya

Jermaine O. Omulami, Patrick K. Tum, Rachael E. N. Njogu, Dickson M. Andala, George O. Achieng’
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Abstract

In this study, the transportation and dispersion of particulate matter (TSP, PM 10 and PM 2.5) from two cement milling and grinding facilities (Cement Factory 1, CF1 and Cement Factory 2, CF2) was determined using AERMOD software. Isokinetic sampling based on Environmental Protection Agency (EPA) standard methods 1 through 5 was used to determine the emission rates from the stationary emission sources. The results showed that the peak maximum concentration of particulate matter (TSP, PM 10 and PM 2.5) was below the permissible limits under the EMCA, 2014 and WHO Air Quality Guidelines, 2021.
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肯尼亚马查科斯县阿蒂河水泥生产设施颗粒物下风扩散评估
本研究使用 AERMOD 软件确定了两个水泥粉磨设施(水泥厂 1,CF1 和水泥厂 2,CF2)的颗粒物(TSP、PM 10 和 PM 2.5)的输送和扩散情况。根据环境保护局(EPA)标准方法 1 至 5,采用等速采样法确定固定排放源的排放率。结果显示,颗粒物(TSP、PM 10 和 PM 2.5)的最大峰值浓度低于 2014 年《环境空气质量管理法》和 2021 年《世界卫生组织空气质量准则》的允许限值。
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