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Hydrogen sulphide emissions and dispersion modelling from a wastewater reservoir using flux chamber measurements and AERMOD® simulations
Atmospheric Environment ( IF 5 ) Pub Date : 2020-03-01 , DOI: 10.1016/j.atmosenv.2020.117263 C. Moreno-Silva , D.C. Calvo , N. Torres , L. Ayala , M. Gaitán , L. González , P. Rincón , M. Rodríguez Susa
Atmospheric Environment ( IF 5 ) Pub Date : 2020-03-01 , DOI: 10.1016/j.atmosenv.2020.117263 C. Moreno-Silva , D.C. Calvo , N. Torres , L. Ayala , M. Gaitán , L. González , P. Rincón , M. Rodríguez Susa
Abstract Odours associated with hydrogen sulphide (H2S) have been a concern in the municipality of Sibate (Colombia) over the last decades. With the aim of determining the odour impact of Muna's reservoir, different H2S emission sources were evaluated and simulated. H2S surface emission rates from Muna's reservoir were estimated using the Flux Chamber experimental method. Meteorological conditions and emission rates were then fed to the AERMOD® model to identify the contribution of Muna's reservoir on H2S concentration in Sibate’s urban area. These results were compared and calibrated with real time H2S atmospheric concentration data. The average H2S emission rate was 1,886 μg/(min·m2), which primarily affects the municipality when wind direction is towards the south. The results of this study demonstrated the applicability of the AERMOD® model and flux chamber measurements in predicting H2S behaviour in the Sibate region.
中文翻译:
使用通量室测量和 AERMOD® 模拟对废水水库的硫化氢排放和扩散进行建模
摘要 在过去的几十年里,与硫化氢 (H2S) 相关的气味一直是 Sibate(哥伦比亚)市政府关注的问题。为了确定 Muna 水库的气味影响,对不同的 H2S 排放源进行了评估和模拟。Muna 水库的 H2S 表面排放率是使用通量室实验方法估算的。然后将气象条件和排放率输入 AERMOD® 模型,以确定 Muna 水库对 Sibate 市区 H2S 浓度的影响。这些结果与实时 H2S 大气浓度数据进行了比较和校准。H2S 的平均排放率为 1,886 μg/(min·m2),主要在风向向南时影响城市。
更新日期:2020-03-01
中文翻译:
使用通量室测量和 AERMOD® 模拟对废水水库的硫化氢排放和扩散进行建模
摘要 在过去的几十年里,与硫化氢 (H2S) 相关的气味一直是 Sibate(哥伦比亚)市政府关注的问题。为了确定 Muna 水库的气味影响,对不同的 H2S 排放源进行了评估和模拟。Muna 水库的 H2S 表面排放率是使用通量室实验方法估算的。然后将气象条件和排放率输入 AERMOD® 模型,以确定 Muna 水库对 Sibate 市区 H2S 浓度的影响。这些结果与实时 H2S 大气浓度数据进行了比较和校准。H2S 的平均排放率为 1,886 μg/(min·m2),主要在风向向南时影响城市。