Estimation of Emission Factors for Sour Gas Flares
Publish place: 07th International Congress on Chemical Engineering
Publish Year: 1390
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICHEC07_703
تاریخ نمایه سازی: 25 فروردین 1394
Abstract:
Gas flares are extensively used to control waste gases in oil and gas processing plants. Practically,flaring results in unregulated release of SO2, H2S and various hydrocarbons and particulates, which are harmful to human and environmental health. In this work, a back–calculation methodwas used to estimate SO2, CO and NO2 emission factors for a typical petroleum sour gas flare. The mean emission factors were estimated as 0.96, 0.97 and 0.020 lb/MMBtu (pound per Million British thermal unit) (0.41, 0.42 and 0.0086 kg/109J) for CO, SO2 and NO2 in an Iranian sour gasflare, respectively. The results showed that, estimated CO emission factor was in a good agreement with reported ARPEL (Regional Association of Oil and Natural Gas Companies in Latin America and the Caribbean) emission factor. However, for SO2 emission factor, fuel analysismethod showed 87% difference from SO2 estimated emission factor. In addition, the results indicated that for the selected gas flare, NO2 emission factor is much lower than published emission factors. The uncertainty analysis showed that due to high uncertainty of dispersion model, the total uncertainty could be higher than 50% for all emission factors.
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Authors
Davood Kahforoushan
Environmental Engineering Research Centre, Faculty of Chemical Engineering, Sahand University of Technology, Tabriz, Iran
Esmaeil Fatehifar
Environmental Engineering Research Centre, Faculty of Chemical Engineering, Sahand University of Technology, Tabriz, Iran
Nematollah Jaafarzadeh haghighi fard
Environmental Engineering Research Centre, Faculty of Chemical Engineering, Sahand University of Technology, Tabriz, Iran
Alireza Masoomi
Environmental Engineering Research Centre, Faculty of Chemical Engineering, Sahand University of Technology, Tabriz, Iran
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