Flashing Losses Emission Evaluation from Crude Oil Storage Tanks

Document Type : Original Article

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Egyptian Petroleum Research Institute

Abstract

Evaporation is a natural phenomenon describing when a liquid turns into gas. Evaporation from roof storage tanks is a major source of product loss in the crude oil industry. Evaporation is a natural phenomenon describing when a liquid turns into a gas. A liquid will tend to evaporate depending on its vapor pressure. A liquid’s vapor pressure is dependent on the surface temperature and composition of the liquid. Evaporation losses should be minimized to help maximize company revenue, meet regulatory requirements, and reduce greenhouse gas. This flashing loss is measured by carrying out the extensive experimental test. Therefore, this paper covers how to estimate oil flashing losses emissions factor (FLEF) percentage for crude oil storage tanks by using the new equation technique to minimize human errors. This statistical technique is a linear association between possible variables to assess flashing loss percentage as a function of operating temperature, sample point height (H1), oil tank height (H2), gas/oil ratio, gas gravity and oil gravity. A good result was obtained from the proposed equation as compared with popular equations by using graphical and statistical exactness. Lastly, modeling testing is ensuring excellent agreement with laboratory work by using new different samples.

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History

  • Receive Date: 24 February 2020
  • Revise Date: 18 April 2020
  • Accept Date: 27 April 2020

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