Recovery of gas waste from the petroleum industry: a review

Ftwi Y. Hagos*, Abd Rashid Abd Aziz, Ezrann Zharif Zainal, M. Mofijur, Shams Forruque Ahmed

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

2 Citations (Scopus)

Abstract

Globally, 150–170 billion cubic metres of gas are being flared annually from petroleum refineries, petrochemical industries and from landfills. In this paper, we critically review the flaring technology, the impact of flare gas on the environment, and recovery options. We also discuss flare gas challenges such as technical, structural, economic, and regulatory challenges. We found that ground flaring is preferred whenever the facility is situated in a highly populated area or close to an aviation zone. Gas flaring produces major pollutants including benzene, benzopyrene and toluene. The recovery of this gas should be intensified to minimise impacts.

Original languageEnglish
Pages (from-to)263-281
Number of pages19
JournalEnvironmental Chemistry Letters
Volume20
Issue number1
DOIs
Publication statusPublished - Nov 13 2021

Keywords

  • Associated gas
  • Carbon dioxide emission
  • Flare emission
  • Flare gas
  • Gas recovery
  • Methane emission

ASJC Scopus subject areas

  • Environmental Chemistry

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