Treatment of refinery wastewater: Current status and prospects

Hongliang Guo, Qing Qin, Mingzhe Hu, Jo Shu Chang, Duu Jong Lee

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


The continuous increase in petroleum refining wastewater production poses a significant challenge to protecting the water environment. The comprehensive review of petroleum refining wastewater treatment processes, particularly on the cutting-edge treatment technologies, treatment efficiency, and pollutant degradation mechanisms, must be provided. This article offers such a review for filling up the literature gap. The current technologies, including the traditional pre-treatments, primary, secondary, and tertiary treatments, the combined treatments, and the wetland treatment processes, were discussed in detail. The challenges encountered in current practice, with the future research needs to overcome the challenges, were then outlined. The emerging research trend including the use of artificial intelligence technology for enhancing the petroleum refining wastewater treatment performance was also highlighted.

Original languageEnglish
Article number112508
JournalJournal of Environmental Chemical Engineering
Issue number2
Publication statusPublished - 2024 Apr

All Science Journal Classification (ASJC) codes

  • Chemical Engineering (miscellaneous)
  • Waste Management and Disposal
  • Pollution
  • Process Chemistry and Technology


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