Pilot treatment trials for different oilfeld produced waters in Oman

Masaharu Tasaki, Kazuo Okamura, Mark Sueyoshi, Rashid Al-Maamari

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

During the oil production process, oily waste water is coproduced at a rate several times that of oil. This water is known as produced water. Treatment levels and technologies are selected based on disposal method or reutilization objectives, environmental impacts, economics, and other such factors. A 50 m3/day capacity pilot plant was designed, fabricated, and utilized to conduct produced water treatment trials. Pilot treatment trials of produced water from three different oilfelds in Oman were carried out by nitrogen microbubble flotation in conjunction with coagulation/flocculation. Filtration and adsorption treatment processes were tested as well. Oil concentration in one of the produced waters was reduced to below the Omani standard for re-use, through flotation combined with flocculation/coagulation. Oil concentrations in the other two produced waters, which had higherinitial concentrations, were reduced to below the Omani standard for marine discharge. With additional adsorption treatment, these concentrations were further reduced of the level of the re-use standard as well. Additionally, aeration treatment was effective for removal of sulfur compounds such as sulfde from produced water.

Original languageEnglish
Pages (from-to)406-413
Number of pages8
JournalJournal of the Japan Petroleum Institute
Volume56
Issue number6
DOIs
Publication statusPublished - 2013

Fingerprint

Flocculation
Coagulation
Flotation
Adsorption
Sulfur compounds
Pilot plants
Water treatment
Environmental impact
Produced Water
Wastewater
Nitrogen
Economics
Oils
Water

Keywords

  • Adsorption
  • Filtration
  • Flotation
  • Microbubble
  • Oil removal
  • Oilfeld produced water

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Fuel Technology

Cite this

Pilot treatment trials for different oilfeld produced waters in Oman. / Tasaki, Masaharu; Okamura, Kazuo; Sueyoshi, Mark; Al-Maamari, Rashid.

In: Journal of the Japan Petroleum Institute, Vol. 56, No. 6, 2013, p. 406-413.

Research output: Contribution to journalArticle

Tasaki, Masaharu ; Okamura, Kazuo ; Sueyoshi, Mark ; Al-Maamari, Rashid. / Pilot treatment trials for different oilfeld produced waters in Oman. In: Journal of the Japan Petroleum Institute. 2013 ; Vol. 56, No. 6. pp. 406-413.
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