Cleaning of ceramic membranes for produced water filtration

T. Zsirai, H. Qiblawey, P. Buzatu, Jaber Al Marri, S. J. Judd

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The application of ceramic microfiltration membranes to the tertiary treatment of produced water from an Arabian Gulf oilfield has been studied using a dedicated pilot plant. Studies were based on a previously published protocol in which the retentate stream was recycled so as to successively increase the feed concentration throughout the experimental run. Chemical cleaning in place (CIP) was applied between each run and the flux and permeability recovery recorded for various cleaning protocols studied, the CIP being based on the combination of caustic soda (NaOH) and citric acid. Surface analysis of the membrane, and specifically its hydrophilicity, was also conducted. Results indicated the main influencing factor on permeability recovery from the CIP to be the employment of backflushing during the CIP itself. A final flux of 700 L m−2 h−1 was sustained through the application of 6 wt% NaOH with 6 wt% citric acid combined with backflushing at approximately twice the rate of the filtration cycle flux. A consideration of the impact of this flux value on the viability of two commercially-available ceramic membrane technologies indicated the footprint incurred to be slightly lower than that of the upstream induced gas flotation technology and corroborated a previously published estimate. The flux was sustained despite surface analysis indicating a loss of the innate hydrophilicity of the ceramic membrane.

Original languageEnglish
Pages (from-to)283-289
Number of pages7
JournalJournal of Petroleum Science and Engineering
Volume166
DOIs
Publication statusPublished - 1 Jul 2018

Fingerprint

Water filtration
Ceramic membranes
ceramics
Cleaning
Fluxes
membrane
citric acid
Citric acid
Surface analysis
Hydrophilicity
permeability
water
Membranes
Chemical cleaning
Caustic soda
Recovery
Membrane technology
footprint
Microfiltration
viability

Keywords

  • Ceramic membranes
  • Chemical cleaning
  • Flux
  • Footprint
  • Produced water

ASJC Scopus subject areas

  • Fuel Technology
  • Geotechnical Engineering and Engineering Geology

Cite this

Cleaning of ceramic membranes for produced water filtration. / Zsirai, T.; Qiblawey, H.; Buzatu, P.; Al Marri, Jaber; Judd, S. J.

In: Journal of Petroleum Science and Engineering, Vol. 166, 01.07.2018, p. 283-289.

Research output: Contribution to journalArticle

Zsirai, T. ; Qiblawey, H. ; Buzatu, P. ; Al Marri, Jaber ; Judd, S. J. / Cleaning of ceramic membranes for produced water filtration. In: Journal of Petroleum Science and Engineering. 2018 ; Vol. 166. pp. 283-289.
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