Treatment of produced water originated from oil and gas production wells: a pilot study and cost analysis

Mustafa Evren Ersahin*, Hale Ozgun, Recep Kaya, Borte Kose Mutlu, Cumali Kinaci, Ismail Koyuncu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)


Produced water originated from oil and gas production wells was treated by a pilot-scale system including pre-treatment (chemical precipitation), pre-filtration, and post-filtration units. Pre-filtration unit consisted of sand filter, granulated activated carbon (GAC) filter, and ultrafiltration (UF) membrane. Post-filtration unit included reverse osmosis (RO) membrane unit. In this study, two different RO membranes including sea water (SW) and brackish water (BW) membranes were comparatively evaluated in terms of treatment and filtration performance. Besides, a cost analysis was conducted for a real scale RO membrane unit by using the data obtained from the pilot plant study. Average fluxes of 12.7 and 9.4 L/m2 h were obtained by SW and BW membrane units, respectively. Higher COD and conductivity removal efficiencies were obtained by SW membrane in comparison to BW membrane. Total cost of 0.88 €/m3 was estimated for a RO plant treating produced water with a flowrate capacity of 300 m3/d.

Original languageEnglish
Pages (from-to)6398-6406
Number of pages9
JournalEnvironmental Science and Pollution Research
Issue number7
Publication statusPublished - 1 Mar 2018

Bibliographical note

Publisher Copyright:
© 2017, Springer-Verlag GmbH Germany, part of Springer Nature.


Acknowledgments The authors thank Turkish Petroleum Corporation (TPAO) for providing the produced water. This study was financially supported by the Scientific and Technological Research Council of Turkey (TUBITAK) under the Project No. 107G091.

FundersFunder number
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu


    • Cost analysis
    • Pilot plant
    • Produced water
    • Reverse osmosis
    • Ultrafiltration


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