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The biological treatment of high salinity synthetic oilfield produced water in a submerged membrane bioreactor using a halophilic bacterial consortium
Journal of chemical technology and biotechnology (1986), 2013-11, Vol.88 (11), p.2016-2026
Sharghi, Elham Abdollahzadeh
Bonakdarpour, Babak
Roustazade, Pegah
Amoozegar, Mohammad A.
Rabbani, Ahamad R.
2013
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Sharghi, Elham Abdollahzadeh
Bonakdarpour, Babak
Roustazade, Pegah
Amoozegar, Mohammad A.
Rabbani, Ahamad R.
Titel
The biological treatment of high salinity synthetic oilfield produced water in a submerged membrane bioreactor using a halophilic bacterial consortium
Ist Teil von
Journal of chemical technology and biotechnology (1986), 2013-11, Vol.88 (11), p.2016-2026
Ort / Verlag
Chichester, UK: John Wiley & Sons, Ltd
Erscheinungsjahr
2013
Quelle
Wiley Online Library - AutoHoldings Journals
Beschreibungen/Notizen
Background Produced water (PW) is the most important wastewater of the oil industry and if disposed of without adequate treatment can cause serious environmental pollution. Biological treatment is one option explored in recent years for treatment of PW but traditional biological processes potentially fail when the salinity level of the PW is high. In the present study, a halophilic bacterial consortium was employed for treatment of high salinity synthetic PW in a membrane bioreactor (MBR). Results During the 112 days operation of the MBR at hydraulic retention time (HRT) and sludge retention time (SRT) of 48 h and 80 days respectively, there was a consistently low turbidity in the MBR effluent. Oil and grease (O&G) content of the effluent was also consistently below international limits for discharge to the sea or re‐injection to oil wells. With increase in organic loading rate from 0.3 to 0.9 kg COD m−3 d−1, O&G removal efficiency increased from 89.2% to 95.5% whereas chemical oxygen demand (COD) removal efficiency (c. 83%) did not change. Also, the transmembrane pressure during operation of the MBR remained in the range 1–2 kPa. Conclusion The results of the present study indicate the very good potential of the MBR, both in terms of removal performance and membrane fouling, for treatment of high salinity PW. © 2013 Society of Chemical Industry
Sprache
Englisch
Identifikatoren
ISSN: 0268-2575
eISSN: 1097-4660
DOI: 10.1002/jctb.4061
Titel-ID: cdi_proquest_miscellaneous_1642289415
Format
–
Schlagworte
Applied sciences
,
Bacteria
,
Biological
,
Biological and medical sciences
,
biological treatment
,
Bioreactors
,
Biotechnology
,
Chemical engineering
,
Crack opening displacement
,
Effluents
,
Exact sciences and technology
,
Fundamental and applied biological sciences. Psychology
,
halophilic bacteria
,
membrane bioreactor (MBR)
,
Membranes
,
Methods. Procedures. Technologies
,
organic loading rate (OLR)
,
Others
,
produced water (PW)
,
Reactors
,
Salinity
,
Various methods and equipments
,
Waste water
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