Performance evaluation of a submerged membrane bioreactor for the treatment of brackish oil and natural gas field produced water |
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Authors: | Borte Kose Hale Ozgun Mustafa Evren Ersahin Nadir Dizge Derya Y. Koseoglu-Imer Burcu Atay Recep Kaya Mahmut Altınbas Sema Sayılı Pelin Hoshan Doga Atay Esra Eren Cumali Kinaci Ismail Koyuncu |
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Affiliation: | 1. Department of Environmental Engineering, Civil Engineering Faculty, Istanbul Technical University, 34469, Maslak, Istanbul, Turkey;2. National Research Center on Membrane Technologies, Istanbul Technical University, 34469, Maslak, Istanbul, Turkey;3. Department of Water Management, Section Sanitary Engineering, Delft University of Technology, PO Box 5048, 2600 GA Delft, The Netherlands;4. Gebze Institute of Technology, Department of Environmental Engineering, 41400 Gebze, Kocaeli, Turkey;5. Turkish Petroleum Corporation, Sö?ütözü, 2180nd Avenue No: 86, 06100 Çankaya, Ankara, Turkey |
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Abstract: | Produced water, which is co-produced during oil and gas manufacturing, represents one of the largest sources of oily wastewaters. Therefore, treatment of this produced water may improve the economic viability and lead to a new source of water for beneficial use. In this study a submerged hollow fiber membrane bioreactor (MBR) has been studied experimentally for the treatment of brackish oil and natural gas field produced water. This type of wastewater is also characterized with relatively moderate to high amount of salt, oil and total petroleum hydrocarbons (TPH). However, the bacteria which are growing in conventional activated sludge and MBR cannot survive at these strict conditions, therefore acclimation of the bacteria is of vital importance. The performance of the biological system, membrane permeability, the rate and extent of TPH biodegradability have been investigated under different sludge age and F/M ratios. The results obtained by gas chromatography analyses showed that the MBR system could be very effective in the removal of TPH from produced water and a significant improvement in the effluent quality was achieved. |
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