E3.04 Vatankhah 2018 ReNUWIt Annual Meeting Poster

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The selection of appropriate purification technologies for the potable reuse of municipal wastewater effluent is an important component of water resource management. In this study, a fully automated high-pressure bench-scale membrane system was used to investigate the impact of pre- ozonation of wastewater effluent on nanofiltration (NF) fouling during reuse applications. A commercial polyamide NF membrane was employed to evaluate the impact of pre-ozonation on fouling and determine an effective specific ozone dose. The results indicated that pre-ozonation of sequencing batch reactor membrane bioreactor (SBMBR) effluent with a relatively low specific ozone dose (0.2 mg O3/mg DOC) could effectively mitigate a significant portion of fouling on the membrane compared to filtration without pre-ozonation. However, increasing the specific ozone dose to 0.4 mg O3/mg DOC did not provide a significant additional benefit. The dissolved organic carbon removal performance of the NF membrane did not show a substantial change when pre-ozonation was applied and remained relatively constant which may be due to the relatively low applied specific ozone dose. Organic fouling was suspected to be the main fouling mechanism during SBMBR filtration with NF membrane


Type of resource other
Date created May 2018


Author Vatankhah, Hooman
Author Murray, Conner
Author Bellona, Christopher


Subject Re-inventing the Nation’s Urban Water Infrastructure
Subject ReNUWIt
Subject E3.04
Subject Efficient Engineered Systems
Subject Direct potable reuse
Subject Golden
Subject Colorado
Subject adsorption
Subject advanced oxidation
Subject biodegradation
Subject catalyst
Subject cell cytotoxicity
Subject decomposition
Subject drinking water
Subject endocrine disruptor
Subject membrane fouling
Subject micropollutants
Subject nanofiltration
Subject natural organic matter
Subject ndma
Subject organic matter
Subject ozonation
Subject potable reuse
Subject reverse osmosis membranes
Subject secondary effluent
Subject surface water
Subject transformation products
Subject treatment trains
Subject urban water
Subject wastewater

Bibliographic information

Related Publication Vatankhah, H., Murray, C. C., Brannum, J. W., Vanneste, J., & Bellona, C. (2018). Effect of pre-ozonation on nanofiltration membrane fouling during water reuse applications. Separation and Purification Technology, 205, 203-211. http://doi.org/10.1016/j.seppur.2018.03.052
Related Publication Vatankhah, H., Riley, S. M., Murray, C., Quinones, O., Steirer, K. X., Dickenson, E. R. V., & Bellona, C. (2019). Simultaneous ozone and granular activated carbon for advanced treatment of micropollutants in municipal wastewater effluent. Chemosphere, 234, 845-854. http://doi.org/10.1016/j.chemosphere.2019.06.082
Related Publication Vatankhah, H., Szczuka, A., Mitch, W. A., Almaraz, N., Brannum, J., & Bellona, C. (2019). Evaluation of Enhanced Ozone-Biologically Active Filtration Treatment for the Removal of 1,4-Dioxane and Disinfection Byproduct Precursors from Wastewater Effluent. Environmental Science & Technology, 53(5), 2720-2730.http://doi.org/10.1021/acs.est.8b06897
Location https://purl.stanford.edu/xx384gg7417

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Preferred Citation
Vatankhah, H., Murray, C.C., and Bellona, C. (2018). E3.04 Vatankhah 2018 ReNUWIt Annual Meeting Poster. Stanford Digital Repository. Available at: https://purl.stanford.edu/xx384gg7417


Re-inventing the Nation's Urban Water Infrastructure (ReNUWIt)

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