Journal
DESALINATION
Volume 315, Issue -, Pages 18-26Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.desal.2012.12.004
Keywords
Produced water; Wastewater reuse; Water quality; Hydrophilic membrane
Categories
Funding
- [DIP-2012-001]
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This study compared the filtration of produced water using two new and highly hydrophilic nanofiltration (NF) and reverse osmosis (RO) membranes to assess removal efficiency in pre-and-post-filtration processes, and to compare the quality of water obtained against standards for reuse as indirect potable water. The results show that NF membrane successfully attains 96% of overall drinking water standards, despite its inefficiency in removing boron, molybdenum and ammonia. The study also found that the NF membrane can be used as a pre-treatment for the RO membrane to produce high quality water and reduce contaminant concentrations, thereby minimizing the potential for fouling. In contrast, the produced water treated by the RO membrane successfully met the regulatory quality standards for drinking water, with the exception of the parameters for ammonia and molybdenum. The study concluded that treated produced water has potential for reuse as indirect potable water and that both of the hydrophilic NF and RO membranes studied are suitable for treating produced water to yield a promising source of water. (C) 2012 Elsevier B.V. All rights reserved.
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