Reverse Osmosis Brine from Water Reclamation Plant – Cost Effective Process for Treatment and Recovery
The NEWater production in Singapore generates a reverse osmosis (RO) brine with more than 20% of the feed flow, which is a potential untapped source of water. A Capacitive Deionization (CDI) and an integrated pre-treatment process comprised of biological activated carbon (BAC) with an optional second step of ultrafiltration (UF) used in this study were able to provide 80% water recovery from the RO brine. Integrating the RO brine recovery to the NEWater production could potentially achieve more than 95% total water recovery for the NEWater factory. The fouling rate on CDI was relatively lower using UF effluent as compared with BAC-UF effluent. The combined BAC-UF-CDI process was able to provide more than 85% TDS removal. The total organic carbon (TOC) concentration was comparable to the RO feed water while lower cationic and anionic concentrations were achieved. The RO brine treatment process power consumption is estimated at 0.85 kWh/m3.
No Reference information available - sign in for access.
No Citation information available - sign in for access.
No Supplementary Data.
No Article Media
Document Type: Research Article
Publication date: 2009-01-01
More about this publication?
- Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed. A subscription to the Proceedings of the Water Environment Federation includes access to most papers presented at the annual WEF Technical Exhibition and Conference (WEFTEC) and other conferences held since 2000. Subscription access begins 12 months after the event and is valid for 12 months from month of purchase. A subscription to the Proceedings of the Water Environment Federation is included in Water Environment Federation (WEF) membership.
WEF Members: Sign in (right panel) with your IngentaConnect user name and password to receive complimentary access. Access begins 12 months after the conference or event
- Subscribe to this Title
- Membership Information
- About WEF Proceedings
- WEFTEC Conference Information
- Learn about the many other WEF member benefits and join today
- Ingenta Connect is not responsible for the content or availability of external websites