High-Turbidity Backwash Waste Recovery for Potable Use at Surface Water Treatment Plant
A common complaint for water treatment operators when it comes to hollow-fiber MF/UF systems is the frequent repairs and production downtime needed for fiber breakage issues. At a Midwestern surface […]
That’s a Good-looking 4th Stage on Your RO System
This presentation uses operations at an existing 10 mgd inland desalter facility (with an additional 10 mgd expansion currently being designed) and analysis from a four-stage pilot system to outline […]
MBR Direct Integrity Testing: An Initial Data Analysis Perspective for Application
This presentation presents data and application perspective on how to apply a DIT in a MBR setting. It’s value is in presenting a data-driven perspective to the application of DIT […]
Operating Experience of the West Basin Edward C. Little Water Recycling Facility Phase V Expansion
The West Basin Municipal Water District?s Edward C. Little Water Recycling Facility (ECLWRF) located in El Segundo, CA is a world class facility that produces four qualities of recycled water […]
Reverse Osmosis Brine Treatment by Splitting Scaling Salts: Low-Cost Alternatives to Recover Freshwater and Produce Solids
There are thousands of implementations of reverse osmosis (RO) treating industrial water. However, options for treating RO brine are limited. The proposed paper will introduce two novel technologies for residuals […]
Groundwater Replenishment System Final Expansion Project Challenges
The OCWD has approved the final expansion project of the Groundwater Replenishment System to produce 130 million gallons per day of purified water. This final expansion will bring the GWRS […]
Innovative approach to controlling biological and organic fouling of membrane systems.
The objective of this study is to lower the energy and chemical use for the Full Advanced Train, required in California for potable reuse. The study offers an innovative approach […]
Improving Quality and Alternative Reuse Strategies for Effluent WWTP With Ceramic Membrane
In the recent years, a new advanced treatment train including ozonation and ceramic microfiltration has been piloted. This pilot study evaluates the impact of combined ion exchange and ozonation pre-treatment […]
Treatment of Reverse Osmosis Brine Through Chemistry
This presentation is about how to use the chemistry we know in brine water to solve scale build-up attributable to long disposal lines, inconsistent flows, and the introduction of air. […]
Finding a Path to Membrane Pricing Competition for Replacement and Expansion of a 15-MGD Horizontal UF System
Provides an update on EPWWS’s experience regarding membrane replacement, including the approach to obtaining TCEQ approval, direct integrity testing, lessons learned, and operational implications.
