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.
Optimization and Process Changes Achieve Membrane Integrity, Reliability, Increase Membrane Life and Save Capital
Designing a membrane plant with the right parameters ensures that finished water production and water quality goals are achieved while minimizing unforeseen, premature and costly membrane module replacements. However, even […]
Elucidating Structure-Performance Relationships and Transport Mechanisms of Charge Mosaic Membranes
Lessons From an Expansion of a Dual-Membrane Surface Water Plant
This dual membrane plant was designed in a time when many dual membrane plants were being designed. Now, with changes in technology the designer is faced with challenges. How do […]
Back to the Future: Achieving Membrane Quality Water With Granular Media Filter Simplicity
This paper focuses on a novel technology, blending the high-treated water quality of a membrane with the simplicity of a granular media filter. This ?MGF? technology is a direct replacement […]
