Low-Cost Recovery of Blowdown Water in Power Generation Facilities Using the CERRO Process
One of the largest uses of water in the United States and the world is for cooling systems in power generation. Closed-cycle cooling towers produce a concentrated water stream (called […]
Safe Drinking Water for Po Plume, Haiti
This project will provide 2,000 gallons per day of clean drinking water for the residents of Po Plume, Haiti, a community of about 500 people with no electricity whose only […]
Secondary Reverse Osmosis Treatment for Three El Paso Water Wells
In an arid and desert environment, water mangement is a challenge for all local public water systems, including El Paso Water. Any potable water treatment process that involves reverse osmosis […]
TCEQ Regulatory Updates for Desalination in Texas
In July 2015, the TCEQ changed the process for public water systems to receive approval to build and operate reverse osmosis (RO) and nanofiltration (NF) facilities. The July 2015 rule […]
Water Supply Challenges & Desalination Alternatives
Throughout the state of Chihuahua, we find Arsenic concentrations of 0.5 mg/l and Fluor up to 7.0 mg/l. The governmental response for small rural communities is using Reverse Osmosis Plants, […]
Choosing the Right Membranes for Future Water Treatment Challenges
The field of commercially available membrane products is vast and expanding. In the early 2000’s the majority of the market share was held by 3 to 4 suppliers each offering […]
Lifetime-of-Service Award
2018 Ian Watson, RosTek Associates, Inc. Presented to Ian Watson by Harold Fravel. Given in recognition pioneering and/or lifetime contribution by an individual to the field of membrane technology.
Exploring RO’s Inner Net
Guest Column | March 14, 2018 | Reproduced with Permission of Water Online By: Harold G. Fravel Jr., Executive Director, American Membrane Technology Association (AMTA) and Karen Lindsey, Vice President, Avista […]
Membrane Surface Energy Required to Delay Gypsum Scaling in Brackish Water Reverse Osmosis Systems
This presentation will discuss efforts to investigate the favorable role of a high surface energy to delay the crystallization and adsorption of gypsum to thin-film composite membranes at concentrations relevant […]
Strategic Separation of Polyvalent Cations Using Nanofiltration Membranes
Recovery of rare earth elements (REEs) from oil and gas produced waters could ease the United States dependence on China’s current domination in REE production. Furthermore, NF separation practices could […]
