Reverse Osmosis

Design and Care of Reverse Osmosis Systems, Part 2: Upstream Equipment

Reverse osmosis (RO) systems offer power plant owners and operators a reliable and well-proven water treatment solution. However, designing and caring for an RO system requires a thorough understanding of a plant’s water supply and the technology’s capabilities. The information presented here could help plant engineers design and optimize an RO system to match their needs. The success of a new RO [...]

Design and Care of Reverse Osmosis Systems, Part 1: Design

Reverse osmosis (RO) systems offer power plant owners and operators a reliable and well-proven water treatment solution. However, designing and caring for an RO system requires a thorough understanding of a plant’s water supply and the technology’s capabilities. Part one of this series will review the importance of water samples and pilot studies as plant engineers begin to design an RO system to match [...]

Boiler Feedwater – Making the Case for Reverse Osmosis

Boiler feedwater is comprised of two very important, and increasingly expensive resources, steam condensate return and city (or well) makeup water. The condensate is valuable due to low electrical conductance, purity and high temperature. The makeup water is valuable because it is being overused and under conserved in many parts of the country, making the cost of water rise in almost all parts of the United States. [...]

Protecting Your Power Plant from Corrosion During Downtime

In the Power industry, every minute is critical. A smooth plant start-up is vital to operations, and directly linked to lay-up procedures. A thorough understanding of critical lay-up and start-up strategies & procedures, paired with a proper corrosion control protection program can prevent unscheduled downtime, reduce operating costs and increase plant reliability. In the gas fired combined cycle market, [...]

Power Plant Water Treatment System Restored After a Decade of Non-Use

After ten years of inactivity, a midwestern combined cycle power plant needed to bring its water treatment system back into operation. The previous equipment had been sitting idle after the previous owner went bankrupt, and required major cleanup and upgrades. While other water treatment companies were offering a chemical exclusive program, it was evident the plant would require a complete integrated solution to once [...]

Feed Mill Facility Increases Efficiency and Reduces Chemical Usage with EnergyOUT™

A Midwest Feed Mill was treating its incoming well water for high levels of alkalinity with amine chemical. Unfortunately, amine is one of the most expensive chemicals used in water treatment. If the facility chose not to treat the well water for alkalinity, it could result in failure of the condensate return lines, a costly plant shutdown and capital equipment replacement expenses. U.S. Water’s EnergyOUT system [...]

Integrated Offering Achieves High Recovery Rates and Low Discharge Rates at Food & Beverage Plant

As a Midwestern food and beverage plant expanded, they found themselves outgrowing their previous water treatment footprint. While their production had significantly increased, their discharge permits did not. The Reverse Osmosis (RO) and Clean-in-Place (CIP) systems were approximately ten years old and built for smaller demand and production output. The controls and analytics had become antiquated and required [...]

U.S. Water’s EnergyOUT™, an Integrated Water Management Solution for Boilers

Often, plants are looking to increase their steam boiler efficiency but do not have a sufficient capital equipment budget for a new Reverse Osmosis (RO) system. To meet this need, U.S. Water has created EnergyOUT, a complete integrated solution available through an operating lease. This alterative solution includes equipment, standard service, and chemicals (including consumables) for a set, monthly cost. [...]

Greenfield Water Treatment System Reduces Chemical Handling & Improves Efficiency

The coal-fired Alliant Energy/Interstate Power and Light, Lansing Generating Facility's (LAN) water treatment system was over 40 years old. Nearing the end of its life expectancy, the antiquated water treatment equipment was suffering from excessive corrosion, limited replacement part availability and a variety of retrofit materials. Acid and caustic chemicals were used in the existing ion exchange system, [...]

Leaving the World a Better Place with Better Water

April 22 marks the annual worldwide Earth Day celebration. For many individuals, it's a day of action to practice environmental habits or even provoke policy changes. At U.S. Water, Earth Day gives us an opportunity to demonstrate our daily support for environmental protection through responsible water use and sustainable integrated solutions. Water plays an invaluable role in our daily lives for life, food [...]

Caring for Your Pre-Treatment Equipment: RO Membrane Cleaning

As water and energy costs increase, government regulations tighten and environmental stewardship initiatives progress, facilities must continue to enhance their system efficiencies. Reverse Osmosis (RO) equipment is becoming more common in water treatment systems. Unfortunately, even with high quality feed water, RO membrane scaling and fouling is inevitable. Regular cleaning and servicing of your RO system and its [...]

U.S. Water’s EnergyOUT™ Reverse Osmosis Technology Significantly Reduces Laundry Facility’s Water & Energy Consumption

Due to Nevada's ongoing drought conditions, Boyd Gaming Corporation – one of the state’s largest casino operators – began exploring ways to cut back on water and energy consumption at its Central Laundry facility in Henderson, Nev., Working with facility management, U.S. Water surveyed the facility and installed a solution that significantly reduced water, energy and sewer expenses. The [...]

Executive Interview: POWER Magazine

LaMarr Barnes, U.S. Water’s Vice President of Marketing and Business Development, spoke with POWER Magazine during the 2015 PowerGen International Conference. During this short interview LaMarr provided a company update, discussed U.S. Water’s unique PhosZero™ technology, and introduced the SMART Care™ for Membranes Service Program…

Simplifying Reverse Osmosis Operations with U.S. Water’s SMART Care for Membranes

Membrane systems provide significant value to operations by lowering cost of additional water treatment, saving energy in utility operations, or meeting various purity needs for process applications. Membrane systems' impurity removal is further defined by application need and the membrane technology being utilized. Micro filtration (MF) and Ultrafiltration (UF) will effectively remove most suspended solids and [...]

Reverse Osmosis Membrane Advancements

Every day consumers research and identify what goods and services are available in the market for the particular area they are looking for. They buy based on the features they value and the price they are willing to pay. It's not very common that a consumer will buy without some level of evaluation. Contrast that with decisions in the industrial world and many times that level of evaluation doesn't take place. [...]

Trends in Industrial Wastewater Treatment

U.S. Water’s Technical Manager, Gary Engstrom provided insight into wastewater trends for Flow Control Magazine. The article, written by Matt Migliore, appears below. As the scarcity of water becomes a more pressing issue worldwide, the drive for industry to reclaim and reuse wastewater grows more important. Moreover, industry faces increasingly stringent state and federal requirements regulating [...]

Reverse Osmosis (RO) Membrane Autopsy: What You Need to Know

A membrane autopsy is a good description of the analysis that can be performed on a fouled membrane. It can also be the key to determining how to prevent fouling of new membranes and to maximize the efficiency of this key piece of water treatment equipment. U.S. Water Services performs this analysis in-house at our location in Cambridge, Minnesota, and then issues a comprehensive seven page report of the results. The [...]

Preventing Scale Formation in Reverse Osmosis Systems

Reverse osmosis (RO) systems behave similar to a boiler or a cooling tower in that they cause the dissolved salts in their make-up water to become more concentrated.  As pure water permeates the RO membrane, the salts are left behind in a concentrated stream. If the solubility of any particular salt is exceeded, the potential exists that the salt will form scale directly on the membrane surface or possibly within [...]

Reverse Osmosis (RO) Best Practices & Standards

Reverse Osmosis (RO) is a proven technology with new applications for various industries. U.S. Water’s representatives pride themselves on having extensive knowledge of RO unit installation, operations, troubleshooting and cleaning procedures. Let’s review the standards and best practices for RO units by first reviewing the process of osmosis. OSMOSIS: A NATURAL OCCURRENCE Osmosis is a natural [...]

Building A Brighter Tomorrow Today

After a devastating 7.0 magnitude earthquake shook the small country of Haiti on January 12, 2010, over three million people were left without access to safe drinking water. This natural disaster could not have hit a more vulnerable place as Haiti had the unenviable distinction of having the weakest water structure in the western hemisphere prior to the earthquake. There are two main issues surrounding water [...]