CASE STUDIES AND WHITE PAPERS
The source water in Cudahy, a city just south of Milwaukee, is susceptible to contamination and significantly impacted by agricultural and urban runoff. After a Cryptosporidium outbreak in the early 1990s, improved water quality was vital. A UV solution proved to be the best fit for protection against the contaminant within a restrictive space.
Coming Of Age: UV-C LED Technology Update
Sometimes technology innovations come along which cause a paradigm shift in how products are designed.
Ozone Disinfection System Provides Second Stage Treatment For Water Treatment Plant
Tampa Bay Water’s state-of-the-art surface water treatment plant has provided high-quality drinking water to the Tampa Bay region.
Water Utility Turns To State-Of-The-Art UV Technology To Help Address Drought
The 2013 year was the driest in recorded history with many areas of the San Joaquin Valley reporting groundwater levels more than 100 feet below previous historical lows.
Chicago Suburb Ensures Highest Water Quality Year-Round, Saves On Labor And Reagents With New Chlorine Analyzers
For the Village of Lombard’s Water Division, consistently delivering high-quality tap water to the community’s nearly 44,000 residents and the businesses serving them was once quite a juggling act: constantly fixing old, temperamental analyzers; feeding reagents into the old analyzers; and staying ahead of callers complaining about “musty” water tastes and odors. Not today.
Water Treatment Plant Solves Taste And Odor Problems And High Toxin Levels
Phoenix is one of the country’s fastest growing metropolitan areas and has one of the most arid desert climates. Population growth coupled with increasingly stringent water regulations pushed the city to proactively address future water supply concerns. The decision was made to build the Lake Pleasant Water Treatment Plant (WTP) and include oxidation and disinfection treatment barriers.
Replacement Of Gas Chlorination System: City Takes Advantage Of Special NaOCl Dosing Unit
Operations management for a municipal direct water filtration plant reports achievement of a reliable and cost-effective change in chlorination systems that has continued to provide for effective disinfection, while better meeting safety and efficiency criteria. By Cliff Lebowitz
TotalCare Condition Audit Results In Energy Savings Of 80% And Improved Controls
Xylem TotalCare Condition Audit, an inspection and recommendation program that helps plant operators find ways to lower maintenance costs by identifying inefficiencies in the operation of water and wastewater equipment, was elected to audit the American Canyon Wastewater Treatment Plant (WWTP) in California.
Color Reduction From RO Concentrate
The City of Palm Coast, FL was experiencing elevated color in the concentrate stream being directed to the lime softening facility to recover as drinking water. In an effort to meet secondary color standards at the lime plant, this water quality issue limited the volume of the concentrate able to be recovered.
UV Disinfection And Ozone Oxidation In Tandem
Located 30 minutes North-East of Montreal, Canada, the City of Terrebonne has the last drinking water intake of the many cities along the Rivière des Milles-Iles.
The Basics Of Disinfection
From utility water to wastewater, whether used in industrial processes or for drinking, disinfection plays a prominent role in providing safe and useable water. Water free from pathogens and other microorganisms ensures processes run efficiently and people are kept safe from disease. By Harland R Pond, Business Development Manager – Water Treatment
Targeted Algal Management Plan To Address Taste And Odor Problem
Lake John Hay is located six miles northwest of Salem, Indiana and is used for drinking water and tournament and recreational fishing. With an average depth of 14-15 feet, it is ideal for algae and plant growth. The persistent, recurring algae blooms was causing taste and odor problems, which led to frequent complaints.
All chemical processes involve the loss, gain, or redistribution of electrons on an atom or group of atoms. Electricity is the movement of electrons along a conductor. It is no wonder then that chemical changes can be made to occur by passing an electric current through a solution containing atoms or groups of atoms which will accept or give up electrons. Processes which pass an electrical current through a solution to effect chemical changes are called electrochemical processes. By PEPCON Systems
Maintaining the quality of the water supply is the top priority for municipal drinking water treatment plants across the country. Water plants use several treatment processes to ensure water quality and safety, and these treatment steps include disinfection. Traditionally, chlorine is used in both primary and secondary disinfection treatments and has been used since 1908. Some water plants are moving to ozone for primary disinfection. One water utility that is taking this direction is Newport News Waterworks.
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DISINFECTION APPLICATION NOTES
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DRINKING WATER DISINFECTION NEWS
DRINKING WATER DISINFECTION SUPPLIERS
Lonza Microbial Control produces the new generation Constant Chlor® Plus calcium hypochlorite briquette feed systems that provide increased capacity and accuracy that exceeds its first generation system, plus new capabilities and features that further enhance operation, maintenance and safety.
Calgon Carbon Corporation
Calgon Carbon Corporation (NYSE:CCC), and its European operation Chemviron Carbon, is a global manufacturer and supplier of granular activated carbon, innovative treatment systems, value added technologies and services for optimizing production processes and safely purifying the environment
JCS Industries Inc.
JCS Industries, Inc. was founded in 2002 as a product development company charged with developing an alternative to the current vacuum feed liquid doser technology for a worldwide manufacturer of water and waste treatment equipment. After one year of design and two years of beta testing, JCS developed the Model 4100 Automatic Vacuum Liquid Feeder.
3M Industrial Business Group | Membranes Business Unit
Liqui-Cel® Membrane Contactors are used for degassing liquids. They are most commonly used for O2 removal from water and CO2 removal from water, but they are also capable of controlling a variety of other dissolved gasses as well, such as Nitrogen.
With a history of scientific innovation, MIOX Corporation began manufacturing on-site generators in 1994. Now with more than 1,700 installations in hundreds of U.S. communities and over 30 countries, MIOX is employed in many markets and applications including potable water, wastewater and reuse, commercial swimming pools, on board military and cruise ships, cooling towers, the beverage industry, oil and gas water treatment, and other commercial and industrial applications.
PEPCON Systems PEPCON Systems (PEPCON) designs, manufactures and services equipment that utilizes a proven electrochemical process to safely and economically treat water and control odor in a variety of applications. These systems are marketed under the names ChlorMaster® and OdorMaster® and are available worldwide.
Pinnacle Ozone is the manufacturer and world class integrator of rugged & compact, energy efficient industrial ozone systems. Our Pinnacle systems are used in a diverse array of industrial, commercial and municipal water application areas where treatment requires compact size, system mobility, high efficiency, wide operational pressure, and complex system integration solutions and services.
De Nora Water Technologies
De Nora Water Technologies is a leading supplier of water and wastewater treatment solutions. We provide our clients with some of the industry’s brightest minds, advanced technologies, and quality products to provide you with truly efficient, cost-effective solutions to your water and wastewater challenges
TrojanUV specializes in the design, manufacture and sale of pressurized and open-channel ultraviolet (UV) disinfection systems for municipal wastewater, municipal drinking water and environmental contaminant treatment applications. We are proud to have the largest installed base of UV systems in the world and are committed to reducing water stress and maximizing this invaluable resource for current and future generations.
WEDECO -- A Xylem Brand
Using processes that are both future-oriented and ecologically harmless, WEDECO products are committed to improving the foundations on which we live, on a global scale. As a company committed to healthcare, we consider it our duty to create health provisions, especially in the area of water disinfection. The broad outline of our business is to realize the best possible solution for mankind and the environment, and the most economic solution for our clients.
UV Pure Technologies
UV Pure® Technologies develops and manufactures technically advanced UV water purification systems. Since 1998, over 12,000 UV Pure systems have been installed in residential, commercial, industrial, public and municipal applications treating wastewater, reuse water, rainwater, and drinking water. The company’s Crossfire Technology is dramatically advantaged compared to conventional ultraviolet systems. UV Pure Systems are self-cleaning, and smart - with multiple sensors and on-board diagnostics. They are engineered to be fail-safe and virtually maintenance-free. Lamps are mounted in air surrounded by elliptical reflectors providing more effective deactivation of pathogens, incorporating easy lamp changes and visual quartz inspection. Remote monitoring is available.
ABOUT DRINKING WATER DISINFECTION
Water disinfection is the process of removing unwanted chemicals, biological contaminants, suspended solids and gases from contaminated water. It is also the elimination, deactivation or killing of pathogenic microorganisms.
Methods used include physical processes such as filtration, sedimentation, and distillation, biological processes such as slow sand filters or activated sludge, chemical processes such as flocculation and chlorination and the use of electromagnetic radiation such as ultraviolet light.
Ozonators produce small quantities of ozone which is a strong oxidizing agent that kills pathogens over a short period of time.