Trojan UV - Water Confidence

Solutions / Municipal / Drinking Water / Products

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TrojanUVSwift

The TrojanUVSwift™ offers proven performance against waterborne pathogens including viruses, bacteria and protozoa. Our advanced systems meet disinfection targets with unsurpassed reliability with no known disinfection by-products.

The TrojanUVSwift™ is a testament to our commitment to providing water confidence. This compact system has demonstrated its installation flexibility and effective, reliable performance around the world in hundreds of installations. Available in multiple inlet/outlet diameters, it is well suited to drinking water disinfection projects – new and retrofit applications – for a wide range of flow rates. The TrojanUVSwift™ is also upgradeable to models designed to treat the compounds responsible for seasonal taste and odor events (e.g. MIB and geosmin) and other chemical contaminants. Known as the TrojanUVSwift™ECT (Environmental Contaminant Treatment), this UV system uses specialized controls in conjunction with hydrogen peroxide (H2O2) to cost effectively perform UV-oxidation. 

Engineered and built for dependable performance, the TrojanUVSwift™ requires a minimal number of lamps to treat a given flow, and is serviceable from one side for easy maintenance. It also incorporates innovative features to reduce O&M costs, including efficient, variable output, electronic ballasts and Trojan’s revolutionary ActiClean™ system – the industry’s only dual-action, sleeve cleaning system.

>> Download the TrojanUVSwift™ Brochure
Smallest Footprint in the Industry
The reactors feature medium-pressure lamps which means its compact footprint simplifies installation and minimizes related capital costs. The reactor is fully serviceable from one side – allowing the system to be installed tight to walls, other equipment or piping. The reactor was validated with a 90˚ elbow installed immediately before inlet to ensure consistent dose delivery – even under challenging hydraulic conditions created by upstream piping.
 
ActiClean™ Dual-Action Automatic Cleaning System
ActiClean™ provides on-line sleeve cleaning automatically while the system is disinfecting – eliminating the need and labor costs of taking the system off-line for routine manual. The combination of food-grade cleaning gel and mechanical action removes deposits on sleeves much more effectively than mechanical wiping alone.
 
Touch-screen Interface Allows Easy Operation and Monitoring
This PLC-based system controls all UV functions and dose pacing to minimize energy use while maintaining required dose. The controller communicates with plant SCADA systems for centralized monitoring of UV performance, lamp status, power levels, hours of operation and alarm status.
 
Upgradeable for Changing Requirements and Taste & Odor Control
Reactors can be configured to accept additional lamps after installation to cost-effectively meet increased capacity, system redundancy, or taste & odor (T&O) treatment requirements. The TrojanUVSwift™ECT, an upgraded system for Environmental Contaminant Treatment, acts as a barrier against microbial contaminants, as well as nitrosamines, endocrine disruptors, pesticides, and other chemical compounds.
System Characteristics
Max Flow Rate
  • Up to 40 MGD (6300 m3/h)
UV Transmittance
  • 70 - 98%
Number of Lamps
  • 2 - 16
Max System Pressure
  • 150 psi (10 bar)
Cleaning System
  • None
  • ActiClean™ Sleeve Cleaning System
Max Water Temperature
  • 30°C
Reactor
Material
  • 316L Stainless Steel
Flange Types
  • 12" (300mm)
  • 24" (600mm)
  • 30" (800mm)
NSF Certification 60/61
  • Yes
Control Panel
Materials of Construction
  • Painted Mild Steel (Gray)
Rating
  • Type 12 (IP54)
UL&CE Certification
  • Yes
Ethernet Network Interface, Data Trending, Remote Modem
  • Yes
Electrical Requirements
Standard Voltage
  • 480V, 3 Phase, 4 Wire + GND, 60Hz (Swift 12)
  • 480V, 3 Phase, 3 Wire + GND, 60Hz (Swift 24 and Swift 30)
  • Other options available

  • What is ultraviolet (UV) light?

    Ultraviolet (UV) light is a form of light that is invisible to the human eye. It occupies the portion of the electromagnetic spectrum between X-rays and visible light. The sun emits ultraviolet light; however, much of it is absorbed by the earth’s ozone layer.
     
    A unique characteristic of UV light is that a specific range of its wavelengths, those between 200 and 300 nanometers (billionths of a meter), are categorized as germicidal – meaning they are capable of inactivating microorganisms, such as bacteria, viruses and protozoa. This capability has allowed widespread adoption of UV light as an environmentally friendly, chemical-free, and highly effective way to disinfect and safeguard water against harmful microorganisms.

  • How does UV work?

    Unlike chemical approaches to water disinfection, UV light provides rapid, effective inactivation of microorganisms through a physical process. When bacteria, viruses and protozoa are exposed to the germicidal wavelengths of UV light, they are rendered incapable of reproducing and infecting.
     
    Microorganisms are inactivated by UV light as a result of damage to nucleic acids. The high energy associated with short wavelength UV energy, primarily at 254 nm, is absorbed by cellular RNA and DNA. This absorption of UV energy forms new bonds between adjacent nucleotides, creating double bonds or dimers. Dimerization of adjacent molecules, particularly thymine, is the most common photochemical damage. Formation of numerous thymine dimers in the DNA of bacteria and viruses prevents replication and inability to infect.

  • What are the benefits of using UV?

    For many decades, chlorine was successfully used in drinking water treatment. However, there are chlorine-resistant organisms, such as Cryptosporidium and Giardia, that are harmful to humans. For example, in 1993, over 400 people died and over 400,000 became ill as a result of a Cryptosporidium outbreak in the drinking water supply of Milwaukee, Wisconsin, USA. 
     
    UV is highly effective at treating these chlorine-resistant organisms and produces no disinfection by-products. Many large cities have installed UV as part of a multi-barrier strategy to ensure their drinking water is safe. For example, New York City is currently building the world's largest UV disinfection facility using TrojanUV reactors. Once completed, the UV facility will be able to treat a total of over 2.2 billion gallons a day.

  • Cryptosporidium Barrier

    Cryptosporidium is a harmful protozoa that can cause severe illness and even death in some individuals. Fortunately, these chlorine-resistant protozoans can easily be inactivated with a low UV dose.

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  • Primary Disinfection

    By employing UV as the primary disinfectant, the required chemical CT can be reduced or eliminated (dependant upon local regulations).

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  • Multi-Barrier Strategy

    UV is a perfect fit as an additional barrier in a multi-barrier strategy to provide additional public safety.

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  • Giardia Barrier

    Giardia can be found worldwide and is one of the most common waterborne parasites. Low UV doses can inactivate Giardia without forming disinfection by-products.

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Case Studies

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