Large-scale UV-C LED Systems
LED UV Water Disinfection
The PearlAqua Kilo and Tera platforms are the first UV LED water treatment systems designed for municipal, commercial and industrial water disinfection.
The integration of cutting-edge LEDs in a distinctive, compact design without the use of harmful chemicals or mercury is a highlight of this system.
Unlike mercury-based UV water treatment systems, UV LED systems are safe and easy to operate and maintain. Lamps on the Tera and Kilo can be changed without turning off the water, and there is no risk of mercury contamination.
UV-C LED Water Treatment
Mercury Free
No Water Pumps
Easy to Clean
External Lamps
UV 254 nm
Ultraviolet Water Treatment Systems
PearlAqua Kilo
Industrial UV Water Treatment
4″ or 6″ flange sizes
1 or 2 LED lamp arrays
11 to 230 m3/h flow rate
316 stainless steel reactor
PearlAqua Tera
Municipal UV Water Treatment
8″ – 20″ flange sizes
1, 2 or 3 LED lamp arrays
Up to 950 m3/h flow rate
316 stainless steel reactor
PearlAqua Kilo / Tera Features
PearlAqua Kilo / Tera Features
What is UV-C LED Technology?
UV-C LED disinfection is an advanced technology that uses light to damage the DNA of pathogens. This technology offers a variety of new benefits when compared to conventional UV purification. UV-C LEDs present an innovative solution for providing effective and sustainable water purification.
UV (ultraviolet) light is a type of radiation that can be found in the electromagnetic spectrum and is measured in Nanometers (nm). Invisible to the human eye, UV is an effective disinfectant due to the density of its wavelength.
UV-C, the radiation used in AquiSense PearlAqua systems, is germicidal, meaning it can be used effectively as a disinfectant to kill microorganisms, such as bacteria and viruses.
When the DNA of microorganisms absorbs UV light, it stops them from being able to reproduce and duplicate, thereby preventing their growth in water.
Light-emitting diodes (LEDs) are semiconductor devices made up of multiple layers of substrate materials. They are significantly safer for humans and the environment than traditional mercury lamps.
How are UV LEDs Used to Treat Municipal Drinking Water?
Municipal drinking water applications cover a variety of systems, from small city treatment plants to large municipalities. Each facility faces unique disinfection challenges, and while most use chlorine, adding UV disinfection to the existing system can protect consumers from a wider variety of pathogens, including Cryptosporidium and Giardia.
While conventional UV systems are prevalent in municipal water systems, UV LEDs are gaining popularity for their superior capabilities, environmental benefits, and ease of use.
UV is typically the last step in the water treatment process due to its relatively high Ultraviolet transmittance (UVT) requirement.
Big Bend Water Treatment Process image source: Las Vegas Valley Water District
Case Study
America’s First UV-C LED Municipal Water Treatment System
In 2022, The Las Vegas Valley Water District (LVVWD) commissioned a trial of a large-scale UV LED water disinfection system, the PearlAqua Tera.
Chosen for its sustainability and efficiency, particularly in Legionella inactivation, this marked a significant shift in municipal water treatment in the region.
The PearlAqua Tera is designed to meet specific operational needs such as sturdy design, mercury-free functioning, automatic on/off switching, and low maintenance.
Compared to a traditional mercury UV reactor, the LED system proved to be equally effective while eliminating the use of hazardous mercury and simplifying maintenance procedures. This successful implementation of UV LED technology shows promise for its global adoption within the industry, providing a safer, more efficient, and environmentally friendly solution for water treatment.
The PearlAqua Tera is gaining traction in the US, Australia and globally as the optimal choice for councils and water treatment plants exploring sustainable and effective water disinfection solutions.
The PearlAqua Tera in Action
