ULTRAVIOLET DISINFECTION TECHNOLOGY

Ultraviolet (UV) disinfection technology has been the star performer in water and air treatment over the past two decades, due in part to its ability to provide treatment without the use of harmful chemicals.

UV represents wavelengths that fall between visible light and x-ray on the electAromagnetic spectrum. The UV range can be further divided into UV-A, UV-B, UV-C, and Vacuum-UV. The UV-C portion represents wavelengths from 200 nm - 280 nm, the wavelength used in our LED disinfection products.

UV-C photons penetrate cells and damage the nucleic acid, rendering them incapable of reproduction, or microbiologically inactive. This process occurs in nature; the sun emits UV rays that perform this way. 

At AquiSense, we use Light Emitting Diodes (LEDs) to generate high levels of UV-C photons. The rays are directed at viruses, bacteria and other pathogens within water and air, or on surfaces to render those pathogens harmless in seconds.

UV-C LED Technology - The Next Revolution

In much the same way that LEDs have revolutionised the display and lighting industries, UV-C LED technology is set to provide new, improved, and expanded solutions in both air and water treatment. Dual barrier, post-filtration protection is now available where mercury-based systems could not previously have been conceivably used.

 Attribute        Conventional Mercury Lamp          UV-C LED                      Product Implication

Mercury Content

Life Time

On/Off Cycles

Warm-Up Time

Operating Surface Temp.

Architecture

Durability

Wavelength

 

Power Supply

20 - 200 mg

 

5,000 - 15,000 hours

Max. 4 per day

Up to 15 minutes

100 - 600° C

Cylindrical tube

Fragile glass tube

Polychromatic (200 - 300nm)

 

110 - 240V AC

None

 

10,000 hours

Unlimited

Instantaneous

Same as process water

Point source

Rugged semiconductor

Selectable (250 - 300nm)

6 - 30V DC

Safe disposal - no special handling

 

Flexible operation

Intermittent- flow friendly

Extended replacement intervals

Zero-flow friendly does not promote fouling

Versatile implementation

Versatile operation​

Now wasted energy & targeted performance

Batter/Solar option

UVC-LED Basics

An LED produces a selected wavelength from a small amount electricity. Depending on the composition of the LED it can produce anywhere from infrared, visible, and now UV-C wavelengths. 

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LED CAD.PNG

The side view of the LED shows that as power passes through the LED layers,
it activates the desired wavelength. 

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The LED is then packaged to allow for electrical connection, thermal management,

 and physical protection. This helps maintain efficiency for the LED output and lamp life.

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Back of lamp module with
LEDs integrated

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Front of replaceable module with thermal management options

These LEDs can then be integrated into various systems to treat water, air, and surfaces.
These systems also work with the LED packaging to disperse heat and improve
efficiency of the disinfection process.