Treatment FAQ

how does uv light water treatment work

by Susan Dicki Published 3 years ago Updated 2 years ago
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A UV water purifier treats micro-biologically unsafe water with germicidal ultraviolet light. The UV wavelength scrambles the DNA of living organisms in the water, so they can no longer reproduce and make you sick. If you drink bacteria-infested water, the organisms can embed in your digestive tract and replicate.Apr 15, 2019

Full Answer

How does ultraviolet light purify water?

There’s a lot of complex science behind the process of UV water purification, but the idea is quite simple. Water runs through the steel chamber where it is exposed to the UV light, which deactivates bacteria and waterborne pathogens. Then the water is safe to consume.

How does ultraviolet water purification work?

UV Water Purification: Ultra-Violet, Ultra-Effective

  • advantages of uv water purification. Eliminates Microorganisms: UV water filters are incredibly effective, as they eliminate up to 99.99% of microorganisms such as bacteria and viruses.
  • disadvantages of uv water purification. ...
  • INSTALL A UV-EQUIPPED AQUASANSA WATER FILTER. ...

Does UV penetrate water?

Water scatters but does not absorb ultraviolet light. It absorbs infrared light quickly – little infrared light penetrates more than 2 meters. Light is quenched rather quickly even in clear water. Only about 25 percent of incident light reaches a depth of 10 meters in the open ocean, where water is very clear.

Are UV water purifiers safe?

The question remains, is UV water purifier safe? According to research, it is safe for it does not change anything about water; instead, it works to eliminate bacteria. The notion that a UV water purifier can be harmful to you should be buried because all this device does is to keep you safe.

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How Do UV Water Treatment Systems Work?

Incorporating UV water treatment systems into your company’s water purification system can help kill microorganisms in your water supply and make it safe for ingesting or clean for industrial use.

What Contaminants Will UV Systems Remove From Water?

The ultraviolet wavelengths from the UV water treatment system will target and impact the microorganisms in the water, but they will not remove them. A UV water system does not include a filter to remove large particles, debris and any other floating substances in the water.

What Does a UV System Consist of?

Most standard UV systems have at least two pre-filters and a UV light inside of what’s called a bulb sleeve. The pre-filters will remove debris, as UV water treatment is less effective when these solids are present. The UV bulb sleeve is located in a tube, and the water disperses through the tube and around the sleeve.

Benefits of UV Disinfection Water Treatment

When you incorporate a UV water treatment system into your company’s water supply, you’re using one of the most effective methods for disinfecting water, further improving the quality of water at your facility. The system will eradicate bacteria, viruses and pathogens that are harmful to humans if ingested.

Challenges to Consider With Ultraviolet Water Treatment Systems

While companies can experience numerous benefits from installing a UV water treatment system in their facility, it’s important to consider the challenges that others have experienced with industrial UV water treatment systems.

What Kind of UV Light Does My System Need?

An ultraviolet sterilization system needs to provide an intensity or “fluence” strong enough to inactivate the harmful organisms found in raw water. The fluence is a combination of the strength of the light, the distance the light travels through the water and the speed at which the water travels past the light.

UV System Applications

The design and effectiveness of ultraviolet treatment systems make them appealing to various industries and applications. There are numerous industries that can benefit from using ultraviolet light, including:

What is UV purification?

UV Purification > Chemical Disinfectant. UV systems are an effective means of water disinfection for residential point of entry use to help disinfect the entire home. UV systems are highly recommended to homeowners who may suspect any E.coli, cryptosporidium, giardia or any other types of bacteria and viruses in the water.

What is the most effective method for disinfecting bacteria from the water?

Ultraviolet water purification is the most effective method for disinfecting bacteria from the water. Ultraviolet (UV) rays penetrate harmful pathogens in your home’s water and destroy illness-causing microorganisms by attacking their genetic core (DNA).

Does UV light work?

UV light does not work to eliminate contaminants such as chlorine, heavy metals and VOC’s (Volatile Organic Compounds). UV systems are often paired with Reverse Osmosis Systems to provide a complete purification process for the safest drinking water. Choosing the Right UV Unit Size.

Can you use chlorine to disinfect water?

However, it is not advised to use chlorine or other chemicals to disinfect water like private well owners, because of the toxic byproductsthey create. It is important to avoid drinking any water that is potentially contaminated from bacteria to protect yourself from any water-borne bacterial diseases.

Is UV light harmful to water?

22.5. UV light is a natural process and does not produce harmful chemicals in water. Simply connect at point of entry and plugin in the electricity. It’s a safe, effective and environmentally friendly disinfection method that is widely used for residential and industrial applications around the world.

Is it safe to disinfect water with UV light?

Disinfecting your water with Ultraviolet light is exceptionally simple, effective and environmentally safe. UV systems destroy 99.99% of harmful microorganisms without adding chemicals or changing your water’s taste or odor. UV water purificationis usually used with other forms of filtration such as reverse osmosis systems or carbon block ...

What is UV water purifier?

A UV water purifier treats micro-biologically unsafe water with germicidal ultraviolet light. The UV wavelength scrambles the DNA of living organisms in the water, so they can no longer reproduce and make you sick. If you drink bacteria-infested water, the organisms can embed in your digestive tract and replicate.

Why is UV disinfection used?

UV disinfection deactivates 99.99% of living organisms in the water. They are designed to run constantly to guarantee the water you use is always safe. Because a UV purifier is not a filter, there's no wastewater or debris left behind to clean out. Every drop of water that enters the UV system is purified.

How much does a UV system cost?

Like the size, the price of UV systems varies. Typically, a residential UV system costs around $400 or $500. Shop Residential UV Systems.

How long does a UV lamp last?

A UV lamp lasts about 9,000 hours or 375 days (if you run it all the time). Clean the quartz sleeve. The glass quartz sleeve that surrounds the lamp needs to be clean for the UV lamp to work effectively. Check the quartz sleeve when you change the lamp to make sure it's clean.

Why do UV lamps need quartz sleeve?

A quartz sleeve protects the UV lamp from the water because water and electricity don't mix well. One or two O-rings to seal the whole system together. UV lamps run on mercury vapor. The mercury vapor is loaded into a UV lamp in the form of little beads. Occasionally, you may see beads rolling around in the lamp.

What is UV system?

UV systems are POE (point-of-entry), which means you install them before water enters your home to purify the water throughout your house. Most of the time, typical household pressure is enough for a UV system to operate.

What is UV dosage?

UV dosage is the measurement of energy (in mJ/cm²) delivered by a UV water purifier. The more dosage provided, the more energy delivered to treat contaminated water. At a certain threshold, this energy becomes sufficient enough to inactivate most of the microorganisms present in water.

What Is Ultraviolet (UV) Water Filtration?

An ultraviolet water system has a filtration process that uses ultraviolet light to purify the water supply. The UV light sits inside a chamber that is part of the water system in your company’s building. Water runs through the chamber and is exposed to the UV wavelength, which deactivates the organisms in the water.

How Does UV Water Filtration Work?

The ultraviolet water purifier system works by exposing bacteria, viruses and other waterborne organisms to a certain wavelength of UV light. The water passes through a chamber that contains a UV lamp emitting a germicidal frequency or wavelength that impacts the living organisms in the water.

Types of UV Water Filtration Systems

You want to ensure your water supply is clean and safe for your company. Selecting the proper UV water filtration system is key to having purified water. With the wide variety of industries and applications that companies use water for, you should narrow down your options to specific types of UV filtration systems.

What Doesn't UV Disinfection Impact?

A UV disinfection treatment will not remove particles from the water supply. The system doesn’t filter anything out from the water — rather, it purifies it and cleans clear or pretreated water.

UV Purification vs. Chemical Disinfection

Both UV light and chlorine are effective in purifying water supplies. The main difference between the two is using chemicals versus opting for a more environmentally friendly option. Learn more about the differences between UV light treatment and chemical treatment with chlorine:

When to Use UV Water Filtration

You should use a UV light for a water system in your facility to ensure your water is safe, especially if you know it is well water. The system will work efficiently and last a long time. The life of a UV lamp in a water purification system is around a year, so you’ll only have to replace the bulb annually.

Contact Complete Water Solutions for All Your UV Filtration Needs

Is your commercial or industrial facility in need of a UV water disinfection system? Contact Complete Water Solutions to learn about the ultraviolet light purification solutions we can provide or schedule a time to install a water treatment system.

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