It is water purification methods that kill or inactivate waterborne micro-organisms.
It destroys 99.99 % of waterborne micro-organisms.
Such microorganisms include:
How does UV water purification work
UV water purification method uses Special lamps that emit UV light waves/ rays which are also called frequency.
The unique lamp is surrounded by clear Quartz sleeve which prevents direct contact with water and prevents short circuits.
Water passes through the special lamps that emit UV light frequency. This UV light frequency penetrates through microorganism DNA code, attacks, disrupts and rearranges microorganism DNA code causing them to become inactive and stop reproducing further.
The best frequency used to kill germs is 254 nanometer (nm).
Most people fear this method because of exposure to ultraviolet rays which they believe causes cancer. The method is approved to be safe for human consumption because the process of exposing water to ultraviolet rays is done in an enclosed container causing no risk to the human being.
Also, it is safe since you don’t add chemicals to clean water.
Common components that are used in the ultraviolet method include:
Sediment pre-filter – removes particulates such as sand, silt, and rusts.
UV reactors chamber-where the quartz sleeve is stored and untreated water enters the chamber. The water is purified as it runs through the UV reactor chamber
UV quartz sleeves it is where the lamp is stored and ensures high transmittance for the ultra-violet and protects UV lamp from short circuits.
UV lamp -it emits Ultraviolet
Electronic ballast –controls the electric output to the lamp and powers it to produce ultraviolet light.
What is a UV water filter?
UV water filter uses an ultraviolet (UV) method to clean water.
The UV water purifier is a must if your water source is coming from lakes, streams, ponds, and well.
Advantages of UV water purifier
Kills 99.99% of micro-organisms
Do not alter the taste of water
It is a chemical-free process. No chemical is added when purifying water
Low cost of maintenance because only the sleeve and lamp are replaced annually
Consume less energy. It uses the same energy consumed by tube lights
Work together well with all another method of water purification
Clean the quartz sleeve after 6-12 months and replace it after 24 months. The UV lamp needs to be replaced after 12 months for the system to perform effectively.
The system is used in wide applications such as residential water purification and industrial water sterilization to supply treated water for various needs such as irrigation and fish tank, cooling water for production.
This water purification is sufficient to remove impurities such as bacteria, virus, and germs, for example, E. coli, coliform, Giardia, Salmonella especially well water, therefore, protect your family from waterborne diseases.
The system uses 12 GPM powers which are enough to sanitize the whole house water including drinking and use water.
Only UV lamp and quartz sleeve that needs to be replaced annually and low electricity required. Therefore help save a lot of money from buying bottled water and saves energy bill.
It is applicable for irrigation, swimming pool, washing, drinking, chemical, and medicine.
The GOSOIT UV Water Filter Pitcher Bottle is made of food grade material and BPA free. It also has transparent fuselage allows you to see disinfection process and amount of water is visible.
It is four-stage filtration systems with ultraviolet bacterial function. The filters include pre-filters, activated carbon, ion exchange resin and PET filter cotton that can effectively filter out impurities, heavy metal, rust, scale, chlorine, odor, retain beneficial minerals.
With UV lamp makes the bottle eliminate bacterium, virus, and microorganism in 15 seconds.
The UV bottle is compact size, easy to carry the sealing, opened when you press the button and leak-proof of the product is very good making it suitable for outdoor activities such as travel, outdoor sports, fitness, and outdoor adventure.
The camel UV water purifier bottle is a reliable purification that utilizes UV technology to reduce contaminants such as bacteria, viruses, and protozoa. The pollutants are reduced to EPA standard.
With clear LCD read-outs make purification easy.
Energy-efficient designs that last 10,000 cycles even with exposure to cold weather.
Impact and weather-resistant cap insulate the UV bulb for effective purification.
It comes with a lithium-ion battery that delivers 80 cycles on a single charge. The battery can be charged from any 100-240V USB compatible power source including wall chargers, car chargers, solar chargers, hand-crank chargers, and electronics like laptops.
This filter has a 4-stage water purification system that has a high-efficiency filter which includes PET filter cotton, ion exchange resin, and Pre-filters activated carbon. The filter can effectively remove heavy metal (copper, mercury, and lead), sediments (rust, sand, mud and big particles), scale, chlorine, odor and retain beneficial minerals.
The container is made of the transparent fuselage, food-grade material, and BPA-free.
With UV lamp which helps the GOSOIT Alkaline Water Filter Pitcher can eliminate bacterium, virus, and microorganism.
Worrying when to change the filter the manufacturer of this product has catered that. It has a counter to supervise the filter frequency. So, the initial display figure on the counter is 160 times once you filter one time it reduces by one and when it reaches zero times replace the filter.
The replacement bulb is 55W and has a Quartz Sleeve.
It has a voltage of 110v and 220v and can last 9000 hours (about one year)
Tips on how to choose UV water purifier
It is essential to know contaminants present in your water for UV water purifiers to work effectively, they are a certain parameter that your water must meet otherwise you need to install pre-filter. Such parameters include:
Hardness < (less than)7 grains per gallon
Iron < (less than) 0.3 parts per million
Manganese <(less than) 0.05 parts per million
Turbidity < (less than) 1 NTU
Tannins < (less than) 0.1 parts per million
UV Transmittance > (greater than) 75%
Note it is necessary to pre-filter your water and remove contaminants such as sediments and other particulates for the UV water purifier to work effectively.
Also, the sediment and other particulates can create a shadow that prevents UV rays from reaching harmful contaminants. If you have other water filters, the UV water purifier is installed last.
UV system flow rate
The flow rate is how much amount of water can flow in the system.
The UV water purifier measures rates in gallons per minute (GPM).
The water may not be adequately treated, If you undersize the flow rate. The best thing is you oversize the flow rate.
1 Bathroom requires 6 gallons per minute flow rate
2 Bathrooms need 9 gallons per minute flow rate
3 Bathrooms want 12 gallons per minute flow rate
4 Bathrooms require 15 gallons per minute flow rate
5 Bathrooms need 18 gallons per minute flow rate
Amount of UV energy from the lamp
For specific contaminants to be inactivated, it requires a particular dose of energy from the UV lamp.
The energy is measured using millijoule per square centimeter or mJ/cm2.
Contaminants such as E. Coli, Giardia, and Cryptosporidium typically require a UV dose/ energy of 10 MJ/cm2 to become inactivated.
Most UV water purifier certified by NSF “A” is rated at 40 mJ/cm2 and are best used for commercial application.
The most accepted standard is 30 MJ/cm2
There is a UV water purifier that has an LED indicator informing when the filter is supposed to be replaced. Some brands come with a flow meter, touchscreen display, and a shut-off valve.
Where to install a UV water purifier.
The UV water purifier can be fixed it two places
Under the sink, this type is installed at the pipe that supplies water to the faucet. Most of these systems supply 2 gallons of filtered water per minute and are expensive they cost approximately $150-$500.
Countertop – they are attached to an electrical outlet and attached to the faucet. Just turn on the faucet; flip the switch that redirects water to the filter. This type is the most common and affordable cost of approximately $150-$500.
UV water purifier cost
There are two types of UV water purifier. The countertop water purifier which cost approximately $150 to $500.
The other type is under sink UV water purifier which costs $150 to $1000. This type the cost may vary if it is meant to filter water for the whole house it expensive compared with the one providing water into one faucet.
Ultraviolet water purifier ensures your water is free from any water contaminants but the method becomes effective when used together with other methods of water purification.