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Wateroam's Products

Ultrafiltration - The Technology That Saves Lives

16/6/2020

1 Comment

 
As a social enterprise, Wateroam has been dedicated to fighting prolonged thirst since 2014.
At the helm of our operations, the ROAMfilter Plus spearheads our charge toward greater accessibility to clean water. A brainchild of our three co-founders, the ROAMfilter Plus is the product of the 
profound understanding of harsh circumstances communities face in disaster-stricken zones and an ingenious application of water filtration technology. The result? An easily portable and highly effective water filtration tool that has brought clean water to nearly 100,000 people in 38 countries. 
A water filtration system that is portable, ideal for rural development and disaster relief
Ultrafiltration technology 

The exact science behind the system is fascinating.  The ROAMfilter Plus leverages on a type of water filtration technology known as ultrafiltration  (UF) membrane technology. UF is one variant of a wider branch of membrane filtration technology that utilizes a permeable membrane in order to separate the constituents of a substance.

​
​To put it simply, the membranes have tiny holes called pores, and depending on the size of their pores, some substances will be allowed to pass through while won’t.
UF membranes discriminate based on particle size, otherwise known as size exclusion; therefore, only particles that are smaller than these pores are allowed to pass.  ​UF typically uses membranes with pore sizes measuring around 0.01μm - 0.1μm in diameter; Microfiltration and nanofiltration are examples of other filtration techniques that work in a similar way. Microfiltration techniques have pores bigger than UF, while nanofiltration techniques have pores sizes smaller than UF.
Here at Wateroam, our membranes have pore sizes that measure only 0.02µm in diameter! At just 0.000282µm, water molecules can pass through these pores easily while 99.9999% of bacteria and 99.99% of viruses cannot. Our membranes filter out dangerous pathogens, and anything larger such as dirt, sediment, and sand, also known collectively as suspended solids.

To better visualize this, take a look at the size chart below that compares the pores in our membranes to other substances found in unsafe, dirty water including
 biological and physical contaminants that cause adverse effects on human health when consumed. 
You can read whether your drinking water is safe for consumption in this blog!

​You might be wondering why Wateroam doesn’t use nanofiltration technology, since it offers even smaller pore sizes? The answer is simple: context. To conduct either nanofiltration or UF, a force must be generated to first drive the unfiltered water across the membrane. With nanofiltration technology, generating a force that would allow effective filtration through the smaller pore sizes often requires electricity. In many disaster zones, electricity is a luxury that is difficult or even impossible to come by. For example, a 2010 earthquake in Chile caused a power outage that affected 93% of the country, in turn disrupting
the functioning of critical services including health, traffic control and water supply. By listening to the needs of these communities, our UF-designed filters are able to produce high quality drinking water without relying on electricity. 
click to buy ROAMfilter Plus now
This is possible because the membranes within the ROAMfilter Plus adopt a hollow fiber membrane design. This means that our membranes are straw-like tubes with tiny pores all over their surface. Many of these tubes are bundled together and arranged vertically within the filter cartridge, which in turn encases an internal piston chamber. You can see this depicted in the above image. 
Operating the ROAMfilter Plus by handpump to obtain a supply of clean and safe drinking water
When the handpump, or Piston, of the ROAMfilter Plus is drawn up, water fills this internal chamber. Pushing down on the handpump generates enough force to drive the water through the encasing filter cartridge. The tiny water molecules slip through the small pores, while biological and physical contaminants are held back by the membrane.
As water passes through the pores, clean water is then released from the Front Tap and ready for consumption. 
​
Through and through, the ROAMfilter Plus has been successful in alleviating the lives of thousands worldwide. But our journey doesn’t stop here! We continually strive to improve existing methods of filtration and explore new technology to improve the life, living and livelihood of individuals across the globe. ​
Buy the ROAMfilter Plus today
​or fill out the form below to learn ​about
​the water filtration solutions we can offer you!

Blog Author: Juliano Prastyo ​
Chief Editor: Michelle Falcone
 
1 Comment
professionalservicestoday link
3/6/2022 05:21:38 pm

I agree. Installing a well water filter is an efficient and reliable solution. There are many benefits of well water filtration systems for your home, including constant peace of mind and a clean source of water.

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*Wateroam is a social enterprise that works with both international and local partners to provide better access to safe drinking water around the world. Givers’ contributions directly support Wateroam in growing our efforts in providing rural and disaster-afflicted communities with clean drinking water. Please do note that Wateroam is not a Singapore registered Institute of Public Character and your support of Wateroam’s relief efforts does not constitute as a charitable donation and does not qualify for tax-deduction in Singapore or elsewhere. If you have any questions about contributing to Wateroam, please contact us here.