We live in a world and times where almost all resources are scarce. The population that is ever on the rise alongside other factors like nature and pollution escalate the scarcity of resources. Water availability is a global problem. First, it is being unavailable, making it is an issue.
Second, if available, then it is unpalatable. So then, scientists have put massive efforts into coming up with water filters. The list of these efforts is endless with such methods as the use of dispensers, tumblers, and pitchers. A more modern way is the Zero Water filter.
This method has been certified by the National Science Foundation (NSF), a governmental agency of the USA. It is said to be the most effective filtration method with the ability to remove up to 99.6% of solids found in water and other toxicities such as lead and chromium.
Irrespective of this unique ability, one concern remains: Do Zero Water Filters Remove Fluoride? This question is worth answering since excessive fluoride consumption is dangerous to nerves, muscles, and bone.
Streaks also appear on teeth when one consumes too much fluoride from water. This article answers this question as to whether the zero water filters remove fluoride.
Typically, the producers of a certain product have a lot to say about their product but one thing is sure- they rarely or never say something negative about their product. That means we cannot rely on the manufacturers only if we are to test the effectiveness of a zero water filter.
As part of its testing, 150liters of water were tested for fluoride in a lab. The test was done before and after filtration with the zero water filter and the result was quite impressive.
Do Zero Water Filters Remove Fluoride?
Yes, The results showed that the Zeo Water filter could remove up to about 91% of the available fluoride, leaving the only 250mg/l that NSF recommends in drinking water. The filter would not be able to do this had it not been designed appropriately.
Let us examine the features of the zero water filters that enable them to remove chloride so effectively.
Coarse filtration screen
This is the topmost layer of the zero water filter. It serves for the removal of sediments that are large enough to be seen by the naked eye. In some sites, it is referred to as the pre-filtration layer.
The sediments are large and pose a peril to the entire zero water filter system. Because of their sizes, they can create scales and corrode the filter. The debris has sizes ranging from less than 50microns to about 2000microns.
Sand and grit particles are also removed at this preliminary stage. If not removed, such can clog the piping system of the zero water filter.
Immediately after the coarse-filtration scree, is the form distributor. Worldwide, the use of foam distributors as part of water filtration has been popularized. Scientists and experts specializing in water filtration deem the procedure effective.
Companies dealing in zero water filters have not been left behind too. They have embraced the technology and used it to form the third layer of the zero water filter. In this technology, components of polyurethane foam are utilized.
They have the unique ability to distribute pressure and pick off toxic substances like fluoride in volatile form from the water under purification.
Activated carbon layer
We are aware that activated charcoal is widely used in water purification systems. Activated charcoal is employed in filtering water at home and away from home. This follows its unique ability to get rid of toxic substances from the water.
The same principle has been applied in making the 5-stage filtration system of a zero water filter. Its third layer is a mixture of activated charcoal and reduction alloy stuck together.
Most of the time, activated charcoal has been used to remove chlorine and its typical taste in drinking water. The activated charcoal and the reduction alloy used in the zero water filters have been modified in such a way that fluoride can be removed.
The size and the distribution of the charcoals used are barely large to make them effective.
Ion Exchange Stage
In water filtration systems, ion exchange is one of the widespread methods used. Many processes are involved such as alkalinization that removes alkalinity, deionization that removes ions, demineralization that removes minerals, and disinfection where pathogenic substances are removed.
With all these processes, the water is safe for drinking the same principle is applied in stage- four -filtration in the zero water filtration system. Ion exchange takes place at the fourth layer.
In this ion exchange process, unwanted ions such as chloride, fluoride, and others are replaced with others that have the same charges but are necessary in the water.
Ultra-Fine Screen & Non-Woven Material
This is the bottom-most layer of the zero water filter. Being the final layer, it has two major roles. First, it ensures that the ion exchange resin is held in position. Secondly, the ultra-fine screen & non-woven material remove any toxic material that could have passed the previous four layers by chance.
The five stages of water filtration in the zero water filters are what make the filters effective and able to remove fluoride from the drinking water. Indeed, courtesy of the five-stage filtration process, the zero water filters stand to be the best and most efficient appliances for water filtration.
The world of industrialization and innovation is here with has today. With its much advancement, comes the problem of pollution that necessitates the need to filter water.
Many appliances such as pitchers and dispensers are available for filtration but NSF has proved one to be the most efficient in fluoride removal. The zero water filter removes up to about 91% of fluoride from water because of its special design and 5-stage filtration.
At the topmost is the course filtration screen. Next is a form distributor. There is a mixture of activated charcoal and reduction alloy on the third layer. The fourth layer consists of ion exchange resins which remove unwanted ions and substitute them with the necessary ones. Last is the ultra-fine and non-woven material that traps any unwanted substances that could have remained.