Many of us benefit from the use of nanofiltration in industry and agriculture. For example, if you drink milk or use any dairy products, you are using something that is purified as a result of nanofiltration. It can also be used for purifying drinking water and it may have other benefits as well. Although we may benefit from the use of nanofiltration, many of us do not understand how it works. Here is a basic guide which will help you to understand this type of filtration and how it may benefit you.
In essence, nanofiltration is a type of membrane filtration in which fluid passes through the membrane and any impurities that are in the fluid are filtered out. The type of filtration that is utilized for these purposes is defined by the size of the pores. With nanofiltration, you have very small pores so even the smallest of impurities are going to be filtered out. Another important thing to understand about nanofiltration is the fact that the fluid is encouraged to pass through the membrane and it does not simply do so as a result of gravity. It often has to do with differences in pressure on either side of the membrane which causes the fluid to pass through it.
Nanofiltration may be made from membranes of various materials. At times, it is the material which makes a difference as to whether the majority of the impurities are going to be filtered out of it. It may also be that the fluid that is filtered may go through other filtering processes to remove additional impurities that were not taken care of with nanofiltration.
An example of how nanofiltration might be used is seen in the filtration of water. In many parts of the world, a shortage of drinking water is a constant problem and in many cases, people are drinking dirty water and getting sick as a result. Nanofiltration, which is a form of nano technology, is able to offer a solution for this problem. Not only can it remove contaminants from the water source that needs purified, it can also be used to make drinkable water out of saltwater. The desalinization process takes place with nanofiltration, either for removing the salt from seawater or by removing it from brackish groundwater. In either case, potable water is able to be produced. The only issue that was really seen as a result of filtering the water to that extent is that essential nutrients were also removed from the water source, including magnesium and calcium. In the developing parts of the world, that can be a real issue because those nutrients may not be found in the typical diet of the area.
Regardless of whether nanofiltration systems are being used in developing countries or if they are used in developed countries, they provide a resource that can help to clean water and other liquids. It is something that we all benefit from on a regular basis and we can appreciate the fact that this technology is available.
Travis Radford is a recognized authority on nanofiltration systems and enjoys sharing his knowledge with his readers on the subject. Working at Synder Filtration, he likes to stay up to date on pes membrane technology , and other types of filtration. 
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