Reverse Osmosis Water Filter System

The process of reverse osmosis is very much similar to the treatment done by the membrane filtration. Still there are some key differences which are found in both the process. The common thing which is there in both the processes is the initial phase of filtration. This initial phase of filtration is done on the basis of the size of the particles.

In the process of Reverse osmosis, the filtration of the solution is dependant on the solute concentration, pressure and the rate of water flux. The solution under intense pressure is passed through the membrane. Thus, retaining the solute on one side and the solution on the other. In this way the pure solvent is moved to the other side of the membrane. This process is the reverse of the osmosis process. So, it is termed as Reverse Osmosis.

Steps Involved In Reverse Osmosis:

Here are few basic steps which are followed at the time of reverse osmosis. These steps are:

  • Reverse osmosis has a sediment filter which is capable of trapping small particles like calcium carbonate and rust.
  • Some devices of reverse osmosis also have second sediment filter too. This filter has more smaller pores.
  • It has a carbon filter which is activated to trap chemicals and chlorine.
  • The device also has a reverse osmosis filter which is thin film of composite membrane.
  • The device of reverse osmosis also has a another carbon filter which is capable of capturing those chemical which were not captured by the previous membrane.
  • Lastly the device has a ultraviolet lamp which is capable of detecting the presence of some microbe in the water.

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