Reverse Osmosis Water Filtration
Stages of Reverse Osmosis Water Filtration
Reverse osmosis water filtration is one of the most effective systems of water treatment available for home use. The result is essentially the equivalent of distilled water. This means you are getting a pure water which is free from chemicals, bacteria, pathogens and minerals. On a basic level, reverse osmosis water filtration is simply the passing of impure water through a filter. Everything larger than the water particle is kept on one side. Since many harmful contaminants are smaller than water particles, reverse osmosis water filtration systems have several stages to ensure purity.
1. The first stage is usually a crude filter for larger particles and sediment in water. This helps preserve the membrane used in reverse osmosis.
2. Afterwards, the water will go to an active carbon filter. This step is often left out in many reverse osmosis water filtration systems because its primary function is to ensure the next filter lasts longer.
3. Next, the water goes through a carbon block filter. These filters are commonly found in most counter filters like pitchers. This is very important for removing chlorine from the water. Reverse osmosis filters cannot remove chlorine because it is smaller than a water particle. Also, chlorine can cause damage to the filtration membrane.
4. The fourth stage is what is commonly considered reverse osmosis. Using pressure, water is forced through a very thin semi-permeable membrane. This is very important for removing pathogens and bacteria. Also, larger minerals which weren’t already removed are filtered out at this point.
5. The final step is another carbon filter which removes odors from the water and gives it a good taste.
Because reverse osmosis water filtration systems are so thorough, this is an ideal water treatment solution for areas with risks of water born diseases or people with low immunities.
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