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Reverse Osmosis - How does it work
Reverse Osmosis is state-of-the-art water purification technology. It is the same technology used for purification in laboratories, medicine and even converting seawater to drinking water.
How does Reverse Osmosis work?
Reverse Osmosis uses a semi-permeable membrane, that has a pore size of about 10 angstroms (there are 10,000 angstroms measured in one micron, and there are about 40 microns in one hair thickness). Mains water pressure forces water against the membrane where water molecules (H2O) are small enough to pass through. Other impurities, including virus and bacteria, are flushed out in the self-cleaning process. This self-cleaning feature is unique to Reverse Osmosis, and is very important. It enables consistent performance. This also keeps filter replacement to a minimum. The Sierra Reverse Osmosis Purifier does not require electricity.
Why is Reverse Osmosis better than common filters?
The substances which are most difficult to remove from water are known as inorganic substances. The Sierra removes inorganic substances as well as heavy metals and organic substances. This means the TDS (Total Dissolved Solids), is removed. Standard filters cannot remove TDS. The Reverse Osmosis self-cleaning process is far superior to the usual filter methods, where the impurities are stored within the filter.
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