Comparison Of Working Principle And Purification Effect Of Filter Element Of Water Purifier
The working principle of the filter element of the water purifier mainly includes physical filtration,
chemical adsorption and microbial purification, and different filter elements have different focuses in these aspects,
resulting in different purification effects.
The working principle of PP cotton filter is physical filtration, the fiber randomly forms
a three-dimensional microporous structure in the space, through the sieving effect of the aperture, the large particle
impurities in the water are intercepted on the surface of the filter, so as to achieve the initial filtration effect,
so that the water becomes relatively clear, remove visible suspended matter.
The activated carbon filter element mainly relies on the chemical adsorption principle.
Its internal has a rich pore structure and a large specific surface area, through the van der Waals force and other forces,
the organic matter in the water, odor substances, residual chlorine, etc. adsorbed to the surface of the filter element,
so as to effectively improve the taste and odor of the water quality, remove the different color odor in the water,
and improve the quality of the water.
RO reverse osmosis membrane filter and ultrafiltration membrane filter are based on the principle of physical filtration,
but their filtration accuracy is very different.
RO reverse osmosis membrane aperture is very small, under the action of pressure, only water molecules can pass,
and other impurities, heavy metal ions, bacteria, viruses, etc. are trapped on the other side of the membrane,
so as to achieve almost complete purification, get close to pure water quality.
The pore size of the ultrafiltration membrane is relatively large, which can trap rust, sediment, suspended matter,
colloids, bacteria, macromolecular organic matter, etc., in the water.
However, for some small molecules of heavy metal ions and dissolved salts can not be effectively removed,
and the purified water needs to be further treated or boiled for drinking.
Ceramic filter is also a physical filtration method, its tiny aperture can block bacteria, viruses and some large particulate matter,
while its natural mineral material also has certain antibacterial and mildew resistance characteristics,
The water quality after filtration is safe and stable.
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Through comparison, it can be seen that different filter elements have advantages and disadvantages in purification effect.
In the actual selection, should be based on the family’s water quality, water demand and water quality requirements and other factors,
comprehensive consideration to select the appropriate filter element combination, in order to achieve the best purification effect
Comparison Of Working Principle And Purification Effect Of Filter Element Of Water Purifier
