Water borne contaminants can be a great range of sizes from those clearly visible to the naked human eye down to those that can only be seen with a powerful microscope.
These can get into your water coolers.
Water Coolers: Particle Filtration
The types of filtration used to filter out particles of different sizes are Particle Filtration – this includes beach sand, and other visible particles like fine sand, cement dust, human hair, plant spores, insecticide dust, silt and some larger paint pigments and bacteria.
The next stage of filtration is called Micro Filtration – this includes smaller bacteria, asbestos, clay, smaller paint pigments, ground talc etc. the next stage of filtration is called Ultra Filtration – this is the size of carbon black, atmospheric dust, most viruses, colloidal silica.
The next level of filtration is called Nano Filtration – we are getting down to the absolute tiniest things now lie synthetic dye and sugar molecules. The final and ultimate level of filtration is called Hyper Filtration – this is only really achieved by reverse osmosis (RO) water filtration systems and will filter out such super tiny things as aqueous salt, and it filters down to the size of an atomic radii.
Water Coolers: Reverse Osmosis
This is how reverse osmosis manages to filter out basically everything and leave only hydrogen and oxygen molecules themselves which leaves you with true pure H2O. You can choose the level of filtration you want based on the micron level a 1 micron filter will filter down to about the top of the Micro Filtration level just touching into the Ultra Filtration level.
This is very good. If the filter has a KDF component then it will also be able to remove some of the smaller impurities as well as the larger ones as not all filtration is strictly about being smaller than the particle you don’t want.
For instance ion exchange filtration is effective based on the chemical bonding of molecules in the filter to molecules in the water that would otherwise pass by.
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Can’t I Just Boil My Water For The Water Cooler Instead of Filtering
