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What is Reverse Osmosis ?
Reverse Osmosis, also known as Ultra-Filtration by the industry, represents state-of-the-art in
water treatment technology. Reverse Osmosis (RO) was developed in the late 1950's under U.S.
Government funding, as a method of desalinating sea water. Today, reverse osmosis has earn its
name as the most convenient and thorough method to filter water. It is used by most water bottling
plants, and by many industries that require ultra-refined water in manufacturing. Now this
advanced technology is available to homes and offices for drinking water filtration.
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How It Works ?
In short, it is the process by which water molecules are forced through a 0.0001 micron
semi-permeable membrane by water pressure. Long sheets of the membrane are ingeniously sandwiched
together and rolled up around a hollow central tube in a spiral fashion. This rolled-up
configuration is commonly referred to as a spiral wound membrane or module. They are available in
different sizes for processing different quantities of water. Typically, a module for home water
treatment is as small as 2" diameter and 10" long, while one for industrial use may be
4" diameter and 40" long.
For the membrane to be usable it must be in some type of container (membrane housing) so pressure
can be maintained on its surface. It is this pressure that supplies the energy to force the water
through the membrane, separating it from unwanted substances. The most amazing aspect of RO is
that the substances left behind are automatically diverted to a waste drain so they don't build up
in the system as with conventional filtering devices. This is accomplished by using a part of the
unprocessed water (feed water) to carry away the rejected substances to the drain, thus keeping
the membrane clean. This is the reason to why RO membranes can last so long and perform like new
with minimum maintenance even after years of operation.
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Water Quality : How is RO
water compared to bottled water ?
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Just as good or even better. We use the same technology,
reverse osmosis (RO), as other major bottling plants use to filter water. Our drinking water has a
sweet taste with a touch of minerals but not like the flat taste of distilled or bottled water.
The five-stage system is the most stable and complete RO process. The best part is that you
maintain your system and ensure your family's health yourself
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RO Filtration : How
effective is Reverse Osmosis filtration compared to other methods ?
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RO is the most convenient and effective method of water
filtration. It filters water by squeezing water through a semi-permeable membrane, which is rated
at 0.0001 micron (equals to 0.00000004 inch!). This is the technology used to make bottled water,
it is also the only technology capable of desalinating sea water, making it into drinking water.
Non-RO water filters are much less effective, and the pore size on these filter media are much
bigger, generally 0.5 - 10 micron. They can filter out coarse particles, sediments and elements
only up to their micron rating. Anything finer and most dissolved substances cannot be filtered
out. As a result, water is far less clean and safe compare to reverse osmosis filtration. |
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