A lot of people use reverse osmosis water
filtering systems without knowing the water purification process they are based
on. A reverse osmosis unit is, as the name suggests, based on the principle of
reverse osmosis. It has a semi-permeable membrane and a finely porous layer.
When water passes through these layers, any pollutant that is larger than water
molecules in size will be blocked and you will get pure water.
While it sounds good, there are two major flaws
in this system. First, reverse osmosis water filtering systems are not capable
of removing pollutants that are smaller than water molecules in size. There are pollutants like herbicide extracts
that are smaller than this and thus they are not removed in this process.
RO Main
Components
A whole house reverse osmosis water dispenser is
usually made up of 4 major components namely the pre-treatment equipment, the
reverse osmosis unit, the storage tank, and the re-pressurization system. The
pre-treatment equipment may not be required depending on the quality and source
of water.
Before reverse osmosis or RO water service,
excess mineral hardness should be removed from the water to keep the membrane
from fouling prematurely. Water softeners activated carbon filters or
antiscalant injections work best for this since the membrane deteriorates
quickly upon making contact with chlorine.
Storage
and Water Supply
Their reverse osmosis unit is used to produce the
water requirements of a household every day. About 20 gallons of purified water
per hour is produced by a 500-gallon-per-day system. A supplementary storage
system is required to provide more water as needed if 20 gallons are not enough
to supply household function demands.
Many people purchase a reverse
osmosis water dispenser for their home in an effort to achieve a
clean and healthy drinking supply. It is necessary for customers to understand
an issue or two concerning such systems.
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