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| Useful
Information |
| FAQ |
| About
Reverse Osmosis |
| How-To |
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- What is a marine water maker?
- A marine water maker is a desalination
unit that converts sea water into fresh water using a
reverse osmosis process that removes salt and other minerals,
making it suitable for human consumption.
- What is reverse osmosis?
- The osmotic process involves the natural movement of
a solution through a semi-permeable membrane without
applying external pressure. The membrane allows the passage
of solvent but not of solute. In reverse osmosis, high
pressure is used to push the solution through a membrane,
which traps the solute on one side making pure solvent
obtainable from the other side.
- Sea water recovery through reverse osmosis
- For marine water purification, sea water is driven
under high pressure through a special membrane. The resulting
“product water” is potable water with over 99% of the
Total Dissolved Solids (TDS) removed. The product water
is directed from the marine water maker to a fresh water
holding tank. Permeate that does not successfully pass
through the membrane is sometimes referred to as the
“brine discharge,” and on vessels is diverted overboard.
- How does desalination equipment work?
- A marine desalination system begins with a through-hull
fitting, or skin fitting, where ocean water is initially
drawn into the system. The raw sea water is then filtered
through a sea strainer to approximately 50 microns; and,
further filtered to five microns by being pumped through
a pre-filter using a low pressure pump running at approximately
30 to 35 psi. The reverse osmosis process begins when
the filtered sea water is pumped under high pressure
(at approximately 800 to 850 psi depending upon the temperature
and salinity of the sea water) through the system’s membrane
vessels. The product water that successfully passes through
the membranes is then routed to a salinity probe, which
confirms the quality of the water produced. If the product
water is acceptable, this purified water is transported
to a fresh water holding tank. Unacceptable product water
that does not pass the salinity test is discarded and
diverted with the brine discharge.
- FCI Watermakers optimizes marine desalination equipment?
- Over a decade ago, FCI Watermakers pioneered features
and automation never before seen in a marine water maker.
FCI’s exclusive Universal
Reverse Osmosis Controller (UROC) technology set the standard in operating today’s
marine desalinators by integrating one-touch commands,
multiple station operation and remote system control
and monitoring of your water production from a computer
and remote locations. FCI Watermakers are among the most
effective marine desalination systems providing automatic
and customizable fresh water flushing. This feature is
integral to every marine water purification system because
it deters growth of biological contaminants when the
system is not in use.
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