Knowledge

The majority of water sources on earth cannot be used directly for production or life. This calls for using diverse industrial processes, technologies, and apparatus to transform it into drinking water or use water for production.

A device called a “Water Maker” converts seawater into drinkable water, primarily using reverse osmosis technology. That’s what the boating and yachting industry calls a desalination unit.

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What a miracle, the water maker turns saltwater into freshwater, providing almost mineral-free water for consumption and manufacturing! Next, let’s explore the marine water makers in greater detail.

How does a water maker work?

The working principle of the marine water makers is generally the same, and they all use reverse osmosis (RO)technology. In reverse osmosis, high pressure forces the solvent with a high solute concentration toward the semipermeable membrane. And the solute cannot pass through the membrane and can only be separated from the solvent.

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For marine water makers, the salt is the solute and the water is the solvent. In the RO process, high-pressure pumps are used to pass seawater through a semi-permeable membrane, which filters out salt, bacteria, and other organic matter. The freshwater is delivered to the tank.

The importance of a marine water maker

The water maker is a state-of-the-art water generator designed specifically for freshwater problems on board through a compact design and RO technology. To achieve maximum water recovery, it makes use of energy recovery units and smaller units are fitted with piston pumps, which lowers operating costs.

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Even in challenging sea conditions, it can keep up a high level of performance and continue to function regularly. Water makers produce more water per square inch than most other systems. By using high-performance membranes, the filtration surface area is greatly increased compared to standard membranes.

The benefits of marine & boat water makers

Water supplies are becoming increasingly scarce as the ecological environment deteriorates. Seawater desalination is growing more prevalent and marine water makers achieve this purpose through reverse osmosis technology.

The following are some benefits of water makers:

Less weight, lower fuel costs and higher speeds

Suppose a gallon of water weighs 8 pounds. If you have to store 100 gallons of water on board, then the boat will add 800 pounds to the weight. Installing a water maker can reduce a certain amount of reserved water, reduce the ship’s weight, increase the ship’s speed, and avoid the waste of fuel.

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Longer range

Another benefit is that it is not as constrained by the range, and you can sail straight to the destination without needing to find a docking location for freshwater replenishment on a longer cruise. It is precise because of the water generator that there is sufficient fresh water on board, which also provides more possibilities for boat travel.

Improved quality of life

Water-intensive recreational activities such as freshwater deck rinsing, cooking, and daily showers can all be accomplished with a water maker, offering even more possibilities for you. It improves the quality of life and entertainment on board while also saving money.

The disadvantages of marine & boat water makers

Cost

Offshore water maker costs are the primary drawback. A significant percentage of a boat’s expenses go toward paying for the desalinator, which is expensive.

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The price of a water maker

The average recreational cruise boat’s powered desalination system costs between $3,500 and $11,000, with the more expensive models producing more water (gallons of fresh water per hour).

Ongoing maintenance

If the water maker is not used for a period of time, the plankton in the machine will die and rot, causing the clogging of the membrane and filter, which will damage the reverse osmosis membrane in the water maker.

What are the best systems to use for seawater treatment?

Seawater reverse osmosis membrane filtration systems primarily purify water by removing salt. The system is made up of a booster pump, a high-pressure pump, a cartridge filter housing, a chemical dosing system, a carbon steel and FRP pretreatment tank, and other equipment.

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About primary and secondary reverse osmosis: The difference between primary reverse osmosis and single-stage reverse osmosis is not big. The water that passes through the system is treated and then put into use. Two-stage RO means that water is treated through two passes of reverse osmosis membrane.

Industrial seawater RO

A very effective method of treating water is the industrial seawater (salt water) reverse osmosis system(RO). The total dissolved solids in water can be reduced using this technology by up to 97% in one pass and by over 99% in two passes.

Industrial seawater reverse osmosis systems are perfect for a variety of industrial uses, including offshore platforms, the military, cruise, boat, and other applications.

Commercial seawater RO

Commercial seawater reverse osmosis desalination systems are relatively unique and innovative compact systems. Easy to install in any area of any size, with specific features of high corrosion resistance and stainless steel frame.

Commercial seawater reverse osmosis desalination systems are intended for use in on- and offshore applications needing marine desalination systems that are heavy-duty or require continuous service.

Conclusion

Water makers can effectively solve the problem of limited freshwater storage and produce high-quality fresh water from salt water. Most water makers use reverse osmosis technology, and reverse osmosis technology involves reverse osmosis membranes, filters, and other equipment.

As an expert with more than ten years of experience in water filtration, Brother Filtration can provide you with professional advice on reverse osmosis filtration in water makers, and can also provide related filtration products. Please contact us for more product information.

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