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What is desalination? Definition & Meaning

Desalination is the removing of salt and minerals from sea water to make it suitable for human consumption & industrial use. This is mostly by employing reverse osmosis to force salt water through membranes that allow water molecules to pass but blocks the molecules of salt & minerals.

In other terms, desalination changes sea water into drinkable water taking out the salt, bacteria and pollution. This process is now being used all around the world, mostly the middle east countries, which uses about 70% of worldwide capacity; and in North Africa, which uses about 6% of worldwide capacity.

Also the United States is one of the most important users of desalinated water (6.5%), especially in California and Florida (either for industrial use or to supply fresh water).

* Industrial & commercial seawater RO systems applications:

Oil Tankers

Coastal Developments

Work Boats

Island-Based Businesses

Hotels & Resorts

Fish Processing Plants

Villages & Cities

Seaside Work Sites

Seaside Villas

Cargo Ships

* The recommended reverse osmosis systems for seawater desalination for commercial & industrial purposes are:

Industrial Seawater Desalination RO System - What is desalination?

Industrial Seawater Desalination RO System

Commercial Seawater Reverse Osmosis Watermaker System - what is desalination

Commercial Seawater Reverse Osmosis Watermaker System

* For seawater reverse osmosis systems projects worldwide, please check our projects here:

* Other methods used to remove salt from seawater and convert it to drinkable water are:

Multi-Stage Flash Distillation

Multiple Effect Distillation

Vapor Compression Distillation


Solar Evaporation

Electrodialysis/Electrodialysis Reversal

What is RO Antiscalant?

Antiscalant chemicals are used to prevent the scaling & fouling of the RO membranes. Scale may consist of mineral fouling such as calcium sulfate, calcium carbonate, barium sulfate, silica, calcium fluoride, and strontium sulfate. The Antiscalant dosing should be done before reaching the RO membranes to break up sulfate precipitates, calcium carbonate, and other mineral [...]

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What is Sea Water Desalination?

The Desalination industry is relatively small; however it is a growing market. While water is plentiful, over 97% is too salty for human consumption. Desalination companies utilize the unlimited supply of seawater and through Reverse Osmosis or distillation, create potable water by removing the salts.Desalination systems consist of seawater intake (open or beach well), pre-treatment [...]

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What is UV Sterilization?

In the world of water purification and treatment, having an Ultraviolet or UV sterilizer can make your water healthier and prolong the life of water that has been treated and processed. What a UV sterilizer does is it further cleans the water and kills any of those nasty little bacteria and microorganisms that can still [...]

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What is Water Softening?

Water softening is a key step in treating hard or raw water. Without this step, minerals and materials in raw water such as calcium, magnesium and various others can build up to damage the water treatment equipment; specifically the membranes used to clean water. Removal of these materials can be achieved by ion exchange.This process [...]

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What is Water Filtration?

Multi-media water filter systems are ideally suited for use where stringent water quality standards are required or where higher levels of suspended solids are present. These applications can include re-use applications, water pre-treatment applications for reverse osmosis and deionization systems or as a pre-treatment system prior to disposable bag or cartridge filters.Multi-media filters remove suspended [...]

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