| | Typical Seawater | Eastern Mediterranean | Arabian Gulf at Kuwait | Red Sea at Jeddah | | Chloride (Cl-) | 18.980 | 21.200 | 23.000 | 22.219 | | Sodium (Na+) | 10.556 | 11.800 | 15.850 | 14.255 | | Sulfate (SO42-) | 2.649 | 2.950 | 3.200 | 3.078 | | Magnesium (Mg2+) | 1.262 | 1.403 | 1.765 | 742 | | Calcium (Ca2+) | 400 | 423 | 500 | 225 | | Potassium (K+) | 380 | 463 | 460 | 210 | | Bicarbonate(HCO3-) | 140 | - | 142 | 146 | | Strontium (Sr2+) | 13 | - | - | - | | Bromide (Br-) | 65 | 155 | 80 | 72 | | Borate (BO33-) | 26 | 72 | - | - | | Fluoride (F-) | 1 | - | - | - | | Silicate (SiO32-) | 1 | - | 1,5 | - | | Iodide (I-) | <1 | 2 | - | - | | Others | - | - | - | - | | Total dissolved solids (TDS) | 34.483 | 38.600 | 45.000 | 41.000 |
Note: The dot (.) separates thousands
The comma (,) separates decimals Source: Magazine - Water Condition & purification, Januray 2005 Reverse Osmosis Systems
Softener Unit FAQ Currently the world uses 11.000 desalination plants to produce daily 20 million cubic meters per day. They mostly use seawater with an average TDS of 40.000 ppm and brackish water with an average TDS of 10.000 ppm and can be found in each continent | West Asia & Middle east | 60% | | North America | 11% | | North Africa | 7% | | Europe | 7% | | South and Central America | 4 | | Other | 11% |
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