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From among the various know-how and databases we have been establishing over our history of more than 40 years, we will determine a suitable method for producing the “ideal water” required by the customer. We promise to deliver the maximum effect as a group of professionals for desalination and water treatment systems. |
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 Surface seawater Seawater well Coastal deep water |
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Reverse osmosis membrane method (seawater desalination) |
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Seawater desalination plant Potable water Daily life water Industrial water |
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>SO-FI-RX series >SO-KQ-TR series >SO-FDI-RX series |
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 Well water River water Estuary water Industrial water Hard water |
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Reverse osmosis membrane method (desalination) |
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Brackish water desalination plant Potable water Daily life water Industrial water Purified water/hard water |
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>WO-80P series >WO-P (large) series >WO-D series |
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 Well water River water Lake water |
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Ultrafilter membrane method Microfiltration membrane method Cartridge filtration method Multi-media sand filter method |
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Water purifiers MF/UF membrane treatment equipment Water purifier Check filter Multi-media sand filter |
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>MF/UF membrane equipments | ||
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Based on our rich performance data which we have been accumulating over many years, we can derive the optimum specifications/purpose regardless of the target, such as safe drinking water, daily life water, material water for beverages, and industrial water.
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| Desalination equipment |
SO-KQ-TR series SO-FI-RX series |
SO-FDI-RX series | |||
| Typical seawater |
Criteria for potable water |
Water quality | Safe drinking water |
Palatable water |
Purified water |
| Non-treated | - | Treatment method | RO treatment | TYPE20 | 2ND RO treatment |
| 19,300.0mg/l | <200.0 | Chloride | 121.2mg/l | 16.0mg/l | 4.7mg/l |
| 6.0mg/l | <10.0 | Organic substances, etc. | 0.3mg/l | <0.1mg/l | <0.1mg/l |
| 0.1mg/l | <0.3 | Total iron ion | TRACE | 0 | 0 |
| 0.2mg/l | <0.05 | Manganese | TRACE | 0 | 0 |
| 3,100.0mg/l | - | Sulfate ion | 13.0mg/l | <0.4mg/l | 0.4mg/l |
| 10,837.8mg/l | <200.0 | Sodium | 70.2mg/l | 4.8mg/l | 2.7mg/l |
| 400.0mg/l | - | Potassium | 3.4mg/l | <0.02mg/l | 0.2mg/l |
| 2.7mg/l | - | Silica | 0.1mg/l | <0.03mg/l | 0.03mg/l |
| 0.2mg/l | <0.8 | Fluorine | TRACE | - | TRACE |
| 440.0mg/l | <300.0 as CaCO3 |
Calcium ion | 1.8mg/l | 18.5mg/l | <0.1mg/l |
| 1,310.0mg/l | Magnesium ion | 5.8mg/l | <0.2mg/l | 0.2mg/l | |
| 150.0mg/l | - | Bicarbonate | 1.3mg/l | 7.5mg/l | 0.1mg/l |
| 8..3 | 5.8-8.6 | pH | 7.1 | 7.0 | 6.2 |
| 35,541.0mg/l | 500.0 or below | Total dissolved solids | 217.0mg/l | 38.6mg/l | 8.0mg/l |
| 5,860ms/m | - | Electrical conductivity | 40.5ms/m | 7.0ms/m | 1.5ms/m |
| 500.0 | 100 or below | General bacteria | 0 | 0 | 0 |
| Positive | Negative | Total coliforms | Negative | Negative | Negative |
| 4.0 | 2.0 or below | Turbidity | <1.0 | 0 | 0 |
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