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Water Quality General Information and Definitions

[Water Impurities] [Charged & Non-Charged] [The Impact of Reverse Osmosis] [Impurities and Solubility] [Top of Page]


Water Impurities

[Water Impurities] [Charged & Non-Charged] [The Impact of Reverse Osmosis] [Impurities and Solubility] [Top of Page]


Charged & Non-Charged

CHARGED

  • Sodium

  • Calcium

  • Nitrate

NOT-CHARGED

  • Bacteria

  • Silica

  • Oil

[Water Impurities] [Charged & Non-Charged] [The Impact of Reverse Osmosis] [Impurities and Solubility] [Top of Page]


 The Impact of Reverse Osmosis

Before RO

TDS Present State-of-Art
  40,000
|
 
  30,000
|

Reverse Osmosis (Seawater)
  | Evaporators
  20,000
|
 
Evaporators
 
|
10,000
 
  9,000
|
 
  8,000
|
 
  7,000
|
Reverse Osmosis (Brackish)
  6,000
|
 
 
5,000
|
 

Electrodialysis
4,000
|
 
Evaporators
 
3,000
|
 
  2,000
|
Reverse Osmosis (Brackish)
Electrodialysis
 
1,000
|
 
Demineralizers |
|

  | Demineralizers

 

[Water Impurities] [Charged & Non-Charged] [The Impact of Reverse Osmosis] [Impurities and Solubility] [Top of Page]


 

Impurities and Solubility

  • Sodium Compounds:  Very Soluble (Sodium Chloride)

  • Calcium Compounds:  Very Low Solubility  
    Examples:  Hardness, Calcium Fluoride

  • Silica:  Low Solubility

  • Strontium Sulfate:  Low Solubility

  • Barium Sulfate:  Low Solubility

[Water Impurities] [Charged & Non-Charged] [The Impact of Reverse Osmosis] [Impurities and Solubility] [Top of Page]

 
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