Rejection Characteristics Of Reverse Osmosis Membranes:

  • Sodium 85 - 94%
  • Sulfate 96 - 98%
  • Calcium 94 - 98%
  • Potassium 85 - 95%
  • Nitrate 60 – 75%
  • Iron 94 – 98%
  • Zinc 95 – 98%
  • Mercury 95 – 98%
  • Selenium 94 – 96%
  • Phosphate 96 – 98%
  • Lead 95 – 98%
  • Arsenic 92 – 96%
  • Magnesium 94 – 98%
  • Nickel 96 – 98%
  • Fluoride 85 - 92%
  • Manganese 94 – 98%
  • Cadmium 95 – 98%
  • Barium 95 – 98%
  • Cyanide 84 – 92%
  • Chloride 85 – 92%

    The removal percentage may vary based on membrane type, water pressure, water temperature and total dissolved solids.

    Activated carbon filtration that accompanies a reverse osmosis system will remove below:

  • Chlorine 99.9%
  • VOCs (volatile organic compounds) 99.9%
  • Trihalomethanes (byproducts of chlorination) 99.9%
  • Pharmaceuticals 99.9%

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