RO-Membrane Desalination

BWRO-Membrane Desalination

Outline of the System

This desalination treatment system is to obtain pure water continuously by using Brackish Water Reverse Osmosis Membrane.

  1. Pretreatment Process
    Producing water suitable for RO membrane flow by combining the following treatments according to the property of the raw water.
    • Coagulating Sedimentation
      Removing hard constituents in the raw water to prevent scaling on RO membrane.
    • Sand Filter
      Removing suspended substances in the raw water to prevent physical damage to RO membrane.
    • Activated Carbon Filter
      Removing suspended substances in the raw water to prevent physical damage to RO membrane.
    • Chemical Injection
      Removing microbes in the raw water to prevent biological fouling on RO membrane.
  2. Safety Filter
    By using 1 - 5 micrometers filter, removing fine substances, which the pretreatment process failed to remove.
  3. BWRO Unit
    By rising pressure on the pretreated water to permeate through RO membrane, ion constituents are removed, producing permeate. Removed ion constituents are discharged to the concentrate side.

Features

  1. Capable of producing pure water with salinity concentration of 10 microsiemens/centimeter or less.
  2. Resistible to the loading variation of the raw water, thus capable of producing continuously and stably pure water.
  3. Simple process allows easy operation control.
  4. In normal operation, no regeneration processing is required, thus no regenerated effluent is generated.
  5. Because of desalination operation under low pressure, not much power is required, resulting in low running cost.
  6. System is compact, allowing space-saving installation.

SWRO-Membrane Desalination

Outline of the System

This desalination treatment system is to obtain continuously plain water from sea water by using Sea Water Reverse Osmosis Membrane.

  1. Pretreatment Process
    Removing impurities from sea water through sand filtration and / or chemical injection.
  2. Safety Filter
    By using 1 - 5 micrometer filter, removing fine substances, which the pretreatment process failed to remove.
  3. SWRO Unit
    By boosting the pretreated water to permeate through RO membrane, ion constituents are removed, producing permeate. Removed ion constituents are discharged to the concentrate side.

Features

  1. Allowing sea water to be used as drinking water or industrial water.
  2. Sea water needs to be fed into the RO Unit at high pressure, however, energy saving can be actualized by way of energy recovery by using SWRO concentrate.