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Reverse Osmosis

Reverse Osmosis (RO) Water is a grade of water that has been subject to a purification process called reverse osmosis (RO). During reverse osmosis, potable water is passed through a semipermeable membrane, leaving behind ions, molecules and larger particles and producing pure water.

Potable water often undergoes a softening process prior to going through the RO membrane. The softening process reduces the hardness of potable water, by replacing calcium and magnesium ions with sodium ions. This will preserve the integrity of your RO membrane.

Reverse Osmosis does produce a relatively high reject rate and often, reject water is recirculated for further RO or can be used for alternative use rather than disappearing into the drain.

Two different flows are generated by the RO system: permeate water, corresponding to PW specification, and RO concentrate, which is recycled in the system in order to obtain a higher recovery with a lower consumption of inlet water. An additional devoted RO step might also be added to reduce the amount of concentrate water to be wasted.

Often a degassing module is installed after the RO system to remove unwanted gasses such as carbon dioxide, nitrogen and air. The requirements will depend on uses and the feedwater quality.

RO water is used for medical treatment applications such as dialyses and further water purification processes including, Ion Exchange Deionisation/Demineralisation (DI), Electro Deionisation (EDI/CEDI) and UV light treatment produce Purified Water, or Distillation or passing through secondary RO for producing WFI (Water For Injection)

Honeyman offer a range RO systems with a PERMEATE capacity spanning from 100 up to 20.000 lph, complying with cGMP and FDA regulations, including;

  • Centrifugal booster pump in AISI 316L stainless steel, Electronic pressure transducers automatically regulating the pump capacity
  • AISI 316L stainless steel membrane vessels
  • Sanitary in-line instrumentation to monitor product critical parameters, such as conductivity , temperature and pH.
  • Full automation managed through GAMP-compliant hardware and software
  • Framework and control board in AISI 304 stainless steel satin finished
  • CIP sanitization or HOT WATER sanitization

Whether your requirements are for a new RO system, an upgrade of your current system or would like to discuss the RO distribution loop replacement or installation, please contact us. 

Our team of quality water experts will be glad to discuss your needs and provide a suitable and workable solution for you.


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