RO plant

Reverse Osmosis Plant


Reverse Osmosis Plant


With a semipermeable membrane, you can safely and economically purify domestic & industrial water

A reverse osmosis (RO) system uses a membrane to remove dissolved solids and ions from solutions. When solution is on one side of a membrane, pressure is applied to remove these dissolved solids and ions. Therefore, the solute is retained on the pressurized side of the membrane, while the pure solvent passes through. For reverse osmosis, the polymer matrix in the membrane has a dense layer where separation is most effective. The technology improves the quality and safety of water for domestic as well as for the industrial purposes. The need to dispose treated effluent to such an extent that it can be recycled and then reused back in the process grows urgent as waste disposal rules become more stringent. In most cases, an RO plant requires pre-treatment to prevent membrane fouling/scaling due to sediments, hardness, organic matter, bacteria, silica, or metal oxides.

How RO Plant work

  • Besides the RO membrane, every RO Water Plant contains a sediment filter and a carbon filter. These filters can be referred as prefilters or postfilters.
  • Usually, pre-filtration involvesa carbon filter and sediment filter to remove suspended impurities,color, odour and free chlorine that could clog or harm the RO membrane
  • The RO membranes are protected from scaling and fouling with antiscalant chemicals. Scale may consist of mineral fouling such as calcium sulfate, calcium carbonate, barium sulphate, silica, calcium fluoride, and strontium sulphate. The Antiscalant dosing should be done before reaching the RO membranes to break up sulphate precipitates, calcium carbonate, and other mineral fouling.
  • Micron filters are installed ahead of a reverse osmosis system to remove particles that could clog up membranes and deteriorate performance
  • In order for Reverse Osmosis to take place, the feed pressure of water needs to be raised. For this purpose a centrifugal high pressure pump is provided.
  • The semi permeable membranes in the RO units removes up to 98% of total dissolved solids (TDS)

Benefits of RO

  • Remove pollutants like lead, pesticides, fluoride, pharmaceuticals, arsenic and much more
  • Produce high-quality water. There are nohazardous chemicals required.
  • More efficient
  • Cost effective
  • Environmental friendly
  • Low maintenance


Industries where RO can be used in?

  • Pharmaceutical
  • Boiler feed water
  • Food and beverage
  • Metal finishing
  • Semiconductor manufacturing
  • Lumber/pulp industries
  • Dairy industry
  • Agriculture

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