Process of industrial ro plantraw water pump:-to generate the pressure for down the line system. pressure sand filter (psf):-the water is first filtered by pressure sand filter unit for removal of suspended matters and turbidity. activated carbon filter(acf):-to remove colour, odour, chlorine, oil & grease from the raw water. micron cartridge filter(mcf):-these are pressure vessels fitted internally with spun or pleated cartridge element which removes micron sized particles. antiscalant dosing system:-to prevent membrane from scaling (hardness). high pressure pump:-a high pressure pump is provided for supplying the feed water to ro system at high pressure of 10 - 12 kgcm2. desalination system by ro membrane element :-a reverse osmosis system rejects 90-95% of total dissolved solids (tds). storage of treated(pure) water:-to store treated (pure) water in tank.