Reverse Osmosis Systems

Reverse Osmosis Systems

Standard Specifications

  • UPVC low pressure and high pressure line

  • AISI 304 Stainless steel high pressure pump

  • Electronic card based control panel

  • Conductivity analyzer (product water)

  • Inline water flowmeters (product water and concentrate water)

  • Prefilter inlet and outlet, pump outlet and concentrate line pressure gauges

  • FRP membrane pressure vessels

  • Chasssis material: Epoxy painted  ST37 carbon steel

  • Low pressure and high presssure switches

  • Pressure control valves (High presssure pump outlet and concentrate line)

Reverse osmosis technology is the most sensible filtration technology that is known. In Normal ‘Osmosis process,  liquid molecule transfer is realized from liquid phase of whose ion concentration is low  and divided with a semi-conductive film to high- liquid phase of whose ion concentration is high. Whereas in ‘Reverse Osmosis’ process, with the method of applying pressure that is higher from osmotic pressure into dense water phase, the transfer of water molecules from denser phase of water molecules towards less dense phase. What enables membrane  surface to remain constantly clean and without clogging is the ‘Cross Flow’ process that occurs in membrane surface. Thanks to cross flow, while some part of the liquid  (product water) passes through the membrane, some part of liquid (concentrate) acts in parallel to membrane surface, and abstains un-purity from sticking onto membrane.

During the process of reverse osmosis, pressure is need and this pressure is enabled via a pump. Information such as, n Number of membrane that reverse osmosis unit is going to contain, membrane type, pressure to be applied, recycle ratio can only be obtained via a very good analysis of raw material character. ROTATEK Reverse Osmosis Systems are manufactured under three main groups of RV Series, RH4 Series and R8 Series.

AISI 316 stainless steel high pressure pump

AISI 304 stainless steel RO chassis

AISI 304 stainless steel RO high pressure line

Temperature control (RO feed line)

pH analyzer (RO feed line)

Turbidity analyser (RO feed line)

Chlorine analyzer (RO feed line)

Raw water conductivity analyzer

4 - 20 mA digital control instruments

Brackish water design (Feed conductivity = 5.000 - 15.000 µS/cm) 

Permeate flush system

Automatic flush and CIP membrane cleaning system

  • Disc filtration

  • Multimedia filters

  • Activated carbon filters

  • Ultrafiltration

  • Water softening units

  • Chemical dosing systems

  • SMBS dosage

  • Acid dosage and pH regulation

  • Antiscalant dosage

  • Microfiltration

  • Ultraviolet disinfection

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