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Metin Öner-Safir Ozon Techn. Production Marketing

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Reverse Osmosis

Reverse Osmosis

Reverse Osmosis (Reverse Osmosis System - Reverse Osmosis System) technique is applied if a solution is not provided with known conventional water purification devices. In general, Reverse Osmosis technique is used for the treatment of sea water, medium salt water, low salt water, brackish well water, water with very high hardness and conductivity. Reverse Osmosis System is today's most advanced method used to purify all unwanted minerals in water.

The working principle of the Reverse Osmosis system is the separation of the concentrated (concentrated) solution and the dilute solution with a semi-permeable membrane. Membrane; A selective barrier separating the two phases serves as the Working Principle of the Reverse Osmosis System.

Thanks to the semi-permeable properties of the membranes, the passage of water is easier than the passage of dissolved minerals. Membranes, in terms of their physical and chemical structures, are used to separate ions from water, which contains unwanted ions, generally salt ions.

Transition from Reverse Osmosis Membrane

Reverse Osmosis in Reverse Osmosis Systems - The development of the reverse osmosis technique was based on the balance principle found in nature. The direction of the fluid, which consists of the osmotic pressure between two solutions of different concentrations, separated by a semi-permeable membrane; It is reversed by applying a pressure higher than the osmotic pressure to the solution side with a higher concentration.

In order to use the membranes in Reverse Osmosis systems longer and more efficiently, the fluid is given parallel to the membrane surface. In this way, it is ensured that the particles are thrown out without causing clogging on the membrane surface. In addition, a very good pre-filtration is required to protect the membranes.

While designing the membranes, the arrangement of the membranes and the structure of the water must be determined very well. Technical competence and an expert staff are needed for membrane array and equipment. For this reason, there are hundreds of Reverse Osmosis Systems in the market that cannot work due to wrong design Reverse Osmosis System Flow Direction and applications.

Display of RO Membrane Layers

Considerations for Efficient and Long-lasting Operation of Membranes Used in Reverse Osmosis Systems;

  1. A very good pre-treatment before the membrane,
  2. Adjusting the temperature value of the water,
  3. Membrane design according to membrane feature,
  4. Choosing the appropriate antiscalant,
  5. Avoiding chemicals that will damage the structure of the membranes when chemical washing of the membranes is to be done,
  6. Since the membranes are sensitive to the skin, no chemicals that harm the skin should be used.

Reverse Osmosis System Classification

  1. Top Water (TDS Value <1000 Ppm)
  2. Brakish Water (TDS Value 2000-10000 Ppm)
  3. Sea Water (TDS Value 10000-36000 Ppm)
  4. Single Pass
  5. Double Pass
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