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How Reverse Osmosis Water Purification Systems Work

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Reverse Osmosis is a process in which dissolved inorganic solids (such as salts) are removed from a solution (such as water). This is accomplished by household water pressure pushing the tap water through a semi permeable membrane. The membrane (which is about as thick as cellophane) allows only the water to pass through, not the impurities or contaminates. http://catalogs.indiamart.com/products/reverse-osmosis-systems.html

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How Reverse Osmosis Water Purification Systems Work

  1. 1. How Reverse Osmosis Water Purification Systems Work
  2. 2. http://catalogs.indiamart.com/
  3. 3. Reverse Osmosis* Reverse osmosis (RO) is a purification technology that uses a semi-permeable membrane. This membrane-technology is not properly afiltration method.* In RO, an applied pressure is used to overcome osmotic pressure, acolligative properties, that is driven by chemical potential, athermodynamic parameter.* RO can remove many types of molecules and ions from solutions andis used in both industrial processes and to produce potable water.* To be "selective," this membrane should not allow large molecules orions through the pores (holes), but should allow smaller components ofthe solution (such as the solvent) to pass freely.* Osmosis is a natural process. When two liquids of differentconcentration are separated by a semipermeable membrane, the fluidhas a tendency to move from low to high solute concentrations forchemical potential equilibrium.
  4. 4. Reverse Osmosis Water Purification Systems Work* Reverse Osmosis is a process in which dissolved inorganic solids(such as salts) are removed from a solution (such as water).* This is accomplished by household water pressure pushing thetap water through a semi permeable membrane.* The membrane (which is about as thick as cellophane) allowsonly the water to pass through, not the impurities or contaminates.* These impurities and contaminates are flushed down the drain.* Ultimately, the factors that affect the performance of a ro systemare: * Incoming water pressure * Water Temperature * Type and number of total dissolved solids (TDS) in the tapwater * The quality of the filters and membranes used in the RO System
  5. 5. What A Reverse Osmosis System RemoveA reverse osmosis membrane will remove impurities and particleslarger than .001 micronsA reverse osmosis membrane will remove impurities and particleslarger than .001 microns
  6. 6. Components Common To All RO System * Cold Water Line Valve * Pre-Filter (s) * Reverse Osmosis Membrane * Post filter (s) * Automatic Shut Off Valve (SOV) * Check Valve * Flow Restrictor * Storage Tank * Faucet * Drain line
  7. 7. RO ( Reverse Osmosis ) AccessoriesAutomatic Shut-off Valves Ball Valve Bracket Brass Ball Valve Check Valve Clamp Cut-Down Pressure Valve Faucet Adapter Flow Restrictors Liquid Level Control Switch Plastic Tube Pressure Switches Pump Systems Solenoid Valve Spanner Wrenches
  8. 8. Reverse Osmosis (RO) Applications * Reverse Osmosis (RO) Applications * Perchlorate Removal From Drinking Water * Nitrate Removal From Groundwater * Perchlorate Removal From Groundwater * Raw Water Pretreatment * Tertiary Wastewater Treatment
  9. 9. Thank You!http://catalogs.indiamart.com/

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