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EQUIPMENT DATA - CONT - TM-10-4610-215-10_32
REVERSE OSMOSIS (R. O.) PROCESS

TM-10-4610-215-10 Water Purification Unit Reverse Osmosis 600 GPH Trailer Mounted Flatbed Cargo 5 Ton 4 Wheel Tandem Rowpu Model 600-1 Manual
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TM   10-4610-215-10 TM  08580A–10/1 a.  First  Stage  of  Filtration–Multimedia  Filter.  Before  raw  (untreated)  water  reaches  the  multimedia filter, polymer solution is added to it. Polymer collects suspended solids into groups large enough to be removed by the multimedia filter. This process is called coagulation. Water is then filtered through the multimedia filter. b.  Second  Stage  of  Filtration-Cartridge  Filter.  The  cartridge  filter  takes  out  finer  suspended  solids that pass through the multimedia filter. c. Reverse Osmosis (R.O.) Elements. The first two stages of filtering do not remove dissolved solids from the water. The R.O. elements, through the R.O. process, remove dissolved minerals and any suspended solids that may have passed through the filters. d.  Chlorine  Disinfection.  As  the  water  leaves  the  ROWPU,  chlorine  is  added  to  kill  any  bacteria present in the product water. At this point, the product water is stored for human consumption. 1–10. REVERSE OSMOSIS (R. O.) PROCESS. Reverse osmosis is the process by which purified water is separated from the available seawater or brackish water source. Pressure is applied to the salt water side of a semi– permeable membrane, and purified water diffuses through the membrane to the freshwater side. The 600 GPH ROWPU is arranged so that pre–filtered water is pumped under pressure across the semi–permeable membranes, called R.O. membranes. The R.O. membranes separate this water stream into a product water stream and a brine concentrate stream, both of which continuously flow away from the membranes. Figure   1-15.   Water   Processing   Block   Diagram 1–17







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