Deaeration

Haemodialysis 6

 

Deaeration:

  • Water heated to physiologic temperatures is subjected to negative pressure to remove any air
  • Air in the water can interfere with dialysate flow and cause “air trapping”
  • Negative pressure is maintained by a closed loop composed of a pump, constricting valve, air trap and vent
  • Heating treated water to 85ºC followed by cooling prior to proportioning can also de-gas purified water
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