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Mathematical Model of Absorption of Carbon Dioxide by Rescue Breathing Apparatus Scrubber
  • Published Date:
    1/1/1987
Filetype[PDF - 595.63 KB]


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  • Description:
    The Bureau of Mines developed a mathematical model for analysis of the impact of scrubber bed length, porosity, and gas flow rate on the absorption of C02 in a breathing apparatus. The model accounts for the decrease in available absorbent through chemical conversion. The pre-dicted efflux of C02 from a canister containing LiOR compared favorably with measured values reported elsewhere. It was determined from a com-putational study that the time for breakthrough of C02 at a prescribed level is nearly directly proportional to bed length and inversely pro-portional to gas flow and porosity.

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