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Oxygen Breathing Apparatus
An Oxygen Breathing Apparatus or OBA is a rebreather. It is used primarily in firefighting. Its oxygen is generated by chemicals contained in the green canister, which is inserted at the base of the breathing device. [1] The canister uses potassium superoxide as both a CO2 scrubber and an O2 generator. A sodium chlorate candle in the base generates additional oxygen when first beginning use. [2] Additional recommended knowledgeAs of early 2001, the US Navy has been replacing the OBA for firefighting with the SCBA. The SCBA is more cost-effective than the OBA, and also does not produce hazardous waste, a problem with the chemical oxygen generation system. [3] References
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Oxygen_Breathing_Apparatus". A list of authors is available in Wikipedia. |