Unpressurized High Density Oxygen Storage with Hydrogen Peroxide
Closed circuit breathing apparatus (CCBA, rebreather systems) where exhaled CO2 is removed and con-sumed oxygen replaced, offer much longer working times on a single gas charge than open circuit ones (SCBA). This is achieved through the use of high pressure compressed oxygen. When CCBA units are used in conflict areas this requires the regular delivery of hazardous cargo (high pressure oxygen, 3,000 psi) into combat areas. Clearly a means of supplying oxygen without this hazard is desirable. This can be accomplished using a solution of hydrogen peroxide as the oxygen source. A liter concen-trated hydrogen peroxide at ambient pressure can be decomposed to produce the same amount of oxy-gen as contained in a one liter cylinder at high pressure. With the right catalyst the decomposition can be carried out at any temperature where the solution is liquid. Lynntech has developed oxygen supplies based on hydrogen peroxide decomposition that start immediately, can be throttled over the full range from off to full flow and can be repeatedly cycled for extended operating times. The ability to shut down oxygen production and restart it offers distinct advantages over other oxygen generators by letting the system supply oxygen the like a compressed gas cylinder.
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TX College Station, TX 77845-6023
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