not done it yet
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I would guess that rather than compressor improvements it was more likely developments in the molecular sieve material which led to better adsorption per unit volume of the media.
My oxycon is ex-medical - filters removed, for instance. I would expect any decent new oxycon, now, would be much superior to mine. Likely a smaller and more efficient unit with greater output.
But the maximum purity won’t have changed and I would not expect a change from nitrogen adsorption technology as nitrogen will have far less degradation on the media compared with a surface collecting oxygen at high concentration - purely from a chemical reactivity consideration.
My oxycon is ex-medical - filters removed, for instance. I would expect any decent new oxycon, now, would be much superior to mine. Likely a smaller and more efficient unit with greater output.
But the maximum purity won’t have changed and I would not expect a change from nitrogen adsorption technology as nitrogen will have far less degradation on the media compared with a surface collecting oxygen at high concentration - purely from a chemical reactivity consideration.
