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>Posted on 19 Mar 1996 at 04:12:48 by Rodney Nairne
>
>Re: [Q] Mechanical Scrubber designs

>John,
>    From my limited knowledge, by far the best system for
>removing CO2 from the loop is cryogenically. Don't ask
>me details how it works, but it freezes the CO2 out,
>leaving "snow". Another advantage is using the same system,
>O2 can be added to the loop predictably, by "boiling"
>off to maintain it's PO2. All this can be controlled with
>simple temp gauges, no solenoids or sensors are necessary.
>
>Oh, and something else, it works, and is used by commercial
>divers in the Nth Sea. They use it as a gas reclaim
>system.
>
>maybe someone with a good understanding of gases could explain
>how this system works?
>
>Regards Rod Nairne.
>
>--
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