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>Posted on 29 May 1996 at 03:43:50 by Carl Heinzl

>But, this is a steady state equation, what about during periods of
>peak activity and CO2 production?  Will it still remove ALL the CO2
>then?

This is my potentially incorrect view (I do not
have first hand experience with scrubbers) of the scrubber:


If the cannister is a circular tube filled with "large surface
area" absorbent material with the CO2 rich gas entering on
say the bottom you'll see spent material on the bottom,
than an active scrubber "ring" moving upwards and then
above the currently active region, the unspent scrubber material.

It seems to me that if this view is correct then to a
first approximation the length of the active region
stays about the same but the speed at which it moves
upwards depends on the rate at which CO2 is removed.

And if correct, the residual amount of CO2 at the
exit port stays very small until the active
region approaches the end of the tube.  Nor does
the efficiency of the scrubber depend on it's history
but rather how much active material is left.

Again, I claim no first hand knowledge in these matters.

John

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