Re: [PSUBS-MAILIST] open source scrubber design

[Jon Wallace <jonw@psubs.org>]

It's been a while since I research recycling of the sodalime, but my 
recollection is that you can't get it back to 100% condition.  If the 
material is cheap enough, recycling may not be warranted from a 
financial perspective.

Jon

On 3/13/2011 8:26 PM, Marc de Piolenc wrote:
> I'm a bit surprised to see people writing about dumping used CO2 
> absorbent. Doesn't anybody regenerate theirs?
>
> When lye is exposed to atmosphere it is converted to the carbonate by 
> absorbtion of carbon dioxide, but heating it in an oven can regenerate 
> it by driving off the CO2 and reconverting to the hydroxide. Is that 
> not possible with the commercial compounds?
>
> Marc




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