Bob asked in an earlier post about whether it is possible to reclaim the carbon dioxide from the fermentaion process.
I beleive that the German brewers are not allowed to use any carbon dioxide not produced in the brewery - so they know how to do it.
Recall, but can't locate, an article about Alaskan Brewing in Juneau, AK. As memory serves, they are recovering CO2 from fermentation for use in carbonation of their beers, for resale, as well as creating dry ice for resale...
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