London-based microbrewery first in Ontario to recycle CO2 in brewing process
“All this carbon dioxide is emitted during fermentation [but] then we later have to bring in more carbon dioxide for transferring the beer and for carbonating it later in the process,” said Gavin Anderson, president of Anderson Craft Ales.
“Before this technology, there was no way for a small brewery like us to capture it and purify it and reuse our own CO2,” Anderson said. “I’ve been keeping an eye on this since we opened because it’s something that I’ve always been interested in.” Its newest piece of equipment, which is slightly larger than a refrigerator, is specifically designed for small breweries by Texas-based Earthly Labs.“The CO2 that we need to use is at least food grade, which is 99.99 per cent,” he said. “This machine is supposed to purify it 99.999 per cent, so there should be no problems. But if something happens there, then you could get some kind of odd flavours and things, but I don’t anticipate that happening.
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