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Alcohol-Free Products
I figured modern NA beers were Vacuum distilled to remove the alcohol, but was reading it’s a combination of high mash temps, low mash bills, and low attenuating yeast, and finally passing it through something like this, https://www.alfalaval.us/products/separation/membranes/membrane-filtration-systems/lowal-de-alcoholizer/ . Wondering if this kind of equipment would have any application in the distilling industry. Still don’t really understand how it functions beyond being an “alcohol filter”. Has anyone ever used or seen one in use?
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So our sister company is a brewery, and just starting in NA beer, like just ran the first test batch. They made no changes to their base beer, and just sent it thru the membrane filter. Their particular unit basically makes a concentrated “syrup” that is reconstituted with water for the NA beer, and the byproduct is a water and alcohol solution. That will eventually end up coming to the distillery for distillation, hopefully cleaning up enough to become our GNS feedstock for our RTDs. Interestingly when calling the TTB with lots of questions regarding bringing over the alcohol to be distilled, they explained that the entire process is actually under the distillery license. This is all my business partners deal (owner of the brewery) and I don’t have much more information than that currently, but happy to add what I can as that venture progresses
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@Brewstilla Interesting. Wonder how NA breweries are legally “distilling” if they aren’t partnered with a distillery. The membranes must not impart any flavor to the beer, so I’d be surprised id they did to the water/alcohol solution. What is the typical proof of the “byproduct”. Hope it works out for you. sounds super interesting.
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You know, I’m not actually sure, it was mentioned by my partner in passing “apparently this is done under the distillery license” I will ask him more about it. Maybe he was just referring to the part of utilizing the “byproduct alcohol” in the distillery. They did a Kolsch and a session ipa so far. The alcohol from the kolsch was pretty neutral, the session had more hop character that i anticipated. could just be the working out of the system. the alcohol was slightly higher than that of the starting beer, as the system they have makes a concentrate that is reconstituted with water as na beer
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