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A lot of my more experienced brewmaster friends have told me that using tunnel pasteurization is considerably more expensive than using flash pasteurization. Given the extra costs, what are the big benefits of using the tunnel method?


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Kinnek Knowledge Team

The tunnel method refers to a process in which a beverage is pasteurized after bottling has occurred in order to simultaneously remove pathogens from both the product and bottle. The flash method involves pasteurizing a large amount of the product before it is bottled. While it is true that the tunnel method typically costs more in terms of operation and space, it is more efficient at producing a beverage that is more consistent and loses less flavor in the pasteurization process. Furthermore, flash pasteurization requires additional costs in the form of quality assurance and sanitation, as these machines need to be constantly monitored in order to ensure sterile conditions. Many larger producers use the tunnel method, as it results in a more consistent flavor and a simpler process.

Nov 6, 2013

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Rick Hogan from PRO Engineering and Manufacturing, Inc.

Tunnel pasteurization is not necessarily more expensive than flash pasteurization now because our firm has designed and is manufacturing small to medium size tunnel pasteurizers that are much less in cost than the traditional large tunnel pasteurizers. Also, flash pasteurization requires that EVERYTHING downstream from the pasteurization point be ASEPTICALLY CLEAN. That means a lot of work! A tunnel pasteurizer pasteurizes your beverage in your sealed bottle.

Mar 25, 2016

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