Method and System for Treating Food Items with an Additive and Solid Carbon Dioxide
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United States of America Patent
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Apr 4, 2014
filing date -
May 21, 2009
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Abandoned
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Abstract
Embodiments of the invention generally provide methods and systems that distribute an additive in solid carbon dioxide in an interior of food processing equipment. The additive may be injected into a flow of liquid carbon dioxide upstream of an expander at or adjacent to the interior. Injection of the additive into the interior may be alternated with directing a flow of expanded carbon dioxide into the interior. In some embodiments, the freezing point of the additive with or without a diluent composition and/or additive(s) is lower than a temperature of the liquid carbon dioxide.
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