Method and apparatus for removing contaminants from an alcoholic beverage
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United States of America Patent
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Issued Date -
Aug 23, 2007
app pub date -
Feb 6, 2007
filing date -
Feb 17, 2006
priority date (Note) -
Abandoned
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Abstract
A method of removing or reducing a component of a foodstuff is disclosed. One method utilizes an ion exchange resin configured with a strongly basic counter-ion such as a quaternary amine. The strongly basic anion may be exchanged with a second anionic group such as hydroxyl, or a weak acid anion such as bicarbonate, carbonate, acetate, phosphoric and carboxylate to create an ion exchange resin comprising substantially a second group functionality. Sulfite containing beverages such as wines, beers, whiskeys or non-alcoholic beverages may be contacted with the ion exchange resin having the second group functionality to entrain a substantial quantity of the sulfites in the ion exchange resin and reduce the sulfite level of the beverage.
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