Nitrogen atmospheres

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A - Human Necessities

23

L

A23L 3/34 (2006.01) A23L 3/3445 (2006.01) A61L 2/20 (2006.01) A61L 9/015 (2006.01) B01D 53/22 (2006.01) B01J 7/00 (2006.01) C01B 13/10 (2006.01) C01B 21/04 (2006.01)

Patent

CA 2087599

2087599 9204276 PCTABS00011 A nitrogen-based atmosphere which comprises a small amount of oxygen (0.05 to 10 % by volume) and trace amounts of ozone (1 to 500 vpm) finds application as an inerting gas with an inhibiting effect on spoilage mechanisms in the storage and processing of foodstuffs, beverages, chemicals and pharmaceuticals. The atmosphere is conveniently provided by ozonizing (in G) a dry oxygen-depleted air fraction from a membrane separator (S2).

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