Process for expanding tobacco with water

A - Human Necessities – 24 – B

Patent

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131/87

A24B 1/00 (2006.01)

Patent

CA 1204359

ABSTRACT A method is disclosed for expanding tobacco in which tobacco, containing at least 15% moisture by weight, is heated by a stream of gas, the temperature of said gas being from about 300°F to about 800°F, such that relative velocity between said gas and said tobacco particles is from about 15 ft/sec to about 150 ft/sec, over substantially the entire residence of the tobacco in said gas stream. Preferably the tobacco is exposed to the gas stream for a period of about 0.5 to about 6.0 seconds, and the gas includes steam with a dewpoint of at least 180°F.

419229

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