Process and system for making a blended tobacco product

Details Process and system for making a blended tobacco product Process and system for making a blended tobacco product

1983-05-25

1986-01-28

Millin, V.

Tobacco

Tobacco treatment

Extraction of component, other than moisture, by contact...

131298, 131291, 131296, A24B 1524, A24B 1526

Patent

active

045664684

ABSTRACT:
A process and apparatus for producing a smoking tobacco having a low nitrate content includes at least one stage through which a tobacco having a relatively high nitrate content, for example burley tobacco, continuously passes for continuous nitrate removal by dissolution. In the nitrate removal stage, a solvent is added to, for example, the burley tobacco to form a slurry. The free solvent, including dissolved nitrates, is decanted from the slurry leaving saturated burley tobacco. The saturated burley tobacco is subjected to an expression pressure to remove a further amount of solvent and dissolved nitrates therefrom. After the burley tobacco leaves the nitrate removing stage, it is mixed with another tobacco, such as, for example, a flue-cured tobacco. The tobacco mixture is then expanded and dried to a moisture content suitable for use in a smoking article. In order to provide a continuous uniform quantity of the tobacco mixture to the expanding-drying step, the mixture is bulked upon leaving the mixing step.

REFERENCES:
patent: 3096773 (1963-07-01), Neukomm
patent: 3612066 (1971-10-01), Jones
patent: 4131118 (1978-12-01), Gellatly

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