Method and apparatus for denitrating tobacco stem material

Details Method and apparatus for denitrating tobacco stem material Method and apparatus for denitrating tobacco stem material

1996-09-12

1998-08-11

Millin, Vincent

Tobacco

Tobacco treatment

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

131298, A24B 1524

Patent

active

057913536

ABSTRACT:
The invention relates to a method of denitrating tobacco stem material in which the tobacco stem material is input at a first point in a housing, guided through a solvent and output at a second point from the housing, the complete method being implemented at an overpressure, and to an apparatus for implementing the method with an elongated, approximately cylindrical housing and at least one rotatable feeder screw, said housing being configured pressure-tight and comprising locks or nozzles or inputting and/or outputting process flows.

REFERENCES:
patent: 3575178 (1971-04-01), Stewart
patent: 5230354 (1993-07-01), Smith et al.
patent: 5360022 (1994-11-01), Newton et al.

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