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Application filed by Brown & Williamson TobaccofiledCriticalBrown & Williamson Tobacco
Priority to MX9604616ApriorityCriticalpatent/MX9604616A/en
Publication of MXPA96004616ApublicationCriticalpatent/MXPA96004616A/en
Publication of MX9604616ApublicationCriticalpatent/MX9604616A/en
The invention refers to a method to denitrify a tobacco stem material, wherein tobacco stem material is introduced into a first wrapping spot, guided through a solvent and extracted on a second spot from wrapping, whole method being implemented to an overpressure, and to an apparatus to implement method with elongated wrapping, approximately cylindrical, and at least a rotary feeding screw, said wrapping being configured hermetic to pressure and comprising sluices or nozzles to introduce and/or extract process fluids.
MX9604616A1996-10-071996-10-07Method and apparatus to denitrify a tobacco stem material.
MX9604616A
(en)
A method and plant for the continuous extraction from a woody material, of a tannic substance contained therein and for the production of a usable lignocellulosic material.