Improved method for the treatment of tobacco ribs and /or ribs.

摘要

An improved method for treating, preferably by the expansion treatment, the stems of tobacco and/or leaf veins (1) of tobacco, in particular those discarded by cigarette making machines,providing the sequence of the following steps: - a step (2) of moistening said stems and/or leaf veins (1) such that said stems and/or leaf veins (1) have a moisture at the end of said step, which is measured on moisture basis, ranging from 35 to 85% and a volume which is greater than the initial volume thereof before said moistening step (2), - at least one laminating step (4) of said previously moistened stems and/or leaf veins (1), such that the stems and/or the leaf veins have a thickness ranging from 0.07 to 1.7 mm at the end of the laminating, - at least one drying step (5) of said previously moistened and laminated stems and/or leaf veins (1), such that said stems and/or leaf veins (1) have a moisture ranging from 20 to 40% at the end of said step, and bcharacterized in that/b : - said at least one laminating step (4) is carried out immediately after said moistening step (2), - said at least one drying step (5) is carried out immediately after said at least one laminating step (4).