| 摘要 |
<p>This invention refers to a method of increasing the volume of cut tobacco ribs by impregnating said tobacco ribs with an impregnating agent, which contains at least water, up to a water content of at least 45% by weight, heating the impregnated tobacco rib parts with a gaseous heating and transport medium containing steam and having a temperature of from approx, 105 to approx. 250.degree.C, said tobacco rib parts being transported through an expansion zone and a drying zone by means of a pneumatic transport system, In the case of said method the impregnated tobacco rib parts are kept in the expansion and drying zones for a period of at least approx, 10 seconds and are dried to a final moisture content of at least 12.5% by weight, The invention additionally refers to an apparatus for carrying out said method.</p> |
