IMPROVEMENTS RELATING TO THE REMOVAL OF SOLUBLE COMPONENTS FROM TOBACCO MATERIAL AND APPARATUS THEREFOR

摘要

A multi-stage tobacco extraction process for removal of soluble components from tobacco material, wherein the tobacco material is sequentially substantially submerged in a solvent within a series of extraction tanks, which tanks are each inclined at a negative angle to the horizontal. The present invention also provides extraction apparatus comprising a plurality of inclined extraction tanks.