Drying pharmaceutical pellets etc, comprises feeding the material into an advancing pipe, heating and removing moisture released by passing a gas through the pipe

摘要

A process for drying pharmaceutical granules, pellets etc, comprises feeding the material into a rotating advancing pipe (1) through which a gas passes. The gas removes the moisture released when the material is heated. The pipe has an inlet (2) connected to an extruder (3), a gas outlet (7) and a material outlet (6).