METHOD IN PROCESSING

摘要

Materials are removed from a processing structure e.g. vessel, pipe or combination of one or more vessels and/or pipes. A microwave signal to be propagated in processing structure is transmitted and received. The parameter value of received signal is compared with a reference value. The presence of any remaining material in processing structure or any geometrical change in processing structure is evaluated based on the comparison of values. Independent claims are also included for the following: (A) a method of monitoring the process of transporting an amount of material through a processing structure; (B) a processing device e.g. pharmaceutical processing device; and (C) a use of a processing vessel, or a pipe connected to a vessel.