CLEANING WITH LIQUID CARBON DIOXIDE

摘要

The invention relates to a method for cleaning objects in a cleaning vessel using liquid carbon dioxide, wherein the cleaning vessel is at least partly filled with liquid carbon dioxide. Prior to and/or during the cleaning operation the pressure within said cleaning vessel is raised to a value above the corresponding vapour pressure. A gas other than carbon dioxide is introduced into said cleaning vessel and at least a portion of the cleaning operation is performed after the introduction of said gas.