Method for cleaning an interior of a washing column located at a packed bed with a liquid cleaning agent, comprises introducing the cleaning agent into the packed bed at feed points

摘要

The method for cleaning an interior of a washing column (1) located at a packed bed (10) with a liquid cleaning agent, comprises introducing the cleaning agent into the packed bed at feed points. The cleaning of the packed bed takes place during the operation of the washing column. An independent claim is included for a device for distributing a cleaning agent into a packed bed a washing column.