System and method for starting of agitators in a sediment

There are provided a system and method for the controlled start-up of agitators in a sediment, the system comprising: a container for receiving materials to be processed; a Ruhrorganvorrichtung with Ruhrorganblattern for agitating the materials to be processed in the container; a flushing device; and means for driving agitators. The flushing device is arranged and adapted to apply a sediment formed means for flushing of the sediment. Further, a control is provided which causes a controlled reconnection of agitators after flushing.