The present invention relates to a recycling system (1) and to a method for operating a recycling system (1). The recycling system (1) consists of a clarification installation (2), which is assigned at least one means (3, 4) for recovering a secondary raw material. It is likewise the case that a control means (10) is assigned to the clarification installation (2) and/or the at least one means (3, 4) for recovering a secondary raw material, and therefore at least some of the secondary raw material can be fed in a controlled manner from the at least one means (3, 4), for energy-recovery purposes, to an energy region (2a) of the clarification installation (2). The clarification installation (2) consists of the energy region (2a), a clarification region (2b) and a ventilation region (2c).