The fluxes of energy supplied to the thermal plastic waste recycling system are shown on the left hand side of equation (1). As assumed in the design, the main flux of energy supplied to the system consists of plastic waste (E_ pw). The LCV of the supplied
waste is so high that the incineration is stable. Therefore, under the circumstances, there is no need for additional fuel (natural gas). The burning process is autothermal. The values of the physical en-
thalpies of air fluxes supplied to the combustion chambers (E_ amw-
cch) and the secondary (aftercombustion) chamber (E_ ag-dch) change
depending on the amount of air required for the correct incinera- tion of waste, the aftercombustion of generated gases and the