Simulation of Waste Plastic Pyrolysis Process Using Aspen Hysys V9 Simulator under Steady State Operating Condition

In the present research paper incorporates the steady state simulation of waste plastic thermolysis
process and modelling for the conversion of hydrocarbon product from waste plastics such as
polyethylene (PE), polypropylene (PP) and polystyrene (PS) with the assistance of Aspen Hysys V9
simulator. This simulator was used to design the pyrolytic reactor model for waste plastic thermolysis
process. A Peng-Robinson thermodynamics model was employed as a fluid package of this
simulation work. The simulation process of plastic pyrolysis in the simulation environment, was taking
places into two stages such as i) A conversion of plastic wastes into vapour-liquid fraction (VLF) with
small amount of char-residue using conversion reactor (pyrolytic reactor) and ii) separation of
produced vapour-liquid fraction to pyro-gases and liquid-fuel with the aid of water tube condenser.
The obtained results demonstrated that, a conversion of polystyrene into liquid fuel is up to 88.7% has
been optimum value than other plastic wastes like polyethylene produced of 81.95% and
polypropylene produced of 83.54 %. The simulated model can provide an inspiration to the researcher
in knowing expected products and their individual component for better understanding and scale-up
studies.