Computer Aided Simulation of the Pyrolysis of Waste Lubricating Oil Using Aspen Hysys
Keywords:Pyrolysis, Simulation, Waste Lubricating oil
The pyrolysis of waste lubricating oil is an exciting technique of converting waste materials into useful products by thermal decomposition at elevated temperature under inert conditions. Aspen HYSYS 2006 was used to develop a computational steady-state model to simulate the pyrolysis of waste lubricating oil and analyze its performance. The Peng-Robinson fluid package was used for the simulation. The pyrolysis reaction was modeled by a combination of the yield-shift reactor and the Gibbs reactor. At a pyrolysis temperature of 3500C and atmospheric pressure, 77.92% liquid yield was obtained. The product composition and chemical properties of the pyrolysis oil were also predicted by the simulation and are in good agreement with experimental results. This has proved that pyrolysis of Waste lubricating oil can give a very good yield of liquid product and is a viable recycling technique.
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