Design Of Reactor For Plastic Recycling Through Pyrolysis Process

Muhammad Syafiq, M Radzali (2015) Design Of Reactor For Plastic Recycling Through Pyrolysis Process. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The design of reactor for plastic recycling through pyrolysis process is developed in this study. The main purpose of this study is to design a reactor that can be used for plastic recycling. The pyrolysis is a thermal degradation process in absolute absence of an oxidizing agent. This study enlightens the recycling of polymer which is polypropylene and polypropylene through pyrolysis process. The development 3D design of the reactor was using SolidWork 2013 software and has been analysed through two analyses by using ANSYS 15 software which are heat transfer analysis and thermal stress analysis. The highest temperature that has been detected on the design is 401.7oC and the lowest temperature was recorded was 26oC. For thermal stress analysis, the maximum equivalent stress of the design has been determined which the maximum stress is 208.84 MPa. The overall safety factor of the entire reactor design is 1.4844 for the minimum and 15 for the maximum. The design also has been fabricated by using conventional lathe machine and the performance of the prototype had being evaluated. The performance evaluation was conducted three times. The oily polypropylene condensed when the temperature of heating is 430oC and the mass of pure solid polypropylene that has been heated was 20g. The total condensed of polypropylene after two hours of heating is 6.7ml. However, the fuel turns back into solid state as the pyrolysis process may in premature. At the end of this paper will provide a design of prototype pyrolysis reactor that can be used in chemistry laboratory for academic purpose.

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