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Pyrolysis of Polystyrene Waste in the Presence of Activated Carbon in Conventional and Microwave Heating Using Modified Thermocouple by R. Prathiba; M. Shruthi; Lima Rose Miranda is a Environmental Science article available to read on EtoBox.

What is Pyrolysis of Polystyrene Waste in the Presence of Activated Carbon in Conventional and Microwave Heating Using Modified Thermocouple about?

Pyrolysis process was experimented using two types of heating source, namely conventional and microwave. Polystyrene (PS) plastic waste was used as feedstock in a batch reactor for both the conventional (slow pyrolysis) and microwave pyrolysis. The effect of activated carbon to polystyrene ratio on (i) yield of oil, gas and residues (ii) reaction temperature (iii) reaction time were studied. Quality of oil from pyrolysis of polystyrene were assessed for the possible applicability in fuel production. Microwave power of 450 W and polymer to activated carbon ratio of 10:1, resulted in the highest oil yield of 93.04 wt.% with a higher heating value of 45 MJ kg À1 and a kinematic viscosity of 2.7 cSt. Microwave heating when compared to conventional heating method, exhibits a reaction temperature and time of 330 °C in 5.5 min, whereas in conventional heating system it was 418 °C in 60 min. The gas chromatography-mass spectrometry analysis of liquid oil from microwave pyrolysis predominantly yields alkenes of 8.44 wt.%, a-methyl styrene 0.96 wt.%, condensed ring aromatics 23.21 wt.% and benzene derivatives 26.77 wt.% when the polystyrene to activated carbon ratio was 10:1. Significant fac

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Author

R. Prathiba; M. Shruthi; Lima Rose Miranda

Published

2018

Language

EN

Field

Environmental Science (Physical Sciences)