Journal
ENERGY REPORTS
Volume 5, Issue -, Pages 70-77Publisher
ELSEVIER
DOI: 10.1016/j.egyr.2018.11.004
Keywords
Bubble cap distillation; Condensate; Plastic; Polypropylene; Pyrolysis
Categories
Funding
- Institute of Education Fund Management (LPDP) of the Ministry of Finance
- Ministry of Research, Technology and Higher Education, the Republic of Indonesia through the education program of BUDI-DN (Beasiswa Unggulan Dosen Indonesia-Dalam Negeri)
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The objective of this paper is to optimise the liquid product of pyrolysis from as much as 500 g of polypropylene (PP) plastic waste, using a fixed bed type reactor in a vacuum condition (-3 mm H2O), to minimise the oxygen entering the reactor. The vapour flows through the 4-tray distillation bubble cap plate column for fractionation by utilising heat from the reactor. Process conditions at 500-650 degrees C and of 580 degrees C optimum liquid oil yield is 88 wt.%, comprising of kerosene in tray I with a volume of 350 ml, gasoline in tray II and III with a volume of 228 ml, and tray IV had no condensate. Gas yield is 5 wt.% and the rest is char. At the conditions between 500 degrees C and 560 degrees C, gasoline yield in 6-67 wt.% comprises of kerosene and gasoline. However, at process conditions between 600 degrees C and 650 degrees C yields of 64-83 wt.% comprising of diesel oil was obtained at tray I and II, while kerosene and gasoline were obtained in the next tray. The characteristics of fuel obtained from plastic such as density, viscosity, octane-cetane number, ash content and calorific value have similar properties with those of fossil fuels. (C) 2019 The Authors. Published by Elsevier Ltd.
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