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Published in: Journal of Material Cycles and Waste Management 2/2020

28-11-2019 | ORIGINAL ARTICLE

Thermochemical conversion of waste engine oil (WEO) to gasoline-rich crude oil

Authors: Nivedita Patel, Krushna Prasad Shadangi

Published in: Journal of Material Cycles and Waste Management | Issue 2/2020

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Abstract

Thermolysis of Waste Engine oil (WEO) was performed in a semi-batch reactor in the temperature range of 450–575 °C. The highest yield of pyrolytic oil was obtained (76.73%) at 550 °C temperature. The comparative study between the thermogravimetric analysis (TGA) and pyrolysis experiment disclosed that the conversion of WEO was 99.34% in TGA and 98.23% in pyrolysis experiment. The fuel properties such as density (795 g cc−1), calorific value (42.40 MJ kg−1), and flash point (33 °C) of the pyrolytic oil were less compared to petrol. The decrease in the concentration of Ca, Fe, Mg, Ni, Pb, As, Mn, Zn, and Cu in the pyrolytic oil compared to WEO was perceived. The transformation in the chemical compositions in the pyrolytic oil during the course of pyrolysis was noticed. The pyrolytic oil had a composition of 38% aromatics, 32.97% alkanes, 7.97% cyclo-alkanes, 11.9% alkenes, and 4.78% poly-aromatic hydrocarbons compounds was lower than that of WEO. The WEO pyrolytic oil was containing 65% of gasoline ranged hydrocarbon compounds (C9–C12) along with 24.53% of kerosene (C11–C15), 7.47% of diesel (C15–C19), and 15.32% of heavy fuel oil (˃ C19).

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Metadata
Title
Thermochemical conversion of waste engine oil (WEO) to gasoline-rich crude oil
Authors
Nivedita Patel
Krushna Prasad Shadangi
Publication date
28-11-2019
Publisher
Springer Japan
Published in
Journal of Material Cycles and Waste Management / Issue 2/2020
Print ISSN: 1438-4957
Electronic ISSN: 1611-8227
DOI
https://doi.org/10.1007/s10163-019-00948-9

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