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Experimental evaluation of a diesel engine fuelled by pyrolysis oils produced from low-density polyethylene and ethylene-vinyl acetate plastics

Kalargaris, Ioannis, Tian, Guohong and Gu, Sai (2017) Experimental evaluation of a diesel engine fuelled by pyrolysis oils produced from low-density polyethylene and ethylene-vinyl acetate plastics Fuel Processing Technology, 161. pp. 125-131.

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Abstract

Depletion of oil resources and increase in energy demand have driven the researchers to seek ways to convert the waste products into high quality oils that could replace fossil fuels. Plastic waste is in abundance and can be converted into high quality oil through the pyrolysis process. In this study, pyrolysis oils were produced from polyethylene (LDPE700), the most common used plastic, and ethylene-vinyl acetate (EVA900) at pyrolysis temperatures of 700oC and 900oC respectively. The oils were then tested in a four cylinder diesel engine, and the performance, combustion and emission characteristics were analysed in comparison with mineral diesel. It was found that the engine could operate on both oils without the addition of diesel. LDPE700 exhibited almost identical combustion characteristics and brake thermal e ciency to that of diesel operation, with lower NOX, CO and CO2 emissions but higher unburned hydrocarbons (UHC). On the contrary, EVA900 presented longer ignition delay period, lower e ciency (1.5–2%), higher NOX and UHC emissions and lower CO and CO2 in comparison to diesel. The addition of diesel to the EVA900 did not significantly improve the overall engine performance.

Item Type: Article
Subjects : Chemical & Process Engineering
Divisions : Faculty of Engineering and Physical Sciences > Chemical and Process Engineering
Authors :
NameEmailORCID
Kalargaris, Ioannisi.kalargaris@surrey.ac.ukUNSPECIFIED
Tian, Guohongg.tian@surrey.ac.ukUNSPECIFIED
Gu, Saisai.gu@surrey.ac.ukUNSPECIFIED
Date : 22 March 2017
Identification Number : 10.1016/j.fuproc.2017.03.014
Copyright Disclaimer : © 2017 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
Uncontrolled Keywords : Diesel engine; Combustion; Emissions; Pyrolysis; Oil; Polyethylene
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 15 Mar 2017 09:02
Last Modified : 05 Jul 2017 11:10
URI: http://epubs.surrey.ac.uk/id/eprint/813779

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