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Environmental Science and Pollution Research

, Volume 26, Issue 10, pp 10319–10332 | Cite as

Investigation on the use of plastic pyrolysis oil as alternate fuel in a direct injection diesel engine with titanium oxide nanoadditive

  • Sachuthananthan BharathyEmail author
  • Balaji Gnanasikamani
  • Krupakaran Radhakrishnan Lawrence
Research Article

Abstract

The challenges in handling of waste plastics, shortage and price rise of petro fuels may be dealt by producing fuel from waste plastics. A trial has been attempted here to assess the change in properties of PPO (plastic pyrolysis oil) by blending with TiO2 nanoparticles and also to assess the power output and emission behaviour of a mono cylinder CI engine operating on PPO added with the above mentioned additive. Initially, the PPO was produced from the discarded waste plastics through the pyrolysis process by thermal cracking. Later, the nanoparticles were dispersed on mass fraction into the PPO using a binding agent with a homogenizer and ultrasonicator. Measurements were done to bring out the change in physiochemical properties of TiO2-added PPO. Tests were conducted on a diesel engine using diesel, PPO, PPO + 25 ppm TiO2, PPO + 50 ppm TiO2, PPO + 75 ppm TiO2 and PPO + 100 ppm TiO2 fuel samples. The output reveals that the brake thermal efficiency (BTE) of PPO with 50 ppm TiO2 sample combination increased by 2.1% when compared to neat PPO at maximum load situation. The CO, HC and smoke pollutants dropped considerably due to the blending of 50 ppm TiO2 to PPO when compared to the other fuel combinations.

Keywords

Plastic pyrolysis oil Additive Performance Emission investigation 

Abbreviations

TiO2

titanium dioxide

TNP

titanium oxide nanoparticle

EDAX

energy-dispersive analysis of X-rays

PPO

plastic pyrolysis oil

NOx

nitrogen oxides

UBHC

unburnt hydrocarbon

HC

hydrocarbon

CO2

carbon dioxide

CO

monoxide of carbon

BTE

brake thermal efficiency

BSFC

brake specific fuel consumption

PE

polyethylene

PVC

polyvinyl chloride

PP

polypropylene

PS

polystyerene

CI

compression ignition

SI

spark ignition

Al2O3

aluminium oxide

WPO

waste plastic oil

CuSO4

copper sulphate

BS

Bharat standard

PPM

parts per million

BSU

Bosch smoke unit

ASTM

American Society of Testing Materials

DICI

direct injection compression ignition

XRD

X-ray diffraction

HLB

hydrophilic liphophilic balance

SEM

scanning electron microscopic

CABTDC

crank angle before TDC

HRR

heat release rate

EGT

exhaust gas temperature

PME

pungam oil methyl ester

DI

direct injection

FESEM

field electron scanning electron microscopic

EDS

energy-dispersive spectroscopy

Notes

Acknowledgements

The authors extend their sincere thanks to the top office bearers of SVEC and SRMIST for extending us the necessary facilities to execute this investigation.

Funding

This project was not funded by any government, private, public or any other non-governmental organization.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflicts of interest.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Mechanical Engineering, Sree Vidyanikethan Engineering CollegeTirupatiIndia
  2. 2.Department of Mechanical EngineeringSRM Institute of Science and TechnologyChennaiIndia

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