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Emission Analysis of Blended Pyrolysis Oil Derived from Waste HDPE and Coconut Shell in CI Engines.

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Title: Emission Analysis of Blended Pyrolysis Oil Derived from Waste HDPE and Coconut Shell in CI Engines.
Authors: Karthigairajan, M.1 m.karthigairajan@gmail.com, Senthur, N. S.2, Dineshkumar, S.1, Soundarya, M. K.3, Chan, Choon Kit4, Ganesh, M.5, Shengqi, Liu6
Source: International Journal of Vehicle Structures & Systems (IJVSS). 2026, Vol. 18 Issue 2, p219-224. 6p.
Subjects: High density polyethylene, Diesel motor exhaust gas, Waste products, Waste gases, Additives, Petroleum as fuel, Abatement (Atmospheric chemistry), Pyrolysis
Abstract: This research examines the emissions characteristics of Compression Ignition (CI) engines utilizing a blend of diesel fuel and pyrolysis oil derived from discarded high-density polyethylene (HDPE) and coconut shells. The emissions from the CI engine, encompassing hydrocarbons (HC), carbon dioxide (CO2), carbon monoxide (CO) and nitrogen oxides (NOx), were systematically analysed utilising an RS232 exhaust gas analyser in conjunction with a smoke meter. The findings pertaining to the engine performance under loading conditions of 30%, 60% and 90% were derived from the utilization of a fuel mixture comprising pyrolysis oil blend in the ratios of HDPE oil, coconut shell oil and diesel, specifically 5:5:90, 5:10:85, 10:5:85 and 10:10:80. The emissions profile exhibited variability contingent upon the pyrolysis blending ratios employed. The CI engine operating with a fuel blend of 5:10:85 demonstrated a reduction in NOx and HC emissions. Concurrently, the emissions of CO and CO2 were decreased with the 10:5:85 and 5:5:90 blends, respectively, when compared to 100% Diesel fuel. The optimal fuel blend comprising a ratio of 5:5:90, integrated with nano-additives, aims to mitigate emission behaviour associated with the automotive industry. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Vehicle Structures & Systems (IJVSS) is the property of Carbon Magics Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 192338284
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  Data: Emission Analysis of Blended Pyrolysis Oil Derived from Waste HDPE and Coconut Shell in CI Engines.
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  Data: <searchLink fieldCode="AR" term="%22Karthigairajan%2C+M%2E%22">Karthigairajan, M.</searchLink><relatesTo>1</relatesTo><i> m.karthigairajan@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Senthur%2C+N%2E+S%2E%22">Senthur, N. S.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Dineshkumar%2C+S%2E%22">Dineshkumar, S.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Soundarya%2C+M%2E+K%2E%22">Soundarya, M. K.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Chan%2C+Choon+Kit%22">Chan, Choon Kit</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Ganesh%2C+M%2E%22">Ganesh, M.</searchLink><relatesTo>5</relatesTo><br /><searchLink fieldCode="AR" term="%22Shengqi%2C+Liu%22">Shengqi, Liu</searchLink><relatesTo>6</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Vehicle+Structures+%26+Systems+%28IJVSS%29%22">International Journal of Vehicle Structures & Systems (IJVSS)</searchLink>. 2026, Vol. 18 Issue 2, p219-224. 6p.
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  Label: Subjects
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  Data: <searchLink fieldCode="DE" term="%22High+density+polyethylene%22">High density polyethylene</searchLink><br /><searchLink fieldCode="DE" term="%22Diesel+motor+exhaust+gas%22">Diesel motor exhaust gas</searchLink><br /><searchLink fieldCode="DE" term="%22Waste+products%22">Waste products</searchLink><br /><searchLink fieldCode="DE" term="%22Waste+gases%22">Waste gases</searchLink><br /><searchLink fieldCode="DE" term="%22Additives%22">Additives</searchLink><br /><searchLink fieldCode="DE" term="%22Petroleum+as+fuel%22">Petroleum as fuel</searchLink><br /><searchLink fieldCode="DE" term="%22Abatement+%28Atmospheric+chemistry%29%22">Abatement (Atmospheric chemistry)</searchLink><br /><searchLink fieldCode="DE" term="%22Pyrolysis%22">Pyrolysis</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This research examines the emissions characteristics of Compression Ignition (CI) engines utilizing a blend of diesel fuel and pyrolysis oil derived from discarded high-density polyethylene (HDPE) and coconut shells. The emissions from the CI engine, encompassing hydrocarbons (HC), carbon dioxide (CO2), carbon monoxide (CO) and nitrogen oxides (NOx), were systematically analysed utilising an RS232 exhaust gas analyser in conjunction with a smoke meter. The findings pertaining to the engine performance under loading conditions of 30%, 60% and 90% were derived from the utilization of a fuel mixture comprising pyrolysis oil blend in the ratios of HDPE oil, coconut shell oil and diesel, specifically 5:5:90, 5:10:85, 10:5:85 and 10:10:80. The emissions profile exhibited variability contingent upon the pyrolysis blending ratios employed. The CI engine operating with a fuel blend of 5:10:85 demonstrated a reduction in NOx and HC emissions. Concurrently, the emissions of CO and CO2 were decreased with the 10:5:85 and 5:5:90 blends, respectively, when compared to 100% Diesel fuel. The optimal fuel blend comprising a ratio of 5:5:90, integrated with nano-additives, aims to mitigate emission behaviour associated with the automotive industry. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Vehicle Structures & Systems (IJVSS) is the property of Carbon Magics Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.4273/ijvss.18.2.10
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      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 6
        StartPage: 219
    Subjects:
      – SubjectFull: High density polyethylene
        Type: general
      – SubjectFull: Diesel motor exhaust gas
        Type: general
      – SubjectFull: Waste products
        Type: general
      – SubjectFull: Waste gases
        Type: general
      – SubjectFull: Additives
        Type: general
      – SubjectFull: Petroleum as fuel
        Type: general
      – SubjectFull: Abatement (Atmospheric chemistry)
        Type: general
      – SubjectFull: Pyrolysis
        Type: general
    Titles:
      – TitleFull: Emission Analysis of Blended Pyrolysis Oil Derived from Waste HDPE and Coconut Shell in CI Engines.
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            NameFull: Karthigairajan, M.
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            NameFull: Senthur, N. S.
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            – D: 01
              M: 03
              Text: 2026
              Type: published
              Y: 2026
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