Effect of Plasto-Oil Blended with Diesel Fuel on the Performance and Emission Characteristics of Partly Premixed Charge Compression Ignition Engines with and without Exhaust Gas Recirculation (EGR)

Krishna Moorthy Rajendran, Deepak Kumar, Bhawna Yadav Lamba, Praveen Kumar Ghodke, Amit Kumar Sharma, Leonidas Matsakas and Alok Patel ()
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Krishna Moorthy Rajendran: Centre for Alternate Energy Research, Department of Mechanical Engineering, School of Engineering, University of Petroleum and Energy Studies, Dehradun 248007, India
Deepak Kumar: Centre for Alternate Energy Research, Department of Mechanical Engineering, School of Engineering, University of Petroleum and Energy Studies, Dehradun 248007, India
Bhawna Yadav Lamba: Applied Sciences Clusters, School of Engineering, University of Petroleum and Energy Studies, Dehradun 248007, India
Praveen Kumar Ghodke: Department of Chemical Engineering, National Institute of Technology Calicut, Kozhikode 673601, India
Amit Kumar Sharma: Center for Alternate Energy Research (CAER), Department of Chemistry, Applied Sciences Clusters, University of Petroleum and Energy Studies (UPES), Dehradun 248007, India
Leonidas Matsakas: Biochemical Process Engineering, Division of Chemical Engineering, Department of Civil, Environmental, and Natural Resources Engineering, Luleå University of Technology, SE-971 87 Luleå, Sweden
Alok Patel: Biochemical Process Engineering, Division of Chemical Engineering, Department of Civil, Environmental, and Natural Resources Engineering, Luleå University of Technology, SE-971 87 Luleå, Sweden

Energies, 2023, vol. 16, issue 9, 1-15

Abstract: Municipal mixed plastic waste (MMPW) recycling is an innovative way to turn environmental waste into energy fuels. In the present study, a thermochemical process was applied to depolymerize MMPW to produce hydrocarbon fuels known as plasto-oil. The obtained plasto-oil was blended with conventional diesel to test the performance of the PCCI-mode single-cylinder, four-stroke, direct-injection diesel engine. The PCCI combustion mixture was tested with 15% and 30% fuel vapor to ensure homogeneity with and without exhaust gas recirculation. The modified engine findings were compared to a standard conventional engine. At higher loads, PCCI combustion showed reduced emission of carbon monoxide and nitrogen oxides. While the thermal braking efficiency was marginally reduced at all engine loads while using the blends. The results showed that with and without 10% exhaust gas recirculation, an increase in air mix reduced NO x emissions; however, in the case of smoke emissions, an opposite trend was observed. A blend of plasto-oils also decreased CO and unburned hydrocarbon (HC) emissions at higher loads. In conclusion, it was shown that plasto-oils combined with conventional diesel fuel outperformed diesel fuel alone.

Keywords: municipal mixed plastic waste; plasto-oil; diesel engine; thermal brake efficiency; PCCI (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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