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Converting waste plastic bags into sustainable fuel: enhancements in diesel engine performance and combustion using pyrolysis oil enriched with graphene oxide and HHO
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DOI：10.1007/s10973-026-15814-8.png)
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Abstract
En 中文
Pyrolysis was used to convert used plastic bags into oil. The fuel’s properties were enhanced by blending 20% pure diesel with pyrolysis oil. This oil mixture was supplemented with 25, 50 and 100 ppm of graphene oxide (GO). Water was electrolyzed at 0.7 litre per minute using an alkaline electrolyzer to produce oxyhydrogen gas (HHO). Tests with load fluctuation at fixed speed of 3000 rpm indicated that GO doses (PO20GO25, PO20GO50, and PO20GO100) achieved the decreases in specific fuel consumption by 10, 11 and 14%, and enhanced thermal efficiency by 11, 12 and 13% when HHO was added to pyrolysis oil blends. When oil was combined with oyxhydrogen, the introduction of GO of 25, 50, and 100 ppm resulted in declines in CO concentrations of 15, 19 and 22%, respectively, related to PO20. For PO20GO25 + HHO, PO20GO50 + HHO, and PO20GO100 + HHO, there were notable reductions in smoke concentrations by 25, 29 and 32%, along with HC emissions decreasing by 27, 30 and 35%. The declines in NOx concentrations were 19, 22 and 26%, respectively, when HHO was added to the oil mixture with nano additions of 25, 50, and 100 mg/litre. Heat release rate and cylinder pressure were improved for oil mixtures containing HHO and nanoparticles. Engine performance and combustion were enhanced, ,and exhaust emissions were reduced by using pyrolysis oil produced from waste plastic bags, supplemented with 100 ppm GO and HHO.
Keywords:
Waste plastic bags
Graphene oxide
Hydroxy
Engine performance
Emissions
Combustion
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