Journal
FUEL
Volume 332, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2022.126170
Keywords
Nanocatalyst; Waste cooking oil biodiesel; Oxidation stability; Cylinder pressure; Combustion efficiency
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In this study, the trans-esterification of used cooking oil biodiesel was catalyzed by nano zinc oxide particles with Tungsto phosphoric acid. The optimal reaction parameters were determined to achieve a maximum conversion rate of 94%. Synthetic biodiesel blends were used for engine testing and analysis, and their storage stability and fuel properties were evaluated. The addition of nano zinc oxide particles with Tungsto phosphoric acid decreased the peroxide values of biodiesel blends, leading to increased stability.
In this study, nano zinc oxide particles with Tungsto phosphoric acid is used to catalyse the trans-esterification of used cooking oil biodiesel. The trans-esterification reaction parameters were optimized based on the trials. After adjusting the reaction parameters, an optimal set of parameters was found, with a maximum conversion rate of 94 % of waste cooking oil to biodiesel. For engine testing and analysis, synthetic biodiesel is employed as a blend of B100, B20 and B10. The susceptibility to bio-deterioration was assessed by carrying out the studies on their storage stability. The fuel properties for prepared fuel blends are tested within the ASTM standards. XRD profile of the prepared additives shown the formation of ZnO Nano particles is evident. Increase in biodiesel concen-tration in the blend has increased the peroxide values. Nano zinc oxide particles with Tungsto phosphoric acid catalyzed biodiesel blends lowered the peroxide values hence increase in the stability.
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