Effects of metal-organic framework nanoparticles on the combustion, performance, and emission characteristics of a diesel engine

Seyyed Hassan Hosseini, Hajar Rastegari, Mortaza Aghbashlo, Ali Hajiahmad, Homa Hosseinzadeh-Bandbafha, Pouya Mohammadi, Abdollah Jamal Sisi, Esmail Khalife, Su Shiung Lam, Junting Pan, Alireza Khataee and Meisam Tabatabaei

Energy, 2022, vol. 260, issue C

Abstract: This study was set to use metal-organic framework nanoparticles in diesel fuel formulation for the first time. Zeolitic imidazolate framework nanoparticles were synthesized using a green technique at room temperature, characterized using various characterization techniques, and used in a diesel-water emulsion fuel at two different concentrations (15 and 30 ppm). The prepared fuel blends were tested in a diesel engine at various loads (25–100% of full-load operation). The effects of fuel composition and engine load were assessed on the behavior of the engine. The combustion and performance parameters of nano-emulsion fuel blends were analogous to those observed for diesel. Nano-emulsion fuels resulted in significantly lower nitrogen oxide emissions than diesel at engine loads up to 75% of full-load operation. Nano-emulsion fuels also markedly outperformed diesel in terms of smoke emission at full-load operation. More specifically, nano-emulsion fuels could result in a significantly lower nitrogen oxide than diesel fuel, with an average reduction of about 15%. These findings were achieved with a slight penalty on the unburned hydrocarbon emissions. The encouraging results obtained in the current preliminary study can serve as an invaluable starting point for future studies to attain a more environmentally friendly diesel combustion process using MOF nanoparticles.

Keywords: Clean combustion; Diesel fuel formulation; Exhaust emissions; Metal-organic framework nanoparticles; Performance and combustion parameters (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:260:y:2022:i:c:s036054422201965x

DOI: 10.1016/j.energy.2022.125070

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