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- Title
A comprehensive review of stability enhancement strategies for metal nanoparticle additions to diesel/biodiesel and their methods of reducing pollutant.
- Authors
Chen, Yanhui; Zhang, Jian; Zhang, Zhiqing; Zhang, Bin; Hu, Jingyi; Zhong, Weihuang; Ye, Yanshuai
- Abstract
The low calorific value and poor atomization of biodiesel seriously hinder its application. The development of nanotechnology has led people to focus on using nanoparticles to improve the performance of biodiesel/diesel. Metal nanoparticles have a high surface volume ratio and good heat transfer properties, which can compensate for the poor performance of biodiesel. However, some conflicting results have been found in the literature. Therefore, this review aims to elucidate the effect of metal nanoparticle addition to biodiesel/diesel on engine performance and emission characteristics. The stability of the nanofluid is particularly important when applying metal nanoparticles. This paper provides a comprehensive overview of nanofluid preparation and stability enhancement strategies. Finally, the effects of nanoparticles on human health are also discussed. The results show that adding metal nanoparticles positively affects diesel engines' performance and emission characteristics. For stability studies, it was found that very few evaluations of the stabilization time of nanofluids have been conducted. In addition, further reduction of their effects on human health is needed before large-scale commercial use. All content has been carefully summarized with the aim of providing reference for future research directions. [Display omitted] • The preparation methods of metal nanoparticles and nanofluids are introduced. • Methods to improve the stability of nanofluids are summarized. • Observed that the use of metal nanoparticles can significantly improve engine performance and emissions. • The hazards of metal nanoparticles to human health are discussed.
- Subjects
NANOPARTICLES; METAL nanoparticles; DIESEL motor exhaust gas; NANOFLUIDS; POLLUTANTS; DIESEL fuels; BIODIESEL fuels; DIESEL motors
- Publication
Process Safety & Environmental Protection: Transactions of the Institution of Chemical Engineers Part B, 2024, Vol 183, p1258
- ISSN
0957-5820
- Publication type
Article
- DOI
10.1016/j.psep.2024.01.052