期刊
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
卷 27, 期 24, 页码 29703-29716出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s11356-019-06097-8
关键词
SCR; Nanoemulsions; NO(x)emissions; Biodiesel; Biomass; Grapeseed oil; Diesel engine
Stringent emission norms impose challenges to original equipment manufacturer (OEM) in reducing diesel engine emissions. Implementing renewable fuels as alternative energy sources in diesel engines leads to increased emission levels particularly NOx. In this work, performance, combustion, and emission parameters from a diesel engine powered with grapeseed oil biodiesel (GSBD) was investigated. Nano additive emulsions of cerium oxide (CeO2) and zinc oxide (ZnO) at 100 ppm each were added to grapeseed oil biodiesel. To enhance the NO(x)reduction task further, an advanced technology called selective catalytic reduction (SCR) system was used. With easy availability of aqueous urea, careful injection, and distribution of the reductant solution, a paradigm change was brought about in NO(x)reduction technology. The experiments were carried out with and without SCR for better understanding and investigation. The percentage reduction of NO(x)emission by adding cerium oxide and zinc oxide emulsion blends were 4.19% and 13.13%, respectively. The overall reduction in NO(x)emission were 74.16% and 80.06% with SCR for cerium oxide and zinc oxide emulsion blends. The research conclusions make grapeseed oil biodiesel conceivable as an effective alternate fuel for diesel engines without any engine modifications.
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