Vol 7, No 6 (2016) > Chemical Engineering >

Effect of Bioethanol on Engine Performance and Exhaust Emissions of a Diesel Fuel Engine

Zulkifli Abdul Majid, Rahmat Mohsin, Noor Shawal Nasri


Abstract: Bioethanol is a renewable and oxygenated bio-based resource with the potential to reduce
particulate emissions in direct fuel injection diesel engines. This study aims
to further diminish the outflow of a Diesel Fuel Engine motor fueled by
diesel-bioethanol by identifying the most suitable blend by applying various
blends of diesel-bioethanol, namely E10, E20, E50, and E80 blends. The Diesel engine had been tested using solely diesel fuel and then with bioethanol blends
for comparison purposes. The results show that
bioethanol fuel can provide a lower torque for the Diesel engine, but a similar engine performance occurs in terms of Horse Power. However, the presence of
bioethanol inside the blended fuels increases the emissions of Unburned Hydrocarbon, (HC), CO, CO2, and NOx compared to
engines that use only Pure Diesel. E10 has been found as the most ideal blend
from all the fuels tested. Further research is required to distinguish the E80
fuel blend, as it is unable to be tested on a 6-cylinder engine, since
the standard running Diesel
engine suitable for the
E80 blend fuel is a
single cylinder.
Keywords: Bioethanol; Engine performed; Exhaust emissions; Diesel fuel emission

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